While Striking a Match With a Bullet, These Weird Things Happened- Smarter Every Day 294B 

An alternative hypothesis to powder escaping around the bullet would be that it's powder residue in the barrel from previous shots. Test this hypothesis by thoroughly cleaning the barrel, take a shot, and see if you still observe the specks preceding the bullet.

German gunsmith here - the non burned powder is always faster than the bullet it self and it sometimes even slips between the height difference of the rifling. Because the bullet does not fill the whole barrel in the diameter. hope it's understandable.

That bullet pushing the match looks so ridiculous like it was a Monty Python sketch. It was like I could hear the laugh track playing as the match floated across the screen. 😂

So could we say that you’re using match-grade ammunition? 😂

That shot of the bullet "carrying" the match is ridiculous 😂😂

The match on the bullet was quite amazing. When I was a kid I shot wooden matches from my air rifle. So I learned that if you hit a concrete wall the match will instantly stick to the concrete and ignite, holding the match in place. Try it on the high speed camera.

"You can science-words this all you want" is my new favorite phrase

The best part of the video was seeing two friends having fun.

Hi Destin. Smokeless powder just doesn't burn efficiently at the low pressures of 22 short subsonic ammo. Powder might be jumping the gap, but I suspect you will find flakes of unburned powder in the bore AFTER the bullet leaves. When the bullet leaves the bore, the pressure drop can cause partially burnt flakes to stop burning and you get unburned and partially burned powder grains downrange. I have observed these laying on the snow when testing subsonic handloads.

That frame of a bullet pushing a match by another match would be a great tee-shirt. not to mention conversation-starter...

Another awesome video! I work at Remington in Arkansas, it looked like you were shooting CCI rounds which is one of our sister companies. If you ever want to do another manufacturing deep dive I would love to set you up with a tour of our facility!

I giggled waaayyyyy too much at the bullet carrying the match. 😂😂 Almost as much as Destin gets soooo excited at science stuff. Never stop being excited Destin, there's one Brit here that thrives off it. 😊

Everyone has a 10/22…..**slowly looks over to my 10/22** 😂

G'day, My father used to do a bit of small-town gunsmithing, after retiring from Engine Reconditioning..., and he often had people bring in old .22" Rifles chambered for the Long Rifle Ammunition, which had become progressively more likely to suffer failed extractions, torn Rims, and broken Extractors...; after someone had, at some point, used the weapon to do what you did - and fired .22" Short Rifle Ammunition through it - and the Hot Gasses would erode Pits in the Chamber, and if put away dirty - particularly in the days of Corrosive Primers..., the Eroded Pits then Corroded into Craters. And then, when later attempting to fire the Correct Ammunition, the longer Brass Cases, covered the Dings in the Chamber Wall ; and on firing the Brass would be "Fire-Formed" by the internal Pressure, into expanding into the Craters and locking the Case Into place. Once he removed the old dead Case, the Old Man would clean the Chamber and heat it up, gently with a Torch burning Propane, and after putting a hardwood Rod in the Barrel as a Tinker's Dam, he'd fill the Chamber with Silver Solder, wait till that cooled - and then re-drill the blocked Chamber, and Ream it back to meet the Specified size - but with all the pesky Craters successfully Backfilled... I hope you cleaned your Ruger afterwards...(?) ! But, if you didn't, and if it later presents with Sticky Breech Syndrome ; At least you'll start out knowing what'll be afoot, and how to rectify the problem. Such is life, Have a good one... Stay safe. ;-p Ciao !

It's so crazy man! I still don't understand how the wind resistance didn't fold the match back and break it loose from the bullet. Also, the fact that you tried this ONE time at the very end of the night without even trying to make it happen is so awesome. What were the odds!?

3:47 What you have to remember is that, while the bullet is traveling horizontally, the contact surface of the bullet is moving downwards with respect to the match head. The edge of the bullet is effectively smacking downward on the match when it achieves contact.

Terrific video as always! After 33 years of teaching physics/chemistry in H.S., I will be retiring this May. I will miss showing your videos to my classes year after year!! On a side note, 12 years ago when you were starting your SED series, but before it exploded in popularity, you were the only person to comment on a video I posted of a demo involving the phase change of an iron crystal lattice. My demo sucked, by the way, but I found another one by Scott Milam entitled, "Solid Iron to Solid Iron Phase Change", that shows the expanding/contracting phenomenon better than mine. Anyway, keep up the good work.

You can't watch this, and the main channel, without learning so, so much, and it's so amazing to know we're all learning together. But the thing that makes it perfect for me is the genuine joy you not only have, but also show, when you're sharing all the wonderful things you've learned with us. Thanks so much for helping us all grow smarter every day ❤

22 short and 22LR both use a heeled bullet, so the exposed portion of the projectile is the same diameter as the O.D. of the case (rather then the I.D.). As such, the bullet should provide a reasonable gas seal even before clearing the chamber area. maybe the powder getting there first is unburnt powder from previous shots being forced out by the compressing column of air in front of the projectile in the barrel.

That first shot of the rolling shutter match is a classic example shown in (numerical+analytical) PDE courses. You effectively showed a string (the match), shaken by a hand (the bullet), while fixed against a wall (the match holder). Your image was a freeze frame of the 1D wave equation with a Neumann boundary condition where the bullet hit the match and a Dirichlet boundary condition where the match is fixed against the holder. Great stuff.

regarding 10:18, is the hole in the cardboard big enough for the match to pass through angled like that, or do you think the angling happened as the match scraped the hole? I think the match was caught in the hollow point of the bullet and as it passed the hole, the match grazed the side of the hole, splintered, and the result is what we saw.

I'd love to see you sand down the match so it fits into the hollow point of the bullet and see what happens.

The splinter of the match stuck in the hollow point and carrying the match along was incredible!

Just wanted to express some gratitude for the second channel content. It's great to see it as a unique addition rather than a duplicate of the main channel video with some extra bits. It feels like a special behind-the-scenes experience, and I'm loving the fresh perspective. Keep up the fantastic work and looking forward to more awesome content!

The shot that surprised me was the 1st time you lit a match, when the last 2 in a row of 6 fired. The surprising part was how much the simple little matches deflected the bullet path.

I love it when Destin can one-up the Mythbusters.

I absolutely loved you leveling with me (a long time viewer) in the main vid Destin. Brought this farm boy's son to tears honestly. I suppose you an John need to go on a match shooting adventure ten years from now :)

The last shot on the video is a perfect example of probability. The chance of the match doing what it did is exceedingly small, but if the circumstances are just right, sometimes VERY strange things can happen. It demonstrates that improobable is not the same as impossible.

The burn efficiency of smokeless powder is very much tied to the pressure under which it burns. Since the 40's the firearms industry has thrived on the 'magnum' marketing concept, but the reality is that most popular cartridges are oversized to make use of all the powder given the usual desired projectiles, and a substantial portion of the powder flies unburned out of the barrel. Subsonic load are particularly affected, since limited velocity is the constraint. Some factors that adjust this include powder burn rate, charge weight, bullet movement initiation pressure (controlled partially by the seating depth you indicated), bullet characteristics (weight, bearing surface, etc), barrel length, and even priming compounds. An internal ballistics program like (like QL or GRT) can show the overall efficiency as part of the percentage of powder burned. In general, peak accuracy happens at peak efficiency -- somewhere around the 31-32% mark. That has been the hallmark of cartridges like the 6mmPPC - the reigning champ of the Benchrest world

The match being pushed by the bullet is such a crazy optical illusion. It almost looks like the bullet is pushing the match sideways, but we know there’s no way the match would rotate and stay on the same plane as the bullet. Such a neat shot!

The footage of a bullet carrying a match, while lighting another match is something you should put in the Guinness Book of world records

Destin has some of, if not the best educational content on youtube!! I love how your videos are clear and easy to understand while discussing some of the most complex S.T.E.M Topics. Keep it UP!!!!

That was awesome! A bullet carrying a match while lightning a match is a first for me lol!

I love that there are _accurate_ human edited captions/subtitles (less deciphering what the bot mishears homophones and portmanteaus as), but they're desynced with the video. (at the time of this comment)

The genuine laughter brings me so much happiness, seeing and hearing how excited you were about this was absolutely beautiful

That bullet proudly carrying it's match down the street like a golden retriever with a stick was adorable.

Freaking awesome! On a completely unrelated point, I got a chuckle out of seeing Destin codeswitching.

Really hilarious and fascinating! It looks like the wood grain of the match is parallel to the matchstick's length, so it's like a bundle of straws in that direction and is much stronger. I think that factor is one reason it doesn't shatter completely, and when combined with the gases initially propelling the matchstick until the bullet catches up with it, the relative velocity difference is lower and thus less force (F=m*a) is seen by the matchstick. However, we still do see it has splintered a bit, (possibly from impact force or drag), lodging one bundle of splinter fibers into the hollow point. The matchstick isn't spinning, but the bullet amazingly spins around that splinter like a top perfectly carrying it in front like a hilarious hood ornament.

Master gunsmith here! I think your second strange thing (gases moving rearward) are actually gasses/debris moving toward the camera due to the rotation of the bullet. Your third item could also be a known issue called “foregassing” that tends to happen near the end of the lifespan of a barrel’s rifling. At all times the gas is trying to escape around and in front of the bullet, and once the rifling is worn enough it starts to do that, blowing unburned powder ahead through the muzzle. On your last item you are spot on! I’ll only add that you don’t need foregassing to do that; unless you recently fired the rifle, the barrel will be full of “cold” air that will compress as the bullet pushes into it, creating a bit of a cushion. This is what causes that “first round pop” with suppressors.

Ok great so now we need to strum a guitar with a bullet.

Hey Destin i was wondering how the match went through the cardboard hole sideways. I was wondering if the match caught the cardboard and the bullet pushed it through. Wish the camera picked it all up. Love the video. Keep it up.

The barrel has a chamber and a bore. Chamber is where the cartridge sits, and the bore is what the bullet travels through. When the bolt is all the way forward and locked into the barrel that is called "in battery", and when it is not it is called "out of battery". When in battery the distance from the bolt face to the end of the chamber that does not allow the cartridge to go any further into the barrel is called "head spacing". Using a cartridge that is shorter than the chamber is basically the same thing as having incorrect head spacing, which can cause catastrophic failures resulting in injury or death. Thankfully 22 is weak enough to not cause a pressure spike that could explode the steel barrel. And some 22 firearms are designed to use the shorter cartridges. But always check to make sure just to be safe. There's plenty of videos showing what incorrect head spacing can do, or what using the wrong cartridge can do. Also, the rifling has 2 parts called lands and grooves. The lands are the ridges and the grooves are the spaces between those ridges.

Matches and Air Rifles... When we were kids, my brother and I would shoot matches at hard targets like rocks, bricks and metal with a single shot, break-action air rifle. The matches explode with a loud bang when you hit a hard surface. You don't need to load a pellet, the old Diamond brand matches were a good fit in a .177 bore. The air rifle can also help you answer some of these questions about gasses, powder, etc. Especially if you put a camera next to the muzzle.

As a novice reloader, powder burn speed and barrel length matter. Believe it or not, the difference between a 16 inch barrel and just a 20 will have 90 something % burned to 99% burned. Or slow powder to fast. Theres a few factors in all, primer too, even the brand can effect it, and powder grain shape also effects how things burn. Id low to see a clear bullet "case" filled with different powders in a clear barrel shot in slo mo

What was used as a backstop for the bullets? I know it doesn't take a much to stop .22 short, but what did you find worked consistently round after round?

That's super cool :) Loved the sine wave rolling shutter. For the second one, I suspect there's a third explanation, which is that you're forming something a little like an oblique shock there... There's a lot of air moving around that interaction really quickly... It also explains the speed of reversion, becuase the source would go away on contact and then form and friction drag would pick up all the air with the flow that it's towing along with it. In the third, the case won't go all the way to the rifling, there'll be a small gap between the projectile and the leade, if you don't have a gap you'll blow up the gun, because of the pressure buildup during the engraving process. You will always see a little powder and some combustion gasses escaping past the projectile, they're never a perfect obturator, but absolutely, in the case you're describing you can expect a huge amount of flow around the projectile, .22 short won't be achieving very high pressures at all before the projectile leaves the case mouth, then it's got an enormous jump relative to a normal catridge configuration, so the combustion process would slow right down during the early phases of firing, which would both allow a lot more unburnt powder to bypass the projectile while it hasn't engaged the rifling, and also give it a much more gentle push than you would normally expect. Effectively the huge jump is resulting in a massively delayed pressure profile. On the final one, I've looked after a lot of students and junior Engineers, and the biggest problem I see in Universities is that they tend to teach absolutes that aren't true... Frequently it's meaningless to write a free body diagram for something because you try and represent a force on it for something which results in a force, rather than being a product of a force... The way I always explain it is that you have four typical scenarios; applied force, applied energy, applied acceleration and applied displacement. If you try and model and applied energy or an applied displacement as an applied force you'll get nonsensical answers. Your example is analagous to a car crash... If you put something small in a car and affix it to a piece of the survival cell you can think of it as suffering an applied acceleration, but the important part is that it only suffers that at the point of contact... If you have a long stick of something really energy absorbing and deformable behind it, it'll suffer the applied acceleration only at the point of contact, everything else will see a much lower acceleration... Given you're firing .22 short and you're getting a delayed pressure profile and a dirty burn and probably only achieving 200m/sec you're probably only seeing half or less of the typical 10000g you'd expect as a gunfire shock load, and only over 100mm or so before the powder is all burnt, which is about right for a .22.

I love the way that a scientist can nerd out in the ancillary observations from the experiments.

Destin, don’t forget the unburned powder could be from the previous shot remaining in the bore of the barrel. The unburned powder is then forced out on the next shot.

I have to wonder if striking the match (with the bullet) will produce a tiny amount of triboluminescence 😎

That bullet carrying that match should be a short by itself! Seriously that was epic level to me!

Your channels are my favorites on the internet! I really enjoy the less polished, laid back version you call Smarter Every Day 2. I am a mechanical engineer by trade and share a lot of the same joy you do, figuring out why things happen or work. Keep up the awesome work my friend! Cheers from Ohio!

10:21 You guys basically successfully executed an unplanned docking manouver in an high-density atmospheric enviroment between a match and a bullet. At the first try. Impressive. XD

Huh it says private?

Gas leaking past the bullet when shooting .22 shorts in a .22 long rifle chamber is a very well-known phenomenon. In fact some gunsmiths and gun experts warn people not to shoot a lot of shorts in a long rifle chambered rifle. The high-speed gas leak going through the narrow space has so much heat and speed that it eventually erodes that part of the chamber. Some experts believe this phenomenon is just an urban myth, but I was confronted with it physically. As an undergraduate I did gun smithing work and I repaired a .22 LR owned by an old gentleman who had only used .22 shorts for a long time. The pit in the chamber was >2mm deep as I recall. I cut off the damaged chamber and rechambered the barrel. I might still have the piece I removed if I can find it. I kept it to show doubting Thomas's.

Love that reaction........I'm in pieces with laughter here......Thank you

Love it when unexpected things cause you to go “wait- that was cool!… Wonder why it did that? 🧐 Weird stuff happening = fun / cool video which = us getting Smarter Every Day! 😎 👍🏻👍🏻

One of my favorite Smarter Every Day moments was seeing the supersonic gun powder in your "Bullet Schlieren" episode. My brother used to work in forensics and spent a lot of time looking at primer residue under a scanning electron microscope.

I have two theories. 1) The powder hitting the match: .22 rounds use powder that burns VERY dirty. I think with the short brass, a little of the powder from the round MAY get around the bullet, but most of what makes it downrange with the bullet is grime and unburnt powder that built up in the barrel from previous shots. 2) The bullet seals pretty tight in the barrel (or else the rifling wouldn't work as well as it does). The matchsticks are pretty light. Now, what happens if you take a tube and plug one end of it, then push the plug down the tube? Air pressure. I think that, more than the blow by of the powder around the bullet, pushes the matchstick. The bullet, being very fast, catches up to the matchstick, but not so fast as to shatter the stick with the impact. Sort of catches up to it and then pushes it. As a kid, I used to take strike anywhere matches and put them down the barrel of my Red Rider BB gun (they only fit up to the head of the match, but that's okay) and shoot them at things (rocks, brick walls and, yes, even other matches held in a clothes pin with the head sticking up). A few times I was able to strike one or both matches (when shooting at matches, of course), but my favorite was brick walls. The match head explodes with a loud bang, sometimes even leaving a tiny crater in a cinder block. I had been doing this for a couple of years before my Dear Ol' Dad noticed the pock marks in a secluded corner the wall around our back yard. At first he was mad and I got yelled at, (there were a LOT of craters), but the next day he was a little late getting home from work. He had stopped and bought another BB gun, a ton of BBs, several boxes of matches and four cinder blocks. BEST DAD EVER!!! A few months later I discovered that shotgun primers (we had plenty, because we loved to hunt dove and reload our own shells) and the slingshots they call wrist rockets are another explosive combo.. I let Dear Ol' Dad know about that the day I came up with that one after only a few shots at the blocks. He wasn't as pleased at that one because of the shrapnel, but he did buy me one tray of primers and a face shield just to get it out of my system. He supervised me with the primers and made sure I knew that there would be no more of that. He was a great Dad, but he wasn't stupid. Those primers were dangerous!

Mentioned on the main channel video, too, but I'll just drop it here, too. Something I didn't see in your video, but saw when I did my own phantom shot of a match once upon a time, was the wood boiling as it burned. (Or at least, that's my description of it -- I think basically the little bit of moisture that's still in the wood was boiling? Or maybe some solid was melting and then boiling. Anyway, a clear-ish liquid could be seen to be bubbling as the match burned, before the flame or soot areas quite got to that section. Gotta be fairly high-res to see it, so probably drop the frame rate (and make sure focus is good, obviously, but you do that, so no worries). It's fascinating. Would love to see you explore it, if you want to. :)

I was absolutely not expecting a sideways flying match being pushed by a bullet 🤣🤣🤣

Love this experimentation for a format!!

2:44 That would be fun to see with a Schlieren imaging setup. It would be neat to see the wake of the bullet and how it interacts with the gases from the match.

On the puff of gas going the "wrong" direction: Don't forget the contribution of the "slipstream" around the slug. It looked to me (on my phone, unfortunately) like some of it tried to slip in behind the slug before the gasses come along and push the cloud the other way. Very fun video and observations!

Don't know why a bullet carrying a match is so funny, but the look of it really did make me giggle.

What a great video, i understand these things didn’t make the main channel but man are they interesting!

Love this channel and this video. Just getting speculative thoughts about the weirdness that happens around us is great!

petition to rename the channel "Even Smarter Every Day"

Watched both videos. The "Shut up" reaction with the hearing protection was by far the best part of the whole thing. Height of the personality sine wave for sure.

St Joseph Homeschoolers here: my son asked right away: "if the match was pushed through the cardboard with the hole in it?" (I love as a homeschooling dad that we can watch these videos together with HUGE smiles on our faces;o) We assume not, as it looked like in this video the cardboard (which was used to protect from the muzzle blast) was removed... and maybe more importantly, are you gonna "do it again!" ?

Sure reminds me of the photo of the weasel on the back of the flying woodpecker. Amazing! Thanks for what you do!

Have absolutely nothing to contribute to such awesomeness. Excellent work. These are such genuine channels.

I think the most surprising thing about the bullet pushing the match is the fact that the pushed match did not ignite from the friction as it was pushed down the barrel, especially a rifled barrel.

That bullet carrying the match is hilarious!!😄😄

I absolutely love all your videos! They're really fun to watch and educate me. Would it be possible that some of those fragments we see floating by are very fine particles of lead from the bullet being shaved off by the barrel rifling?

Thank you Destin, I needed this today.

I love that feeling of trying to compose myself while preparing to show somebody something hilarious. I could hear the strain.

You sound surprised that a lot of people has subscribed to this channel. It is funny because i love the main channel but i find this one way more interesting! I want all the nerdy details and i gladly watch 2 hours to get them!! Thanks for all the work you put into the channels! ❤

every time a projectile sparks something on impact, i think "WE DIESELED MAYONNAISE"

I appreciate that you took the time to do this follow up video for people like us.

Fool Around and Find Out is really fun sometimes. Amazing experiment and video. More, please.

It's crazy how meaningful these little observations really are and how well you are able to bring attention to them. I love every one of your videos and am so inspired. Thank you for everything, sincerely

I can tell there were some serious belly laughs that aren't being shown here lol

That last one gives a whole new meaning to "match grade" 😂🤓

there is also 3rd mechanical reason for that dust going backwards. its also a reason why match cracks and not just leves bullet shaped perfect hole in it. there are strains already

Couple things. Not all of the powder is burned some is expelled after the bullet with the gases, some remains in the barrel. 22 cal is well known for this, some people attribute this to the straight wall of the casting, since the powder is ignited by the rim, the gasses at the bottom push the bullet and the powder near the top out before it can ignite. This is one reason high power rifles brass have larger casings that are necked down to the bullet. The larger case allows for more surface area for the powder get ignited before being pushed out with the gas. Also the bullet touches the rilfling lands not the groves. The bullet pushes all the unburnt and burnt powder left from the previous shot out of the barrel ahead of it. This is some of the debris you see before the bullet. (To remove this factor I would use a breach loading rifle and clean the barrel after each shot.) Nice video. PS make sure you clean up the debris left over when done shooting in doors. A local indoor range had an issue where the unburnt residue on the floor between the shoot station and the backstop caught fire.

What impresses me most about this video is that you were able to find strike anywhere matches.

Destin, the black residue on your cardboard baffle is going to be mostly vaporized lead. Rimfire .22 projectiles (22LR and shorter) are not jacketed. The copper colored projectiles you have are copper washed, not plated and not jacketed. The soft lead vaporizes a little bit from traveling down the bore. After exiting the muzzle the lead cools rapidly and becomes a solid again, depositing on whatever is close. If you have friends who own suppressors (silencers) they can vouch for the fact that the amount of lead buildup in a rimfire suppressor is staggeringly huge. Most rimfire suppressors are designed to be disassembled by the user to clean out the caked-on lead deposits regularly. Since the vaporized lead is molten right at the muzzle of a 22, it really gunks-up suppressors and muzzle devices very quickly.

This is so good, Destin!❤

My thought about the gases traveling toward the trailing end of the bullet is that the negative air space behind the bullet might have influenced the travel of the gases

In the setup for the four match shot, it was really interesting to watch the deflection of the bullet in such a short moment.

A bullet, carrying a match like an Olympian carrying the torch, to light a match. Except the Olympian lights the match. Priceless!

Need a Schlieren rig to confirm, but I believe there’s a slight vacuum trailing the bullet, that sucks the puff of match tip debris to the right side ( race car backdrafts) 😊

That was amazing both the main channel vid and this one

Hey destin really good video like usual, I came to a similar conclusion in regards to how the bullet didnt shatter the match (which i was not expecting at all!🤣) however my theory differs slighty. See when hunting in the mud instead of putting tape on the end of my barrel i will sometimes put a foam ear plug. Now when i go to shoot, a few times I have forgotton to remove the ear plug and after firing have checked worried there is residue of ear plug in the end of my barrel (any obstruction is bad from what i have read) that may affect accuracy. Anyway there is always never any residue, so i have come to the conclusion that the bullet when it is engaged in the rifling in the barrel forms a plug/piston and the air is compressed in front of the bullet causing the ear plug to 'shoot' out of the barrel before the bullet hits it. I wonder if This is whats happening with the match and the bullet is acting like a super compressed air cannon that you made. Also would love to see you do a slow mo of what happens with tape on the front of a barrel when fired (its an old hunting trick to stop mud) my hypothesis is that it will act like the tape on the front of your air cannon (except there is more air in from of the projectile blowing the tape off earlier) cheers.

Regarding the powder in the frame, please consider this. I have observed that smokeless powder burns faster in higher pressures The 22 short bullet leaves the casing and JUMPS to the rifling. This causes a momentary loss of the pressure needed for a more complete powder burn. Thus, unburned powder leaves the barrel. Pure SWAG from a few years reloading 30-06 and 357

I think the 2nd thing you talk about, the bullet coming from right to left then a puff of gas going left to right is from the bullet pushing air in front of it, that pushed air hits the match and bounces back along with some debris from the match. Since the bullet is traveling below supersonic speed I think it would be able to actually be pushing air ahead of it as if flies. The ammo you're using is simply "22 Short" Rimfire, The 3 main 22 rimfire cartridges are "22 Short" "22 Long" and "22 Long Rifle". Look up the history of these for an in depth explanation. There is no "Rifle" in the name of 22 Short or 22 Long, in fact, Rifle was used in the name of 22 Long Rifle (22LR) to differentiate it by name from 22 Long. The gun powder you see going well ahead of the bullet is from the cartridge gasses expanding, starting behind the bullet, but moving PAST the bullet while the bullet is still in the chamber and lead (l - ee - d) area of the chamber, that get around the bullet before the bullet has a chance to engage the actual rifled part of the barrel. There's a lot of dynamics that go on with the timing of things being sealed when a cartridge goes off in a chamber, the brass expands and seals the chamber going back (why we can get sooty or dirty fired cases or maybe just the neck area of a bottle neck case and the bullet fully engaging the barrel and sealing what's going on behind it. Lastly, it was pretty irresponsible of you to put a blockage in the barrel and then fire the gun when you put the match stick in the barrel and still fired the gun.

The bullet pushing the match was hilarious.

Your videos always make me smile. The comedy behind that match

Hey Destin, love your videos, and I love the fact that obviously you're a highly educated mechanical engineer and still your eyes light up like a kid when you uncover live physics.... I spent a lot of time in Redstone in the military as a "mechanical" guy learning and working on that German guys stuff that I still can't talk about and I love all the stuff you do....... since you only did the bullet pushing the match experiment once, and there's no record of that ever having been done before, you can only conclude that it does that 100% of the time...... personally, I would have ended up finishing up the whole box of bullets repeating it.... maybe even supergluing the match into the hollow point....... you really are making people smarter every day

You legit fired the world's first actual "matched bullet".