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300 Blackout Subsonic Rounds from NON-SUPRESSED Rifle. Will it work?

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I knew that the rounds would fire, but I'm not so sure (as clearly evidenced by the video) that I knew they wouldn't cycle like they did. Nevertheless, I think soon I finally need to get a supressor. I just need to bite the bullet and do it.
I didn't try the gel because I want to test more handgun stuff. I think the rifles tests I want to do would benefit from longer gel so it doesn't just pass right through it.
Two questions:
1) Does anyone know how long the wait it with the e-file?
2) What buffer weight should I use when I do get it supressed?
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Опубликовано:

5 сен 2024

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Комментарии : 82

@RickSlaughter1 10 месяцев назад

Fellow Floridian here! Thanks for the demo and the concise answer to a question 1st-time 300 blackout owners have asked out of curiosity 👍🏼

@Zwebx-oz3nf Год назад

Excatly what i was looking for thanks for the video

@carlosrobles1264 Год назад

This just happened to me at the range today. I was going to zero my 300blk out with 200gr ammo so it would be somewhat ready for when I get my suppressor and I had this cycling issue for probably 30 out of the 60 rounds I shot and that’s with my adjustable gas block completely open. Wanted to try with 115gr ammo but had already spent too much on other ammo for different guns and I thought my buffer weight was the issue also but seams like it will work fine from what you showed in this video. I knew going this subsonic suppressed route was going to have some obstacles but hey it’s all about the journey and getting experience along the road.

@infinityvisionextreme4657 Год назад

Me 2 did the same exact thing. Smh. Aye we got it now 👍 😂

@MacCready_ Год назад

Don't even bother trying to tune your gun without the can. Wait until you get it. Subs don't cycle well unsuppressed in most guns.

@kevinfieguth4377 2 года назад

I love my super sonic 115gr Hornady bullets that I manufactured myself. If I remember they ran at 2100fps. The 145's are an awesome round for great knock down power. It's my Truck rifle. I built my own and highly recommend this because you can make choices on every component and end up with a $2200 gun with only a fraction of the cost. Also you can save a substantial amount when reusing old fired .556 brass. Pay particular attention to brass thickness by manufacturer though.

@andrewmconrad 2 года назад

Damn, that's incredibly fast 🤯 I pieced mine together too, and definitely could've spent more when putting it together.

@jaredpeters1621 Год назад

I just got a box of Hornady sub sonics and shot through mine no can and had no problems at all. Cycled smoothly. Now my lower is for my 556 that was built but still no problems. My upper is a psa 10.5 barrel and yes it was originally a pistol to begin with. Don't like the 556 in a pistol so it's set up as a rifle...

@scott2228 Год назад

I’ve got the OG 300BLK built by Advance Armament Corp. It’s a great rifle. Using a YHM R9 on it right now. It’s shared time with an AR9. Eventually I’ll get a dedicated 30Cal can. Getting good accuracy with 220gr Ammo Inc StelTH rounds.

@godsdozer 8 месяцев назад

got to open that barrel port up to at least .095 it should cycle anything then, suppressed or unsuppressed. Add a rifle speed adjustable gas block to fine tune.

@dutch0770 2 года назад

300 blkout is a great round. But the price has changed my mind. Unfortunately $1 plus a round has me sticking to my 7.62 x 39 Zastava M70s, but the 300 blkout pistol with a can (11 inch barrel) with 220 subs is an amazing close quarters/home defense gun

@andrewmconrad 2 года назад

Agreed. It is expensive. Sig has had their non subs on their website for about a year not at under a dollar per round. It never a super cheap round. But yeah, with a can and a shorter barrel it is an excellent option for home defense

@Yettiattack Год назад

1$ a round 😂 you complaining at that cost

@dutch0770 Год назад

@@Yettiattack ... $1 a round when I can get other weapons/ammo for half? Ya that can be a problem. When you shoot 1,000s of rounds a year. Haha

@shepleonard8695 Год назад

@@YettiattackOnly paying .65 - .75 at Palmetto State Armory. That's for Sub and Match

@watermann8200 2 года назад

For me the best platform I've found to run subs for home defense or truck gun is a pistol caliber such as an AR9 variant using 147g 960 FPS hollow points that's a blow back rather than a direct impingement or piston gas gun using slow moving rifle bullets that won't perform near as well at slow speeds.

@andrewmconrad 2 года назад

That test will be coming eventually. I'm going to send my barrel of my EPC back to Aero and they're going to correct the issue they've been having with jhp's not cycling. From there I want to test more jhp's in there because it is stupid accurate

@Just_a_guy093 2 месяца назад

Ammo inc 220 did out of my 16” a3m1 non nato just did a 20 box but it did well.

@williamgraebe3989 2 года назад

Wow! Very interesting and I learn something new every time I watch your videos. Also, thank you for supporting Florida companies. Florida loves us so we should love Florida in return.

@andrewmconrad 2 года назад

Alwas support Florida companies when I can

@jeffcooper5026 3 месяца назад

I built a 300 from all BA and Aero parts 10.3 BA Premium Barrel.....First of all a lightweight bolt carrier gives you more total mass flexibility with your buffer...using an RCA Low Mass BCG on Sub I am running a Sprinco Yellow Spring with an H2 buffer....when I run Super I pop that out and put in a Carbine Spring with a Spikes T3....everything is ejecting in the 3:30 - 4:30 range with lock back and no FTF both supressed and unsupressed on both rounds. Sub is super smooth...note ....lighter super bullets will feed in your regular AR mags but heavy 200-220 grain would not. Got 300 mags for heavy rounds and that solved 100% of feeding issues not related to over or under gassed.

@Dwayne7834 2 года назад

Good video. They were better than I thought they would be .

@andrewmconrad 2 года назад

Not too shabby. Just need to trade the buffer weight to get it running better with the subs

@fluffy10mmjeepguy92 2 года назад

I have shot subs through mine without the suppressor and it worked I think they were 220 grains I only did it the one time like what you did.... But I have that same Winchester ammo there for 308 haven't shot it yet but I got a couple boxes of it.... Good content as always brother. Now I want to go do it again....

@andrewmconrad 2 года назад

Oh yeah, time to go to the range!

@randyadams03 2 года назад

Like the set up you have. Fluffy and Waterman have good information. 300blk I've no experience. Next range session you'll have it dialed! Thsnks Andrew. Props to camera work 👏

@andrewmconrad 2 года назад

It's a fun one. Actually the second rifle I built. I eventually want a can

@christopher7310 5 месяцев назад

this is an odd result to me. I recently finished my 10.5 BLK PSA build and took it out to test it. It's running a H3 buffer and was short stroking the whole time with 150 gr AMMO INC. It consistently ejected at 5:30, so I will be switching to a lighter buffer and testing that out. Shitty ejection pattern aside, it ran 3 boxes of ammo without fail. I switched over to some 220gr AMMO INC Stelth Subsonics and it ran just fine without a supressor. I can't remember it's ejection pattern, but it never failed to cycle or eject the subsonics. The subsonics even felt better/smoother. Not sure if it's a rifle or ammo anomaly. the reason I even try and run subs without a can is because I'm a left handed shooter. As a lefty, I'm going to get a flow-through can to alleviate some of the gas I'm constantly eating to the face with normal cans. And from what i've read, Flow-throughs work best with subs if your weapon can cycle them without a can first.

@averyostrowsky8692 4 месяца назад

I Wonder if the barrel length of 10.5 is a kind of weird length for both grain weights with an H3 buffer? I’m assuming it’s a Pistol length gas tube? Is it holding open without issues? If not and you want to use a flow through suppressor, you’ll definitely want to pick up that lighter buffer from what I understand. Still weird that its short stroking with supers though. 10.5 w pistol length gas tube should have plenty of dwell time..

@5jjt Год назад

How is the sound difference?

@archipelago93 6 месяцев назад

I literally just commented on your other video about this lol. Glad you made this. Also, what is that handguard?? I love the size so the suppressor can “tuck” into it

@Forleaftaback Год назад

I had the same issue at the range today. Ty for letting me know it wasn't me. Lol

@JoeZelensky Год назад

You can easily shoot sub unsurpressed and have it cycle properly. Just change your buffer weight to be lighter and possibly the spring as well.

@Jasurf Год назад

Check your gas block first, most likely it us undersized.

@sharedpollard4407 Год назад

I have two lowers. One with standard AR15 buffer and buffer spring while the other has a Kynshot RB5000L buffer for 300blk and a SpringCo 25113 reduced power buffer spring. Its so fast to change out a buffer or buffer spring back to original though. I have an adjustable gas block i purchased as well but have not installed it yet.

@frankhinkle5772 2 года назад

So it was a very worthwhile test!

@andrewmconrad 2 года назад

Always a worthwhile test. Even if I fail, I then know what doesn't work

@stanhutchins4365 2 месяца назад

Would a H2 buffer help cycle the bolt suppressed and un suppressed. Or does all depend on the ammo?

@andrewmconrad 2 месяца назад

A couple of different factors. Buffer weight, adjustable gas block and ammo. H2 is generally a do it all buffer weight

@chrissewell1608 2 года назад

Without knowing more about your pistol rig, it is hard to say "don't shoot them". What length gas tube you have? Adjustable gas block vs. Open gas block? Buffer weight, spring strength?... Bla Bla Bla! Maybe its the magazine? But it appeared, it was under gassed to cycle the BCG.

@andrewmconrad 2 года назад

True, every rifle is different. I guess my point is, if your rifle isn't set up for subs, it probably won't work as well as you think. Regular gas block. Pistol length gas tube

@oakridgereview1359 7 месяцев назад

Would you say this is too loud for regular unsuppressed use? Trying to compare 300blk to 9mm for use… I’m afraid the 300blk will be like 5.56 and the concussion will just be too gnarly

@gullahgeechee2699 6 месяцев назад

300 blk out aint too bad! Mines make me like it more than my 10.5 5.56(LOUD AF)!

@NickEBN79 Год назад

I have feed issues with mine shooting subs with no suppressor as well.

@godsdozer 8 месяцев назад

got to open that barrel port up to at least .095 it should cycle anything then, suppressed or unsuppressed. Add a rifle speed adjustable gas block to fine tune.

@thomasellison2635 9 месяцев назад

Are you using a correct mag for 300 blk? If you're trying to run unsuppressed rounds thru a 556 pmag that is your problem. Pissing in the wind. I run subsonic unsuppressed no problem thru mine. Use the correct cal pmag.

@whipplejosh 7 месяцев назад

Tried using 200 grain subs at the range the other day unsuppressed and I had the exact problem he had. And I use pmag 30 rd gen m3 300 blk out 7.62 x 35 specific mags.

@franciscoanaya5063 11 месяцев назад

What weight buffer are you using on non supress?

9 месяцев назад

It is criminal that this hasn't been answered. Seems like teasing to post the video but not detail the details.

@andrewmconrad 9 месяцев назад

Not criminal. Comments gets lost in the shuffle. My apologies. Spikes tactical T2 buffer

@clarencesearight8173 7 месяцев назад

My gun like subsonic ammo vs the lighter grains I have feed issues with the shorter round of 300 blackouts vs the longer(220 grain)😊

@Yettiattack Год назад

Not generating enough speed 😂

@AstraMilitarumFodder 15 дней назад

Open up the adjustable gas block! Problem solved

@Rustypan471 3 месяца назад

Does the gun have pistol gas system or carbine🎉?

@andrewmconrad 3 месяца назад

Pistol

@zhyelondreyoung3430 3 месяца назад

@@andrewmconrad I have a question I recently purchased a psa ar 300 blackout and I don’t plan putting a suppressor on it can you tell me what 300 blackout ammo would be good for it please and thank you

@thesleevelessfisherman2645 Год назад

I can’t get my 300 blackout to lock back or feed with subsonic loads. 10” barrel pistol length gas system. Carbine buffer and spring. I was having the exact same problem.

@gullahgeechee2699 Год назад

try H buffer because the carbine buffer is 3oz and that one is 3.8oz

@thesleevelessfisherman2645 Год назад

@@gullahgeechee2699 tried that it made it worse. I also tried getting lighter than carbine buffer and a lighter spring. It just doesn’t get enough gas from subs without a suppressor. That or I could drill out the gas port in the barrel which I’m not doing lol

@gullahgeechee2699 Год назад

@@thesleevelessfisherman2645 I will test mines next week.I just installed Heavy buffer

@thesleevelessfisherman2645 Год назад

@@gullahgeechee2699 if it’s cycling too fast it’ll probably work unfortunately if it’s not getting enough gas that’ll only make it worse.

@gullahgeechee2699 Год назад

@@thesleevelessfisherman2645 some folks gun worked with H but, H2 is good when it’s suppressed from what I looked up.

@clarencesearight8173 7 месяцев назад

I had the opposite happen to me

@back-countrymayhem4472 Год назад

If it turns it into a "bolt" gun like you said, does that make it legal? 😆

@SmokindaBlues 11 месяцев назад

Shooting 220 gr non suppressed out of my 9" BCM with no problem.

@chrisadams7984 Год назад

What brand barrel do you have?

@woodlandreconjoshdrakes5509 Год назад

Whoever decided to start pinging steel while you were talking is so rude lol

@andrewmconrad Год назад

You're telling me! This weekend was no better. Seemed like every time I was talking, the person in the bay next to be was shooting, lol

9 месяцев назад

What buffer weight did you have in there?

@andrewmconrad 9 месяцев назад

Spikes tactical T2 buffer weight

@trashedmechanic1987 2 года назад

This is false advertising. Not once did I see anyone blackout while shooting. Lmao

@andrewmconrad 2 года назад

🤣

@mikehoncho6737 2 года назад

That lower should house your WOT, come on man #facetopavement

@andrewmconrad 2 года назад

🤣

@renatogasperin9285 Год назад

Mi dispiace dirlo ma la nato farà finire il vostro bel modo di vivere

@RimfireAddicted70 3 месяца назад

Do not listen to this guy. Anyone who says the gun is not working because there is "not enough bullet speed" knows zero about how AR platforms function. How embarrassing to make a video of this that's on the internet forever. You might consider a basic beginner's course in gas guns before making any more videos.

@Libertarian_Neighbor 2 месяца назад

He said not enough pressure several times. That’s what he meant. Easy cowboy 😂

@caldwell5078 Год назад

Uses subs without a can hahahaha seriously who doesn't know this!? Try a sub through a 556 and you have a bolt gun too. The fact that you didn't know this makes you lose your man card!!