308 Win - 168gr Sierra Match King vs Hornady Match with AR-Comp 

I couldn't get .33” group poking the holes with a pencil. Nice shooting/loading Johnny

That Krieger is a Beast! Excellent accuracy and great shooting, it takes work to squeeze accuracy like that out of an AR-10 platform, but you're making it look easy.

Sitting here at 8:05pm wondering where tonight's video was, and boom, here it is.

I sure do miss the groups on paper with the target came since you got the shot marker. I still like the video just I’m a visual guy and love seeing the shot to shot holes develop in the paper.

Again shows why the .308 is such a great all around cartridge.

Thanks Johnny! Appreciate it all.

I can't tell you how happy I am to have regular JRB videos! I appreciate all the hard work! You taught me the basics of reloading years ago and it's been an awesome journey ever since! I really need to learn how to use twitch so I can watch live sometimes...

Amazing! So envious of your shooting abilities! Absolutely loved it!!!

Very, very impressive. These are absolutely excellent groups. Thank you.

Great groups. I am going to have to try this load in my S&W M&P 10. Thks for the time you spend researching.

Watching Johnny shoot some awesome groups with my first cup of coffee. Great way to start the day.

Dang Johnny, that's Custom Bolt Action results there. Great Shooting.

Just came across your channel today and I’ve been binge watching for about 2hrs now… I’ve always wanted to do my own reloads to save money and just have a better understanding about what I’m putting down range. I’ve been thinking very hard about getting an AR10 in .308 and this video shows me what one would do for precision shooting as opposed to a dedicated bolt action hunting rifle. I wish I had enough money to learn and buy reloading equipment but money is stretched very thin these days with inflation and helping my parents who both have cancer with their bills. I wish I knew someone like you that was close to me so I could watch and learn the reloading trade which is in high demand right now. Anyways, I’ve been enjoying your videos and your deep analysis you give, it’s pretty mind blowing to me as someone who has no knowledge of these science that goes behind making custom loads. Keep up the great work! 🇺🇸🇺🇸🇺🇸🇺🇸

very interesting that i've had these exact same results with .308 ( in several rifles). Somewhere around 2750fps seems to be an accuracy node for .308. My hunting load with 165g accubond/ballistic tip bullets runs right at 2755fps with Varget. I see a load with the sierra bullet between the top two charge weights. Very little POI shift and low enough SD. Adjust the gun for gas and shoot all day! Great video Johnny!

That barrel is simply amazing!

God bless you sir for your great videos. Definitely proving that great shooting is made up of a lot of little things. Really happy to see you shoot like this in an AR10!

I have had similar results with 43 grains of Varget and Sierra 175 grain HPBT match bullets over a Federal 210M primer. OAL is 2.815". This load has worked fantastically in bolt guns and semi auto AR style guns with Lilja and Krieger barrels.

ArComp is probably my most favorite powder. All thanks to JRB.

That's the best group I've seen out of an ar 10 very good shooting.

Zoomin bullets with great accuracy! Well done Johnny! Just amazing how that barrel doesn’t show a bad bad bullet. Some loads are better than others but nothing bad. 👍

Wow awsome video! i am totally 100% impressed!

Stack em deep and sell em cheap, darn nice shooting.

AR Comp continues to show amazing groups in every caliber. I have to get some and give it a try

I was putting together an AR10 two years ago when I came across your channel. I have the same set up with the 1:10 twist krieger m110 barrel. I have had similar results with ARcomp and 175 SMKs and 178 ELDX's. I have had cycling issues with AR comp that I have not had at all with any other powders. My barrel also likes Varget and imr 4895. Having lots of trouble finding AR comp right now. Thanks for revisiting the AR10 loading!

You do it right Johnny. great video

I kept refreshing to see when video was live

Excellent shooting Johnny!!

I would love to see an entire load development for these projectiles, they sure do seem like shooters to me!

Well you’ve made me a believer in the possibility of the ar10 being accurate. Years of looking at them in disappointment this really changes that!

Krieger barrel & hand loads. Pure heaven.

Wow I'm impressed

You are great, man. I love your sense of humor and humble character. "i can not count properly" :))))))))

Bananas level of performance from an AR-10; really impressive

Congrats man, I got rid of my AR-10 after so much barrel trouble. I wish I had gotten the Krieger barrel. That thing is hammering!

Take the Sierra 1.11 group, best SD and ES, and do a seating depth test in 3 thousand increments , like Cortina talks about.

Bought a Alex Pro Firearms and it shoots awesome getting .25 groups with military ammo. Had two friends watching they were amazed. One of them shot it and loved it and shot just as well. Looking to reload for it but do not expect any better results. A pleasure to shoot, great trigger and muzzle break.

great load and shooting

I have gotten great results with sierra tipped match king in 168 grain with 43.0 grains of IMR8208XBR. Coal was 2.800

That first group! I would have gone home. Yet, you beat it 👏👏👏

Incredible groups. Wholly Crap. I will be looking into the Krieger barrel. Thanks for the loading data.

Thankyou Johnny Real interesting , my 308 lithgow has sweet spot of 43,2 g varget, with 168 sie tmk , best 5 shot i got was about 400 '' cheers Rob

Handy tip on the e-target. You can offset the target by a set amount (1MOA for example) So you keep your aim at the center of your orange sticker, your shots land an inch below that, but on the shot marker it shows up like you hit the orange sticker... Hope that makes sense... but it makes aiming easier so you're not shooting out your center point. Common in f-class so we don't shoot out the X ring on the target faces.

Great shooting rifle!

THAT is an awesome platform!

Great shooting!

That is impressive shooting

Oh hell yeah I have been waiting 2 years for this. Thanks Johnny for the early birthday present Sir. Omg 😱 that was the crazy accuracy I’ve ever seen. And it extremely nice to know that I have this exact same setup. In that exact same condition I experience the exact same kind of accuracy with the CFE223 and Sierra 168’s that you did 2 years ago Johnny. Now I have to get my hands on some AR Comp I’m already sitting on a few box’s of Sierra 168s. I knew it was a safe bet to get them while I could.

This video is best ever for reloader

Good stuff! Let’s go Brandon!

If I could buy a 55 gallon drum of AR-Comp I would. It is my favorite powder for rifles.

Love this channel!!!❤

im goin with 43.1 and finally saw someone shoot using a JP. thanks!

Very nice shooting!

Jonny pick your best group with a nice SD and then fine tune it more with mandrel expanders. You can get the 21st century in virtually any size but start at no less than .002 tension and go .0005 smaller in sizes til you get the best numbers you can get. Order .306, 3055, .305, .3045 honestly one of those mandrels is going to bring the SD number down even more. It's hard to shrink groups with lapua brass because it's already consistent as heck. Between mandrels and possibly bringing seating depth in .003 at a time you are going to find a load worth duplicating 500 rounds of. Try dipping bullets in dry neck lube to keep from cold welding the bullet to the brass during long term storage. Great shooting bud! Keep it up

😳 WOW! Looks Good!

Great video my friend, love the gas guns ... winner winner chicken dinner!!! 🐔sorry saw other comment about the chickens. Couldn't resist.

Holy smokes... The first three rounds of the last group 🤯🤯🤯. Nice shooting! Love me some AR-10 content!

Amazing shooting with an AR10

Tight, tight like a Tiger. I was going to mention don't forget atmospheric conditions, then you did, some people overlook that aspect to precision shooting, not the PRS guys, everything is a factor for them and they have load data for everything, that said that is excellent shooting from a AR 10 platform and shooter.

That is some nice groups.

This is right down my boreline Johnny…I’m starting to reload and .308 dd5v3 3.5x15pst 419 hellfire brake with ssa-e…16”is my rifle…used Hodgdons specs which say 46.0grs starting on 175match kings..reading y’all’s stuff that seems high?..also had a dent in a unfired round that I stopped on..primer seems flat but makes me worry bout the few I know didn’t seat quite flush..just ordered some 168eld match for my second round at hand loads..brother you’ve got it down I can say seein groups like that…thanks matt in Ky…

Wow.... Mind blown!

Nice Johnny! I just built a 308 AR with a Wilson barrel. About to start load development with the 169 SMK

Awesome shooting my friend.

I think the two best velocity nodes.2753 & 2755, with really good SD were with 43.1gr of powder. I think you have your powder selection nailed down. I would try seating depth to dial it in a tiny bit more but it was shooting really good with the same POI at that powder weight. I left out the last group only because the SD jumped up.

Excellent !!

I really need to get me an AR10 and try this same setup. Great video.

That is nice brass to be putting through an AR-10. I quit trying for multiple reloads and just use once fired GMM that I get at the range. Those big gas guns are hell on it...

that is freaking sweet

I just spent a good chunk of the day finalizing a load workup for my 6.5 Grendel AR15 that I just put a 20 inch Proof Research match barrel on. I'm going the way you did using the 120gr Gold Dots but instead of AR-COMP I'm using Vihtavuori N135 getting ridiculous accuracy and extremely consistent number... I could've used this video earlier while I was reloading it seems like nobody uploads on Sunday... LOL But better late then never just glad you're uploading regularly again brother!!!

I've had great luck with the 168 Nosler Custom Comp. over Varget in .308

That 43.1 load of Hornady needs a little more exploring See how wide your margins are there That SD and ED are insane I’ve never seen the tightest group and SD be together like that. Normally they’re separate nodes. That would be an insane long range load. More than accurate enough with really fucking good consistency

👍👌.....Sierras are always King of accuracy for swaged-match-bullets,......the proof is in measuring/weighing & ultimately the groups....& WELL worth the extra pennies.

Awesome groups! 👍🇺🇸 You've definitely gotten your money's worth with that barrel.

Love me some AR Comp, just none to be found in NH

AR Comp is fast, 100% powder burn in even a 10-inch barrel, but it works!

I have the exact same barrel and a 5-25X50 Viper PST. Best so far is with 41.0 of 4064 with a 175 SMK. Average 5 consecutive 5 shot groups is .65. My rich buddy bought an of the shelf upscale AR10 and shoots an average of 1.25. Powder is still hard to get around here but I’ll look for AR-Comp and give it a try.

Been my experience that Sierra's out shoot Hornady's, and hears the proof. I've been through the sierra plant several times and it's amazing, no wonder their bullets shoot so well, they test each process while making their bullets and they have very tight standards they have to meet.

I can not believe that gas gun is wadding em up like that. Impressive to say the least

You gotta give the 208 eldm a go!!! THEY ARE KICK ASS!

I was just at the range today trying to work up a load for my Sig Tread 716i shooting Sierra 175gr w/IMR 4895.

Id say thats about as good as a bolt action rifle! Great shooting Johnny!

Mighty fine shooting. It's all coming together. Sub 1/2 inch MOA not sure how much better you can get on a .30 cal projectile.

Outstanding 😉👍👊🇺🇸

Nice groups Johnny

I think I'd explore that 43.1 grain charge more thoroughly. It shot both bullets well and is likely to be somewhat easier on the brass.

Could you please try some copper solid bullets, they seem to becoming more popular for hunting and I have an upcoming Kentucky hunt. I tried some Barnes TSX 168 and had terrible results. Shot 8” low and to the right and 6” group at 100 yards from my normal target loads. I just want to make sure it is not just me and I trust if you can’t make them shoot I can’t.

🔥🔥🔥🔥🔥🔥👍👍 thank you Sir for.308

I've switched to 155 grain HPBTs in my AR10, and my groups are consistently 0.5 MOA now using BLC-2

Great video. I also go a year or more messing with my ar10 .308 loads. Last year I was also getting around 2550 fps with my load of 42.5 IMR 4895 with a 168 ELDM. This is out a 18” barreled AR10. I have been looking for more velocity. So I hope I get the same results as you with AR Comp and 168 ELDM. 2750 fps would be awesome.

Love it! Thank you for all you do, I know I certainly appreciate it... BTW, how them chickens 🐔 doing?

Good video

I got the best groups ever out of a bone stock Remington 770 yesterday with CFE 223 and Hornady 150 BTSP. I ladder loaded it first then yesterday I took 12 rounds 4 groups of 3 with 30 min break in between groups. This load on my ladder test did .420. These did about the same biggest was .495 smallest was .395. So a cheap $350 gun that's not free floated did this. Say what you will about cheap guns. My Remington 770 30.06 will do .500 with 180 SST and hunter powder its bone stock to. Love the videos'

Looks like your barrel likes the 2750 FPS range with those bullets. I have a Krieger barrel on a bolt gun in 6.5 Lapua it seems to like that range as well with 140 grain Berger’s. Good shooting!

That barrel seems like it will shoot any bullet/powder combo better than most people can hold. Now we know why Krieger barrels are so expensive. My Criterion shoots just fine, but It likes a powder I have ran out off. To add insult to injury, it all but hates what I have left on hand. Since I have a lot of stuff it doesn't care for, I have all the excuse I need to buy a 20 inch Kreiger. I'm really felling the M110 profile, an SLR adjustable gas block, and an Erik Cortina's EC Tuner brake.

Okay, I'm insanely jealous. I can't get my LR-308 to shoot anywhere near that good.

Another great video JRB! BTW you think an AR-10 is hard on brass be thankful you're not using and M-14 pattern rifle. They are absolutely brutal on brass.

I'd be looking at the 43.1 gr range. Great groups and SD, and over 2700 FPS with a high enough BC, that's a great medium to long range load without maxing out your pressure.

No expert by any means, but that Second Sierra group where the slugs were wandering reminded me of a time I was working up a load. Short version was by hook or crook I had three of 6 that had a burr/deformation at the base of the neck that caused an uneven release, pressure spike, whatever. Tried 6 more at the load that went it's own way and it punched a ragged hole the size of my pinky nail. Another round of that load confirmed it. I now run a smooth punch down the neck. Extra step, but have found almost 50 brass with that deformation over the past 5 years. Would a deer or hog know difference at a hundred? Doubt it. But I use the same rifle for prongs and coyotes which can push back to 4-500 yards. That would be a wounded animal and one VERY upset hunter. I have missed won't lie, but I have NEVER taken a shot that I didn't think was a done deal.

I tell ya, that 168gn Sierra MK and TMK are two of the best bullets I've ever shot out of a 308. I did a test once between 6.5 Creedmoor & 308 Win. I can't remember if it was the 140 or 147 gn ELD-M, but the 308 was 168gn TMK. At 1k yds out of a RPR in 6.5 and a RPR in 308, the hold for center mass was 0.1Mil difference between the two and the 308 was I believe a 20"-barrel vs a 24" on the 6.5. The bullets being produced nowadays are just so much better. Berger still rules in the 308-game, from what I've been told by numerous F-Class shooters including a couple of the 308 national champs.