AR 15 Buffer Weights Explained: Carbine, Rifle, H1, H2, H3

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Home CMMG AR 15 Buffer Weights Explained: Carbine, Rifle, H1, H2, H3

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Get all the information you need on AR 15 buffers including, how to remove your buffer spring from your buffer tube, which buffer weight (Carbine, Rifle, H1, H2, or H3) works best with which caliber, pistol buffers, tungsten buffer weights, and picking the right length ar buffer for your rifle or pistol. Each AR 15 is different and choosing the right buffer is essential for mitigating recoil and insuring reliability for your BCG. Pick the best ar buffer for your build with our extensive guide! Comment your favorite buffer type and caliber below!

🔥 Popular Uppers from Bear Creek Arsenal 🔥 16″ 5.56 NATO: Search 617- 16″ Side Charging 5.56 NATO: 912- 16″ Side Charging .223 Wylde: 915- 10.5″ Side Charging 5.56 NATO: 914-

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28 COMMENTS

Love you guys's products and videos. Thank you and keep em coming. God bless and happy shooting.
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Good evening I have a 300 blackout with a 10.5 inch barrel pistol length gas system I only plan on firing supersonic. What would be the best buffer wait for me thank you.
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What buffer do you recommend for a 10.5 inch 556 with a wide open trigger and mil spec bcg
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Okay so I actually have your guys 7.5 inch 300 blackout, an I actually love the heavy felt recoil, I want to actually feel the recoil, which butter could I put in the buffer tube in order to achieve that harder kick ?
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I like your Ink. Thanks for the video. RLTW
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What buffer would you recommend for your 18” barrel 7.62×39?
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adjustable gas block or a BCG with an adjustable gas port can give more leeway on choice of buffer weight as well AND open the range of different grains of ammo.
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BCA , GREAT Video.Very Informative. What Type of Buffer do you Recommend for AR10 20 "Heavy Barrel Chamber l in 308.?

Please Advise…
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So do I have to buy the H2 buffer for 16" barrel or should I first try the standard carbine buffer I own?
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My gas port has eroded so bad on my 556 I had to go to a h3 to slow it down from being so over gassed
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so installed a rare breed FRT trigger the last rd of the 5.56 fails to fire and will not throw the BCG back to let me know it's empty not mater which kind of mag i try that would mean i need a h2 right. i am currently using a carbine . i would like to get the Super 42 Braided Wire Buffer Spring and Buffer Combo, H1 from "Geissele" . i dont want to be out the money if i do get it and it don't work. you think that would help? i have the M&P 15 sport with a FRT trigger
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Hey what’s a good weight buffer for a 300 blackout 7.5’” and a 10.5’”762 x 39
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Just ordered a 20" heavy 556 upper. Will my Anderson AM15 16" lower work ok?
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Just ran the H1 geissle and the 223/556 wylde did not run. Shot 1 then jammed. Every time.
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Good video……Thanks
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I’ve been getting stove pipes out of your 7.5 inch upper not the side charger. I’ve got a super strong recoil too so I’m guessing I need like a h3
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Really surprised this dude missed at least SIX major points – 1) the size of the gas port in the barrel (how much gas gets out) 2) the size of the gas port in the gas block (metering how much gas gets through to the gas tube) 3) the length of the gas system (pistol, carbine, mid, intermed, rifle) 4) the length of the barrel and resulting dwell time 5) whether you are shooting suppressed or unsuppressed and 6) what type of ammo you are shooting (hot NATO loads vs. cheap low power steel case). All these impact cycling, reliability, feel, and parts wear and factor into choosing the right buffer. And there is wayyyy to much mixing and matching of parts going on in the community for any hard and fast rules espoused by one dude, you just have to figure out the right buffer and spring weight (and possible change to an adjustable gas block) on your own based on what you've assembled in your build in order to get it to run properly for what you are shooting. And btw, to keep the cost and price down, most manufacturers include a cheap carbine buffer (3 steel slugs vs. more expensive tungsten plugs) in the rifle – that doesn't mean it's the right answer, just the cheap answer.

As a result, his massive oversimplification is misleading and wrong. Probably shouldn't be speaking on behalf of any manufacturer, but at least we know why Bear Creek is bottom tier.
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Good to see Hawkeye still working after endgame
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What’s a good buffer wait for it AR15 7.5inch pistol
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Thanks, my brother. Excellent schooling!
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So how about a 7 1/2” bbl AR PISTOL with pistol length gas system chambered in 5.56? Would think from this vid would be going heavy 6 oz+ ??
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Tungsten does not have the same Mass as Steel
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Which buffer would work best for the 7×62 upper ? And what else would I need to upgrade for a smooth function
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i have BCA 10.5" 350 legend barrel and a BCA bolt carrier group in my pistol build with a 2.9oz carbine buffer. and getting the issue you described loads first round, fires and ejects fine but does not pull the next round out of the magazine at all!! any suggestions on buffer size and anything to remedy this problem…emailed BCA multiple times NO replies
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Pistol ammo has half the chamber pressure of rifle ammo. This right here makes me doubt the restoration of the content in this video.
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Gas port size, barrel size, and whether shooting suppressed, also play into which buffer weight you should use. I have a short 10.3” with a larger .070 gas port, that uses an h2 when suppressed and unsuppressed.
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Best buffer for a 12.5 barrel .556? I've heard H2
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Do you have to change the spring when going with a heavier buffer? For explanation will the spring it came with work the same with an H3 buffer or do I need a heavier duty spring?
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December 18, 2025

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Từ khóa » H1 Vs H2 Vs H3 Buffer

AR 15 Buffer Weights Explained: Carbine, Rifle, H1, H2, H3

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