H3 Carbine Buffer

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H3 (Heavy) Buffer for your carbine, AR15, M4 Weighted with 3 tungsten weights.

***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit www.p65warnings.ca.gov.***

96 Reviews

  • 5
    Superb Shoulder Saver

    Posted by Seth on Jun 24th 2020

    I purchased this buffer in lieu of the recommended setup for 300 blk. This buffer provides a considerable reduction in felt recoil and assists with proper cycling with the 300 blk cartridge. I wanted to see the difference for myself, so I made sure to shoot 10 rounds with the traditional buffer weight. I couldn't wait to put the H3 back in. My shoulder thanked me for using this, and yours will too!

  • 5
    H3 Buffer

    Posted by Vincent St. Romain on Jun 23rd 2020

    BCM had it and I bought it! It has made the difference in a 300 blk out that I put it in. If BCM is selling it you can believe you will get what you order shipped promptly. BCM are good people!

  • 5
    solid product

    Posted by Sean on Jun 17th 2020

    The H3 buffer works as advertised. Installing it got rid of my bolt bounce problem and gave me a solid lock up every time. I've been building AR pattern rifles for 7 years, and this is one of the best buffers I've ever used in a rifle. Highly recommend especially if you are looking to eliminate bolt bounce.

  • 5
    Quality buffer

    Posted by Austin L on Jun 9th 2020

    Well made, sturdy, and hardy. Awesome buffer that works with several different ammo types

  • 5
    H3 Carbine Buffer

    Posted by Hank Tam on Apr 30th 2020

    Flawless. Easy installation. Runs in conjunction with BCM bolt carrier group on my 300BLK. Ships fast, too. Would definitely recommend.

  • 5
    H3 buffer.

    Posted by Justin on Apr 27th 2020

    Buffer works as designed. Moves back then moves forward all while keeping my severely over gassed bcm 11.5 pistol from beating itself to death. Sadly the buffer doesn't fix the problem of the pistol not working with gen 3 magpul pmags or the under sprung issue... for the price point not having a pinned gas block is unfortunate as well.

  • 5
    Just what I needed

    Posted by David M on Apr 20th 2020

    Got a Suppressor and the bcg was cycling too fast. through their heavy buffer in there and it's exactly what I needed. Runs perfect now. Love it

  • 5
    Works great

    Posted by CHAD A NELSON on Dec 23rd 2019

    Works great

  • 5
    BCM .300 Build

    Posted by Michael Schroeder on Sep 3rd 2019

    See above.