The AR 15 H2 Carbine Buffer is a heavier-than-standard recoil buffer for carbine-length AR-15 buffer tubes. Dropping an ar 15 h2 carbine buffer into your buffer system adds mass that slows the bolt carrier, softens felt recoil, and helps tame over-gassed, suppressed, or short-barreled setups. It is one of the most popular tuning picks in our AR-15 trigger parts and buffer components.
A buffer is an ordinary rifle part. Always follow your state and local laws, and you must be of legal age and eligible to purchase.
Specifications and fitment
| Spec | Detail |
|---|---|
| Weight class | H2 (heavy), between a standard carbine buffer and an H3 |
| Weights | Combination of steel and tungsten |
| Approximate mass | ~4.6 oz |
| Buffer tube | Carbine-length AR-15 buffer tubes |
| Body | Aircraft-grade aluminum, hard anodized finish |
| Best for | Suppressed rifles, SBRs, and heavier calibers such as .300 Blackout or 5.56 NATO |
Smoother cycling and less bolt bounce
The extra weight of the H2 keeps the bolt carrier moving more deliberately, which reduces bolt bounce during rapid strings of fire and lowers stress on the bolt carrier group and other internal parts. For shooters running a suppressor or a piston of extra gas pressure, stepping up to an H2 is a simple way to settle the action without changing the gas system, and it pairs naturally with the rest of the FRT trigger range.
Frequently asked questions
What is the difference between H2 and a standard buffer? An H2 carries more internal weight than a standard carbine buffer, so the action cycles slower and recoil feels softer. It sits between a standard buffer and the heavier H3. Need more dwell time? Step up to the H3 carbine buffer.
Will it fit my rifle? It is sized for carbine-length buffer tubes on most AR-15 platforms. Confirm you are running a carbine tube before ordering.
Dial in your recoil impulse and add the AR 15 H2 Carbine Buffer to your cart today.










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