4.6 oz H2 weight is the right call for a 14.5 mid length or a 16 carbine length running supressed. ejection cleaned up to a tight pile after swapping from a standard carbine buffer. BCM machining is tight, no rattle



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Bravo Company
Overview
The BCM Carbine H2 Buffer Weight is designed to enhance the cycling performance of your AR-15 by providing a balanced weight of 4.6 ounces. This H2 buffer is specifically engineered for carbine-length gas systems, reducing recoil and improving reliability during operation. It's commonly found in builds featuring a mid-length gas system and chambered in 5.56 NATO, making it a solid choice for those looking to optimize their rifle's performance.
Bravo Company BCM Carbine H2 Buffer Weight - 4.6oz. ranked #23 of the 88 buffers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #13 of the 171 buffers builders have added. Builds with this buffer are mostly chambered in 5.56 NATO (61%, then .223 Wylde 17%), split between mid-length (47%) and carbine-length (21%) gas systems, and mostly AR-15 (82%, then AR-10 15%).
It was in stock most days in August 2026, and today only Bravo Company USA has it in stock. Prices barely moved in August 2026, holding around $125.90, so there haven't been real sales lately. Buying today, the lowest price is $125.90 at Bravo Company USA, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every buffer by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Guide →The part most often added in each category by the 157 builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Bcm Carbine H2 Buffer Weight - 4.6oz.
| Build | Parts | Total |
|---|---|---|
![]() | 22 | $2266.54 |
![]() | 26 | $4659.53 |
![]() | 26 | $1807.89 |
![]() | 13 | $1177.72 |
![]() | 29 | $3878.08 |
![]() | 19 | $2049.57 |
![]() | 22 | $1784.43 |
![]() | 24 | $3959.62 |
![]() | 22 | $1238.89 |
![]() | 27 | $2070.33 |
![]() | 19 | $1374.96 |
![]() | 24 | $2451.12 |
1 global rating
Top reviews
4.6 oz H2 weight is the right call for a 14.5 mid length or a 16 carbine length running supressed. ejection cleaned up to a tight pile after swapping from a standard carbine buffer. BCM machining is tight, no rattle