BCM Carbine H2 Buffer Weight - 4.6oz.

Bravo Company Bcm Carbine H2 Buffer Weight - 4.6oz. - Buffer for AR-15 - view 1
Bravo Company Bcm Carbine H2 Buffer Weight - 4.6oz. - Buffer for AR-15 - view 2
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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.

Specifications

MPNBUFFER-CARBINE-H2
TypeCarbine
Buffer WeightH2

Available Merchants(2)

Prices checked

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Bravo Company USA logo
Bravo Company USA
~$12.95 est. shipping
Shipping Speed
In Stock
$126
Primary Arms logo
Primary Arms
Free shipping
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Out of Stock
$126

August 2026 on GunPartPicker

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.

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Frequently Built With

The part most often added in each category by the 157 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

81.8%
AR-1581.8%
AR-1015.2%
AR-93%

Caliber

60.9%
5.56 NATO60.9%
.223 Wylde17.4%
6.5 Grendel13%
300 Blackout8.7%

Gas System

47.4%
Mid-Length47.4%
Carbine21.1%
Pistol15.8%
Rifle15.8%

Builds Featuring This Part

See all 16

Builds in the community that include the Bcm Carbine H2 Buffer Weight - 4.6oz.

BuildPartsTotal
Second 5.56 build build
Second 5.56 build
22$2266.54
16" Aero Precision pistol build
16" Aero Precision pistol
26$4659.53
18" build build
18" build
26$1807.89
home defense 16" build
home defense 16"
13$1177.72
DMR 16" 5.56 build
DMR 16" 5.56
29$3878.08
Radian Weapons 10.5" 5.56 build
Radian Weapons 10.5" 5.56
19$2049.57
11.5" 5.56 build
11.5" 5.56
22$1784.43
8" SBR build
8" SBR
24$3959.62
6" 5.56 build
6" 5.56
22$1238.89
PDW 16" 5.56 build
PDW 16" 5.56
27$2070.33
backup build build
backup build
19$1374.96
for hunting hogs 14.5" build
for hunting hogs 14.5"
24$2451.12

Customer reviews

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1 global rating

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Top reviews

C
chempel.01
BCM H2
Reviewed on April 10, 2026Verified with Build

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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