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CMMG
Overview
The CMMG 5.56 Complete Bolt Carrier Group is designed for the 5.56 NATO caliber, ensuring reliable cycling and performance in your AR-15 build. With a nitride finish, this BCG enhances durability and corrosion resistance, contributing to smoother operation and easier maintenance. This component is often found in mid-length gas system builds, making it a solid choice for those looking to optimize their rifle's performance.
Based on build data
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Cmmg Ar-15 Forward Assist Kit | 4 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 4 | |
| Magpul AFG-2 Angled Fore Grip - Black | 3 | |
| Magpul Moe-Sl Grip Polymer Dark Earth | 2 | |
| Cmmg Ar-15 Bolt Catch | 2 | |
| Wilson Combat Ar-15 Lower Receiver Forged | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 66.7% |
| AR-10 | 33.3% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Rifle | 100% |
Builds in the community that include the CMMG 5.56 Complete Bolt Carrier Group, Black - 55BA419
| Build | Parts | Total |
|---|---|---|
 | 15 | $3418.00 |
 | 17 | $1402.44 |
 | 14 | $803.37 |
 | 13 | $2778.96 |
 | 21 | $962.30 |
 | 25 | $1048.10 |
1 global rating
CMMG 5.56 BCG runs reliably on a carbine 16in build. The black finish is more glossy than the matte I expected from product photos, only visible side by side. Gas key staked properly.
