BCM®
M4 UPPER RECEIVER ASSEMBLY
•Built to the correct Mil-Specs
•Precision machined 7075-T6 aluminum forging
•Fully-assembled w/forward assist & ejection port cover
•Mil-Std 1913 top rail
•M4 barrel extension ready
•Laser etched T-markings
•Hard Coat Anodized per Mil-A-8625F Type III Class2
•Dry Film Lube on interior bore per Mil-Specs
•Made in the USA
M4 UPPER RECEIVER ASSEMBLY
•Built to the correct Mil-Specs
•Precision machined 7075-T6 aluminum forging
•Fully-assembled w/forward assist & ejection port cover
•Mil-Std 1913 top rail
•M4 barrel extension ready
•Laser etched T-markings
•Hard Coat Anodized per Mil-A-8625F Type III Class2
•Dry Film Lube on interior bore per Mil-Specs
•Made in the USA
| Condition | New in Box |
|---|---|
| Manufacturer | Bravo Company |
| Manufacturer Part Number | BCM4-UR-M4 |
| Type | Uppers |
| UPC | 855877004442 |

