© Governors Gun ClubBCM 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15
- Brand
- BCM
- Color
- Anodized Black
- Category
- Gun Parts
- Gun Part Type
- Upper Receiver
- UPC
- 855877004442
- MPN
- 4URM4
Overview
The BCM M4 Upper Receiver Assembly is a professional-grade component precision-machined from 7075-T6 aluminum forgings to meet military specifications. Designed for the AR-15 platform, this receiver features a durable black anodized finish per Mil-A-8625F, Type III, Class 2, and includes dry film lubricant on the interior bore. The assembly comes pre-installed with a forward assist and ejection port cover. This upper is engineered for compatibility with barrels utilizing an M4 barrel extension and includes a Mil-Std 1913 rail for the mounting of optics and accessories. It also features laser-etched T-markings for consistent optic remounting. Weighing approximately 0.69 lbs, this component is intended for builders and is not a complete firearm; it requires the addition of a barrel, charging handle, bolt carrier group, handguard, gas system, and muzzle device to complete the assembly.
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