Bravo’s BCM M4 Upper Receiver Assembly is precision machined to correct Mil-Specs from 7075 T6 forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills. It has Mil-Std 1913 Rail for mounting optics and accessories, Mil-Spec forward assist with heat treated tool steel pawl, press fit and pinned cap, and a hard coat anodized finish. NOTE: Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
Specifications
- Manufacturer part number: 4URM4
- Model: BCM
- Firearm Fit: AR-15
- Gun Platform: AR Style
- Sights: None
- Type: Semi-Complete
- Receiver Material: Aluminum
- Receiver Finish: Black Anodized
Compatibility
Fits AR-15.
Genuine BCM product, manufacturer part number 4URM4. New in the manufacturer’s packaging with full factory warranty. Usually ships within 1-2 business days.






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