The BCM® (MPI) Complete Bolt Carrier Group is a fully assembled, Mil-Spec AR platform component engineered for durability, reliability, and consistent performance. Built to rigorous USGI standards and thoroughly tested prior to shipment, this BCG is trusted by professional users and serious shooters alike.
FEATURES
- Machined to USGI specifications for dependable fit and function
- Full-auto profile carrier compatible with AR-15, M16, and M4 platforms
- Carpenter No. 158® steel bolt, shot peened for enhanced strength
- High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) bolt
- Chrome-lined carrier interior and gas key for corrosion resistance and longevity
- Properly staked gas key using Grade 8 fasteners for secure gas system operation
- Tool steel extractor and ejector with BCM extractor spring for reliable cycling
- Test fired prior to shipment to ensure function and quality control
- Ion Bond coated carrier (Flat Dark Earth model) reduces friction and simplifies cleaning
- Parkerized exterior finish for added durability
SPECIFICATIONS
- Platform Compatibility: AR-15, M16, M4
- Carrier Type: Full-auto profile
- Bolt Material: Carpenter No. 158® steel
- Finish: Parkerized exterior with chrome-lined interior
- Gas Key: Chrome-lined, heat treated, properly staked
- Testing: HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected)
