Firearm Parts & Accessories

The BCM® Standard 9" 300 Blackout Upper combines a compact profile with proven performance. Featuring a continuous taper chrome-lined barrel, 11595E steel construction, and a rugged QRF-8 quad rail handguard for full Picatinny modularity. Ideal for both suppressed and unsuppressed .300 BLK setups.

The BCM® Standard 9" 300 Blackout Upper offers a compact, suppressor-ready platform with a continuous taper barrel for optimal weight, balance, and accuracy. Features a chrome-lined bore, 11595E steel barrel, and a 7" MCMR free-float M-LOK handguard for enhanced maneuverability and modularity.

The BCM® Standard 9" 300 Blackout Upper is engineered for optimized weight, balance, and performance. Featuring a continuous taper barrel for improved harmonics, a chrome-lined bore and chamber, and a rugged MCMR-8 free-float M-LOK handguard. Includes BCM® Comp Mod 1 (762/300BLK), sling mount, and 3" rail section. Ideal for suppressed setups and versatile .300 BLK configurations.

The BCM® BFH 11.5" Carbine Upper features a cold hammer-forged barrel for exceptional strength and barrel life. Paired with a carbine-length gas system and a lightweight 10" MCMR free-float M-LOK handguard, it offers rugged reliability and modular versatility in a compact package.

The BCM® Standard 12.5" 300 Blackout Upper is purpose-built for suppressed or unsuppressed versatility. Featuring a chrome-lined barrel, carbine-length gas system, and a 10" MCMR free-float M-LOK handguard, it delivers reliable performance and modularity for the .300 BLK platform.

The BCM® 12.5" RAIDER Upper blends CQB versatility with enhanced control. Featuring a chrome-lined barrel, carbine-length gas system, and a 10" MCMR free-float M-LOK handguard, it’s engineered for reliability and rapid target transitions in dynamic environments.

The BCM® BFH 11.5" Carbine Upper features a cold hammer-forged barrel for exceptional strength and longevity, paired with a lightweight KMR-A10 free-float handguard. Built for fast handling, modularity, and rugged reliability in compact configurations.

The BCM® MK2 11.5" Carbine Upper features the enhanced MK2 upper receiver for optimized gas flow and recoil reduction. Paired with a chrome-lined barrel and a 10" MCMR free-float M-LOK handguard, this compact upper delivers reliability, control, and modularity for duty or defensive use.

The BCM® Standard 14.5" Mid-Length Upper delivers proven performance with a chrome-lined barrel, mid-length gas system, and a 13" MCMR free-float M-LOK handguard. Designed for reliability, balance, and smooth handling in a compact, duty-ready package.