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SKU:BCM-MK2-URG-300BLK-9-MCMR-8
BCM® MK2 Standard 9"" 300 BLACKOUT Complete Upper Receiver Group w/ MCMR-8 Handguard
BCM® MK2 Standard 9"" 300 BLACKOUT Complete Upper Receiver Group w/ MCMR-8 Handguard
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BCM® MK2 Standard 9"" 300 BLACKOUT Complete Upper Receiver Group w/ MCMR-8 Handguard
This BCM upper assembly is purpose-built for performance in the 300 Blackout caliber, featuring a 9"""" barrel made from durable 11595E spec steel with a manganese phosphate finish for corrosion resistance. The barrel is chrome-lined for extended life and reliability, and it sports a 1:7 twist rate ideal for stabilizing a wide range of bullet weights, including subsonic loads. Weighing just 2.2 lbs, this upper is lightweight yet rugged, making it well-suited for short-barreled rifle (SBR) builds or AR pistols. It utilizes a pistol-length gas system for reliable cycling with both supersonic and subsonic ammunition. The BCM Comp Mod 1 muzzle device, threaded at 5/8x24, helps mitigate recoil and muzzle rise. Completing the package is the BCM MCMR-8 free-float M-LOK handguard, offering a stable platform for accessories while enhancing accuracy. ""
Continuous taper barrel profile designed for optimal weight, balance, and performance. Tapered barrel profile out front, for easier maneuverability. No sharp handguard cap shoulder for improved barrel harmonics and improved accuracy. Muzzle threaded in standard 30 cal (5/8x24). Includes: MCMR-8 Handguard Includes: MCMR-SM (MCMR Sling Mount) Includes: One 3"""" Picatinny Rail Section Includes: BCM Comp Mod 1 - 762/300 BLK ""
MPN: BCM-MK2-URG-300BLK-9-MCMR-8
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