CMMGA(R) MK4 BANSHEE(TM) 300BLK SEMI-PISTOL PISTOL Compact and capable, .300 BLK was designed to be right at home in AR15-pattern firearms like the CMMGA(R) Mk4 platform. Originally created for optimum performance in subsonic, suppressed, and short-barrel applications, .300 BLK, in supersonic ammo loadings, has evolved into a popular competitor to other intermediate cartridges like 7.62x39. No matter what the application is, this BANSHEE(TM) is built to fit the bill. The BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACEA(R) to the stylized receivers and EML(TM) handguards, every BA Mfg: Cmmg