What's in the Box CMMG BANSHEE Mk4 300 Blackout AR Pistol (1) Magpul 30 Round PMAG Compact and capable, .300 BLK was designed to be right at home in AR15-pattern firearms like the CMMG 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 is built to fit the bill. Available in Armor Black Cerakote finish, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE to the stylized receivers and EML handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full-length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top Picatinny rail sections, you ll always have enough space for those must-have accessories. Firearm Features ZEROED Pistol Grip ZEROED Drop-In Trigger ZEROED Trigger Guard ZEROED 60 /90 Ambi Safety ZEROED AR15 Ambi Charging Handle ZEROED Ambi Mag Catch ZEROED Extended Mag Release Button ZEROED AR15 Bolt Catch ZEROED AR15 Polymer Dust Cover ZEROED Linear Compensator 308 Win 5/8 X 24 Muzzle Thread Firearm Specifications Manufacturer: CMMG Model: BANSHEE Mk4 Caliber: 300 Blackout Barrel Length: 8" Overall Length: 23.7" Twist Rate: 1:7 Finish: Armor Black Cerakote Standard Sights: None Grips/Stock: CMMG ZEROED Pistol Grip/CMMG RipBrace Magazine Capacity: 30