Equipped with a 5 barrel this BANSHEE is one of the shortest 9mm pistols CMMG offers. What sets this BANSHEE apart is the Mk17 platform lower which is designed to use Sig Sauer P320/M17/M18 pattern magazines. Being able to use handgun magazines in a pistol caliber carbine or personal defense weapon allows shooters to use their existing collection of magazines mag pouches and other accessories. - Available in a range of cerakote finishes 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. New EML4 handguards feature M-LOK slots at 3 6 & 9 o�clock positions and a full length picatinny top rail for accessories as well as an integrated handstop. - Platform: Mk17 - Caliber: 9mm - Operating System: Radial Delayed Blowback - Barrel Length: 5 - Barrel Twist: 1:10 - Barrel Contour: MT - Barrel Material: 4140CM SBN - Muzzle Device: CMMG ZEROED Linear Compensator - Muzzle Thread: 1/2 x 28 - Upper Receiver: Billet 6061 T6 Aluminum - Lower Receiver: Mk17 Forged 7075 T6 Aluminum - Hand Guard: CMMG EML4 M-LOK - Finish: Cerakote Standard - Charging Handle: CMMG ZEROED Ambi - Pistol Grip: CMMG ZEROED Pistol Grip - Buffer Type: Carbine - Receiver Extension: CMMG 6 Position Fastback Extension - Stock / Brace: CMMG RipBrace - Trigger Type: Mil-Spec Single Stage - Trigger Guard: Integrated - Safety Selector: CMMG ZEROED 60/90 Degree - Magazine: Sig Sauer P320 21rd - Weight: 4.9 lbs - Length: 20.8