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 oclock 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