While the internet may criticize .40 S&W for trying to be too many things to too many people many shooters have come to love the caliber designed to blend the best aspects of the ever popular 9mm and 10mm cartridges. Built on the CMMG® MkGs platform this .40 S&W BANSHEE has a 5 barrel and utilizes Glock-pattern .40 S&W magazines making this the compact and easy to operate personal defense weapon or range toy you’ll never want to put down. - Platform MkGs - Caliber .40 S&W - Operating System Radial Delayed Blowback - Barrel Length 5 - Barrel Twist 1:16 - Barrel Contour MT - Barrel Material 4140CM SBN - Barrel Twist 1:16 - Muzzle Device CMMG ZEROED Linear Compensator - Muzzle Thread 0.578 x 28 - Upper Receiver Billet 6061 T6 Aluminum - Lower Receiver MkGs 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 ZEROED Drop-In Single Stage - Trigger Guard Integrated - Safety Selector CMMG ZEROED 60/90 Degree - Magazine Glock 22rd - Weight 4.9 lbs - Length 20.8