Caliber: .45 ACP – Capacity: 10+1 – Compliance: CA – Stock: 6 Position Adjustable Stock – Front Sight: Flip Adjustable – Rear Sight: Flip Adjustable – Furniture: Advanced Polymer Composite – Finish: Cerakote – Overall Length: 36.38 in / 923.9 – Weight: 8.70 lb / 3.95 kg – Height: 6.8 in / 175 mm – Width: 2.56 in / 65 mm – Top Rail Length: 13 in / 332 mm – Barrel Length: 16.0 – Twist Rate: 1:16 RH – Thread Pitch: None – Barrel Finish: Black Nitride (QPQ) – # of Grooves: 6 – Barrel Material: 4140 Chrome Moly – Operating System: Closed Bolt Delayed Blowback – Action Type: Semi-Automatic – Trigger Type: Pivoting Single Stage – Trigger Weight: 5.5 lbs – Safety: Ambidextrous – Magazine Release: Button Left Side – Magazine Compatability: Glock™ G21 Magazine – Patented KRISS Super V Recoil Mitigation System – Glock™ Magazine Compatible – Smooth Trigger with Audible and Tacticle Reset – Toolless Caliber Interchangeability – Ambidextrous Short Throw Safety Lever – Full Length MIL-STD 1913 Picatinny Top Rail – MIL-STD 1913 Picatinny Bottom Rail – Low Profile Folding Sights – KRISS Vector Enhanced Barrel Shroud – KRISS M4 Stock Adaptor with DEFIANCE® M4 Stock – Cerakote Ceramic Coating Finish – 4-pin Toolless Disassembly