Caliber: 9mm Luger – Handguard: M-LOK Attachment Slots – Capacity: 17 – Weight: 5.2 lb. – Barrel Length: 6.50 – Overall Length: 16.50 – Stock Option: Takedown – Sights: None – Barrel Feature: Threaded – Thread Pattern: 1/2-28 – Barrel Material: Alloy Steel – Barrel Finish: Blued – Grooves: 6 – Receiver Material: Aluminum Alloy – Receiver Finish: Type III Hard-Coat Anodized – Twist: 1:10 RH – Glass-filled polymer chassis system allows for the mounting of standard AR grips. – Integrated rear 7075-T6 aluminum picatinny rail allows for the mounting of Picatinny-style rail brace mounts. – Chassis system features a flared magwell for improved magazine reloading capabilities as well as integrated rear-mounted QD cups for the quick connection of QD cup capable slings. – CNC-milled handguard that is Type III hard-coat anodized aluminum for maximum durability incorporates the traditional takedown block and features Magpul M-LOK-compatible slots at the 3 6 and 9 o’clock positions for easy mounting of M-LOK-compatible rails and accessories – 6 o’clock position of the CNC-milled handguard features a factory-installed handstop for secure support hand placement. – Interchangeable magazine wells for use of common Ruger and Glock magazines. Ships with SR-Series™ and Security-9 pistol magazine well installed and an additional magazine well accepting Glock magazines is included. – Easy takedown enables quick separation of the barrel/forend assembly from the action for ease of transportation and storage. Takedown is as simple as locking the bolt back and verifying that the pistol is unloaded pushing a recessed lever twisting the subassemblies and pulling them apart. – Dead blow action features a custom tungsten dead blow weight that shortens bolt travel and reduces felt recoil and muzzle rise. Bolt is machined from heat treated chrome-moly steel to ensure strength structural integrity and durability. – Reversible magazine release and reversible charging handle to support left- or right-handed use or one-handed control manipulation while maintaining a proper firing grip. – Cold hammer-forged chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy and longevity. The heavy-contour barrel provides consistent accuracy. – Threaded barrel with included thread protector allows for use of standard muzzle accessories. – Light crisp trigger pull with minimal overtravel and positive reset utilizing proven 10/22 trigger components. – CNC-machined from an aerospace grade 7075-T6 aluminum billet the receiver includes an integrated Picatinny-style† rail and is Type III hard-coat anodized for maximum durability. – Ergonomic pistol grip features an extended trigger reach for more precise trigger control. – Also includes: one SR-Series™ pistol magazine; hex wrenches for disassembly of the chassis system and pistol and charging handle removal.