Caliber: 9mm Luger – Stock: Black Synthetic with Aluminum Free-Float Handguard – Capacity: 17 – Barrel Length: 16.12 – Overall Length: 34.37 – Barrel Feature: Threaded Fluted – Front Sight: Protected Blade – Rear Sight: Adjustable Ghost Ring – Thread Pattern: 1/2-28 – Weight: 7 lb. – Length of Pull: 12.62 – 14.12 – Material: Aluminum Alloy – Finish: Type III Hardcoat Anodized – Twist: 1:10 RH – Grooves: 6 – CNC-milled handguard that is Type III hard-coat anodized aluminum for maximum durability with Magpul® M-LOK® accessory attachment slots on all four sides for easy mounting of M-LOK-compatible rails and accessories. – Interchangeable magazine wells for use of common Ruger® and Glock® magazines. Ships with SR-Series™/Security-9® pistol magazine well installed and an additional magazine well accepting Glock® magazines is included*. Ruger American® Pistol magazine wells are available at ShopRuger.com. – 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 rifle 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 ambidextrous 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 while barrel fluting sheds unnecessary weight and allows for quick handling. – Threaded barrel with included thread protector allows for use of standard muzzle accessories. – Accurate sighting system with adjustable ghost ring rear aperture sight and non-glare protected blade front sight. – Soft rubber buttpad with spacers allows the rifle to be properly sized for different shooters or varying levels of outerwear or defensive gear (three 1/2 spacers included). – Durable glass-filled nylon synthetic buttstock features a proprietary texture for enhanced control and an integral sling mount for rapid sling attachment . – 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 rail and is Type III hard-coat anodized for maximum durability. – Also includes: one SR-Series™ pistol magazine and hex wrenches for rear sight adjustment buttpad spacer adjustment and charging handle removal.