Caliber: 9mm Luger – Stock: Black Synthetic Chassis with Aluminum Free-Float Handguard – Capacity: 17 – Barrel Length: 16.12 – Overall Length: 32.25 – 35.50 – Barrel Feature: Threaded Fluted – Front Sight: None – Rear Sight: None – Thread Pattern: 1/2-28 – Weight: 7.3 lb. – Length of Pull: 10.50 – 13.75 – 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. – Factory-installed barrel-mounted picatinny rail allows for the forward mounting of optics. – 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. – Chassis system features a flared magwell for improved magazine reloading capabilities as well as integrated rear-mounted QD cups. – Lower receiver is fitted with a six-position telescoping Magpul® MOE® buttstock on a proprietary receiver extension capable of accepting both commercial and Mil-Spec aftermarket stocks. – Ergonomic pistol grip features an extended trigger reach for more precise trigger control. – Glass-filled polymer chassis system with integrated rear 7075-T6 aluminum picatinny rail allows for the mounting of standard AR grips and picatinny rail-mountable stocks or extensions. – 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. – Also includes: one SR-Series™ pistol magazine and hex wrenches for disassembly of the chassis and aluminum handguard as well as removal of the charging handle.