M&P15 Rifles are the ideal modern sporting rifle. Built to perform multiple uses under various conditions M&P15 Rifles are as versatile as they are reliable. Engineered for a wide variety of recreational sport shooting and professional applications M&P15 Rifles are easy to accessorize but hard to put down. M&P15 Rifles are lightweight and rugged embodying the best combination of function and form.Features: California Compliant Gas Block with Integral Picatinny-Style Rail QD Sling Swivel Attachment Point (bottom of gas block) Threaded Barrel with Cap Fixed Stock Forged Integral Trigger Guard Armornite Finish on Barrel (Interior & Exterior) Chromed Firing Pin Forward Assist Dust Cover Rifling: 1 in 9" 6 groove Ambidextrous Safety Selector * Compliance subject to change. Please check with your local dealer.Specifications: SKU: 12055 Model: M&P15 SPORT II Optics Ready - CA COMPLIANT Caliber: 5.56mm NATO/.223 Capacity: 10+1 Barrel Length: 16" Overall Length: 35.0" Action: Gas Operated Semi-Auto Stock: Fixed Weight: 104.2 oz / 2954.0g Barrel Material: 4140 Steel Barrel Twist: 1 in 9" Purpose: Recreational Shooting