Smith & Wesson M&P15-22 Matte Black Semi Automatic Modern Sporting Rifle - 22 Long Rifle - 25+1 Rounds -The new M&P15-22 is a dedicated M&P15-format rifle designed and built as a true .22 LR semi-auto from the ground up, with all the standard operating features and accessory specifications of a modern-version centerfire M&P15 rifle. Extended magazine. Two-Position Receiver Mounted Safety Lever Functioning Charging Handle Bolt Catch Recessed Magazine Release Ambidextrous Load-Assist Button Lightweight, High-Strength Polymer Upper and Lower Receiver with Integral Steel Inserts Lightweight, High-Strength Polymer Quad Rail Handguard