The Smith & Wesson 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.

Threaded barrel with A1-style compensator (1/2 x 28 inch thread). Two-position receiver mounted safety lever. Functioning charging handle. Bolt catch. Recessed magazine release. Ambidextrous load-assist button. Match grade precision barrel. Detachable magazine. Adjustable A2 Post front sight. Adjustable dual aperture rear sight. Lightweight, high-strength polymer upper and lower receiver with integral steel inserts. Lightweight, high-strength polymer quad rail. Six-position collapsible stock.