Low prices on the Smith & Wesson M&P-15 Optics Ready Carbine start at Champion Firearms- The marketplace is filled with AR-type rifles, so why has Smith & Wesson decided to move in this particular direction? Smith & Wesson's mission is to produce the absolute most reliable duty-ready AR15 you can find, right out of the box, with all the best features and accessories already in the package. Smith & Wesson examines every AR15 under a very close eye, with all the craftsmanship that more than 150 years of Smith & Wesson gunmaker experience can muster.
The Smith & Wesson M&P-15 series is a direct impingement, gas-operated semiautomatic .223/5.56mm design. It features chrome-lined bores, chambers, bolt carriers, and gas keys. The chamber specification is 5.56mm NATO dimension, and the rifling twist is 1:9. The upper and lower receivers are fabricated from 7075 T6 aluminum, manufactured in the U.S. by an independent contractor to Smith & Wesson's specifications. The machining, assembly, and final-fit matching of the parts are done by hand in S&W's plant.