MODERN WEAPON SYSTEMS

Modern Weapon Systems, we strive to give you world-class, friendly service, the best prices on around. We offer a HUGE selection of AR15 build parts, amazing selection of top tier weapons, complete NFA Class 3 buying experience like no other. We keep in stock a large supply of Silencers / Suppressors , Short Barrel Rifles , Short Barrel Shotguns, making the whole NFA process easy. We offer minor gunsmithing, laser engraving, including trigger jobs and more. We manufacture several high quality parts for several unique firearms and standard firearms available to order directly on our website. Dont give up on finding the gun no one else has, dont waste time shopping around all over St. Louis for the best prices, give us a call first.