13 Products for military, law enforcement, hunting, sports, recreational, and personal shooting in the nature of firearms, firearm component parts and firearm accessories, namely, chassis, lower receiver, upper receiver, stocks, butt stocks, bipods, tripods, slings, rails, brakes, muzzles, suppressors, foregrips, grips, triggers, cases, holsters, buffer assemblies, namely, recoil buffers, buffer springs, buffer tubes, buffer bushings, and buffer weights, gas systems being direct impingement and piston gas systems, namely, gas blocks, pistons, gas tubes, gas regulators, gas keys, gas timing, volume valves, and pressure valves, chambers, barrels, receivers, handguards, and non-telescopic sights for firearms