The 223 Wylde caliber Alex Pro Firearms Slim Carbine is a compelling, well-balanced gun that packs rich features into an affordable package that includes a 16” barrel, and A2 birdcage flash hider. This Slim Carbine has an M16 nitrided bolt carrier group and a carbine-length gas system. These work in conjunction with a 16” long phosphate finished barrel made of 4140 chrome moly alloy. The 1:9” twist ratio barrel has a M4 contour. Surrounding the barrel is a short M-LOK slot handguard. This Slim Carbine has a single-stage mil-spec trigger. The standard A2 pistol grip is an inexpensive polymer classic that features checkering on the sides and long vertical serrations at the back. The APF (Alex Pro Firearms) Slim FF Carbine delivers high performance, reliability, and accuracy in a durable AR-15 platform. It comes chambered in 5.56 Nato / .223 Wylde / 223 Remington with a 16" barrel. Features include an A2 birdcage muzzle device, a mil-spec 6 position stock and a mil-spec A2 grip, a 15" free float handguard, and a burnt bronze finish. APF (Alex Pro Firearms) PRODUCTS ARE 100% MADE IN THE USA TO ENSURE THAT YOU ARE GETTING THE BEST PRODUCTS ON THE MARKET. THESE PRODUCTS ARE MANUFACTURED AND TESTED TO THE HIGHEST QUALITY STANDARDS BY THE AMERICAN WORK FORCE.