This Anderson Manufacturing AM-15 AR-15 rifle is chambered in 5.56x45mm NATO and features a 16-inch, 1:8 twist free-floating steel barrel with a black nitride finish. The barrel is equipped with an A2 flash hider, and the rifle includes a slimline M-LOK handguard with an anodized black finish. It is also fitted with a Magpul MOE pistol grip and a Magpul 1LX50 six-position adjustable stock. A full-length flat-top rail provides compatibility with most scope mounts and optic setups. Includes: Magazine(s): N/A Capacity: N/A Features: Manufacturer: Anderson Manufacturing Model: AM-15 Series: AR-15 Caliber: 5.56x45mm NATO Barrel Length: 16" 1:8 Twist Overall Length: 35.3" Length of Pull: 13.5" Upper Receiver Finish: Black Lower Receiver Finish: Black Barrel Finish: Nitride Black / Steel SKU# 323865 RR