Shop BattleHawk Armory for the Radical Firearms 5.56 AR Rifles Built for years of reliable service, the Radical SOCOM Rifle is chambered in 5.56 NATO and features M4 feed ramps, a low-profile .750 gas tube, a 16" 4140 chrome molybdenum vanadium steel barrel with a black Melonite finish, a 1:7 twist, and a 1/2"-28 TPI A2 flash hider. A lightweight, thin profile, 12" RPR free-float handguard, with a full length Picatinny rail at the 12 o'clock position, and M-LOK slots provide plenty of room for the addition of lights, lasers, and other accessories to configure the Radical SOCOM to your needs. The mil-spec Type III anodized upper and lower receivers are forged from 7075-T6 aluminum. In addition to the B5 Type 23 pistol grip, the mil-spec receiver extension tube/buffer tube is fitted with a B5 Bravo 6-position stock. Radical Firearms Item Number: FR16-5.56SOC-12RPR Semi-Auto Rifle 5.56 NATO (Accepts .223 Rem) 30+1 Round Capacity 16" 4140 Steel Barrel Black Melonite Finish 1:7 Twist SOCOM Contour Barrel 1/2"-28 Threaded Barrel with A2 Flash Hider .750" Low Profile Gas Block Mid-Length Gas System M4 Feed Ramps Forged 7075-T6 Aluminum Lower Receiver Forged 7075-T6 Aluminum Flat Top Upper Receiver 12" RPR Free Float Rail System M-LOK Handguard B5 Bravo Stock B5 Type 23 Pistol Grip Mil-Spec Trigger Ambidextrous Safety Black Type III Anodized Finish