Radical Firearms RF-15, Semi-automatic, 223 Rem/556NATO, 16 SOCOM Contour Barrel, 1:7 Twist, Mid Length Gas System, A2 Flash Hider, 15 RPR M-LOK Handguard, B5 Stock, B5 Grip, 1 Magazine, 30Rd, Black RF00028

The Radical Firearms 16" SOCOM 5.56mm AR rifle uses MIL-STD upper and lower receivers along with a 15" RPR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories.