Hinterland Outfitters - Radical Firearms RF-15, Semi-automatic, 300 Blackout, 16 in Barrel, Heavy Barrel Contour, 1:8 Twist, B5 Bravo, B5 Grip, A2 Flash Hider, 15 in RPR M-LOK Handguard, 1 Magazine, 30Rd, Black RF00061