Radical Firearms FP75556M47RPRBTR RPR 5.56 NATO 30+1 7.50" Black Melonite Threaded Barrel, M-LOK Handguard, Black Anodized Aluminum Receiver w/Picatinny Rail, Black Polymer Stock, Black Polymer Grip

The Radical Firearms 10.5" HBAR 300BLK AR pistol uses MIL-STD Upper and lower receivers along with our 10" RPR free float rail system for increase accuracy, keeping your hands cool, and giving you plenty of room for accessories.