Description
FO13 Features The Radical Firearms 13″ M4 Profile 5.56mm AR Pistol uses MIL-STD Upper and lower receivers along with our 12.5″ FCR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. FO13 Specifications Semi Auto Caliber: 5.56 Nato Handguard: 13″ Handguard: MLOK Fore Grip Magazine: 10
