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Mfg Item #: FP75556M47FCRSBA3
The Radical Firearms 7.5" M4 profile 5.56mm AR Pistol uses MIL-STD Upper and lower receivers along with a 7" FCR free-float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. It utilizes a SB-Tactical SBA3 5-position adjustable pistol brace.