Radical Firearms Fp105556m410rprbmpsb 5.56x45mm Nato 10.50 inch Pistol

The Radical Firearms FP105556M410RPRBMPSB is a 5.56x45mm NATO semi-auto pistol built for shooters who want rifle-caliber performance in a compact, tactical package, and it requires an FFL transfer for purchase. The 10.50" barrel situates this model in the short-barrel pistol category, offering fast handling for close-quarters training, urban carry under state law where compliant, and carbine-caliber defensive drills at the range; the shorter barrel shortens sight radius and improves maneuverability without abandoning the ballistic reach of the 5.56 round. As part of Radical Firearms' lineup, this FP1055 series entry emphasizes rugged construction and ergonomics for controllable recoil and rapid follow-up shots in semi-auto operation, making it well suited for competition stages that favor compact platforms, hunter training drills with AR-style controls, and professional users building a compact patrol or truck gun. Features like the 10.50" barrel length range and pistol configuration make clear the intended role and legal requirements, so buyers should plan for FFL processing and accessories tailored to short-barrel 5.56 pistols.