Radical Firearms 10.50″ AR Pistol with 10″ RPR Rail

About this product

This Radical Firearms AR-format pistol is built on MIL-STD upper and lower receivers and uses a 10″ RPR free-float rail system to keep the handguard cool and provide ample room for accessories. The platform is configured with a compact 10.50″ barrel for maneuverability in confined or dynamic shooting scenarios while retaining a full-featured accessory interface. The pistol uses a polymer stock and polymer grip finished in black and includes a selector-style safety for familiar, intuitive operation.

Key Specifications

• The model designation is FP105762X39HBAR10RPRBM.
• The barrel measures 10.50 inches for compact handling.
• Features a 10-inch RPR free-float rail system for accessory mounting.
• Built with MIL-STD upper and lower receivers for standard compatibility.
• The magazine configuration is 20 + 1 capacity.
• Stock finish is Black on a polymer stock.
• The grip is made of black polymer for a consistent feel.
• Safety is a selector switch.

This compact, accessory-ready AR-format pistol pairs a short-profile barrel with a full-length free-float rail to create a balanced, configurable platform for range use and close-quarter applications. Its MIL-STD receivers and modular rail make it straightforward to outfit with optics, lights, and other accessories, while the polymer stock and grip keep weight down for easier handling.