Radical Firearms RPR 5.56mm NATO 10.5in Black Modern Sporting Pistol - 30+1 - The Radical Firearms BTR 5.56 NATO 10.5" pistol is built for reliable performance, balanced handling, and practical versatility. Featuring an M-LOK handguard and polymer grip, it is designed to support smooth operation and consistent functionality for range use and recreational shooting. Built with attention to quality and usability, it delivers a durable and efficient platform in a compact configuration. Features Gas Operating System; A2 Flash Hider Muzzle; Aluminum Picatinny Rail Receiver; Threaded Barrel;