The Maxim Defense PDX SPS-505 in 7.62x39mm is a high-performance, ultra-compact rifle designed for superior maneuverability without sacrificing stopping power. Featuring a short 5.5″ barrel, this PDX model delivers exceptional handling in close-quarters scenarios while maintaining reliable performance. The M-Lok handguard ensures lightweight modularity, allowing for easy attachment of optics, lights, and grips to customize your setup. Built with a robust black finish, the PDX SPS-505 combines durability with a sleek, tactical aesthetic. Its compact design is enhanced by Maxim Defense’s proprietary short-stroke piston system, reducing recoil and improving cycling reliability—even with the potent 7.62x39mm cartridge. The included 20-round magazine