Maxim Defense PDX 505-SPS 300 Blackout, 5.5″ Barrel, Urban Gray Rec, Black M-Lok Handguard, 20rd

The Maxim Defense PDX 505-SPS in 300 Blackout is a high-performance, ultra-compact pistol designed for superior maneuverability without sacrificing power. Featuring a 5.5-inch barrel, this PDX model delivers optimal ballistic performance in a small package, making it ideal for home defense, tactical use, or suppressed shooting. The Urban Gray receiver paired with a sleek black M-LOK handguard ensures a modern, rugged aesthetic while providing enhanced grip and accessory mounting options.

Built for reliability, the PDX 505-SPS utilizes a short-stroke piston system, reducing recoil and improving durability in harsh conditions. The Maxim Defense CQB stock/brace-compatible receiver extension offers a compact footprint, allowing for easy storage and rapid deployment. Included is a 20-round magazine, ensuring ample capacity for engagements while maintaining a low profile.

This 300 BLK PDX is optimized for both supersonic and subsonic ammunition, making it a versatile choice whether running suppressed or unsuppressed. The M-LOK handguard allows for effortless attachment of lights, lasers, and grips, while the 1:7 twist rate barrel ensures exceptional accuracy with a variety of bullet weights.

Whether you need a close-quarters PDX pistol for defense or a compact 300 Blackout platform for tactical applications, the Maxim Defense PDX 505-SPS delivers unmatched performance in a lightweight, space-saving design. Perfect for those who demand precision, reliability, and cutting-edge design in a compact firearm.