Kel-Tec P50 5.7x28mm Large-Format Pistol, 9.6 in Threaded Barrel, 50+1, Full-Length Top Picatinny Rail, 4x 50-Rd Magazines, TANDEMKROSS PRO2 Brake
This Kel-Tec P50 stands out with its 50+1 capacity using FN P90-pattern top-mounted magazines, top ejection, and a factory 9.6 in threaded barrel. It features a full-length top Picatinny rail, a short lower accessory rail, and a vented shroud. A TANDEMKROSS PRO2 .22LR muzzle brake is installed on the 1/2x28 barrel, and the package includes four 50-round magazines plus a bench-style magazine loader.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light handling marks are present on exterior surfaces visible under close inspection. Please review the photos for a complete view of the condition.
What’s Included
- KelTec P50 owner's manual
- Bench-style magazine loader for P90/P50 magazines
- 4 x 50-round P90-pattern top-loading magazines (polymer bodies marked 5.7x28)
- TANDEMKROSS PRO2 .22LR muzzle brake (installed)
The P50 is a semi-automatic, straight-blowback pistol chambered in 5.7x28mm. It uses FN P90-pattern top-mounted magazines, delivering a capacity of up to 50+1 rounds with top ejection for a distinctive layout.
The factory 9.6 in barrel is threaded 1/2x28 TPI and is paired here with an installed TANDEMKROSS PRO2 .22LR muzzle brake. Surrounding the barrel is a vented shroud with circular lightening holes that complements the pistol's large-format profile.
A full-length top Picatinny rail runs the length of the receiver, and a short lower accessory rail provides additional mounting space. The pistol incorporates a manual safety and Kel-Tec logo molded grip panels.
The polymer-framed P50 wears a matte black finish and is marked on the receiver with: "KEL-TEC INC COCOA FL / P50 PISTOL 5.7x28mm / Made in the USA Patents Pending." This example includes four 50-round magazines and a bench-style loader for efficient magazine filling.




