KELTEC KP50 5.7X28MM 9.6″ 50RD BLK

About this product

The KelTec KP50 is a 5.7x28mm semi-automatic pistol featuring a 50-round bottom-fed magazine that delivers compact high-capacity performance ideal for range training and home defense applications. This platform maintains reliability through KelTec's direct blowback operation and ships ready for stock or brace attachment, though NFA compliance remains the buyer's responsibility. At 9.6 inches in length and 3.4 pounds unloaded, it balances firepower with manageable handling despite its unconventional magazine orientation.

What is the KelTec KP50 used for?

The KP50 serves best as a high-volume range pistol or short-range defensive tool where 50 rounds of 5.7x28mm offer sustained engagement capability. I deploy it primarily for transition drills and rapid magazine change practice, though the cartridge's armor-penetrating potential makes it unsuitable for some jurisdictions. Compared to our Stevens 334 .308 bolt-action, this pistol favors speed over precision at distances beyond 50 yards.

How does the KelTec KP50 compare to the FN Five-seveN?

The KP50 delivers twice the magazine capacity at half the price point of FN's Five-seveN, trading ergonomic refinement for raw firepower economics. Where FN uses a locked breech system for smoother recoil, KelTec's blowback operation increases felt impulse but reduces manufacturing cost to $799.99 versus $1,200+ for the FN platform. For budget-conscious shooters wanting maximum round count, this KelTec dominates; for those prioritizing shootability, the Five-seveN's balanced design remains superior.

What does it weigh and what are the dimensions?

Unloaded weight sits at 3.4 pounds (1.54 kg) with magazine inserted, measuring 9.6 inches in length and 7.2 inches in height. The barrel length spans 9.6 inches with a 1:8.5 twist rate optimized for 5.7x28mm projectile stability. These dimensions place it squarely in pistol-length territory, though the weight distribution feels forward-heavy during extended strings of fire due to the bottom-loaded magazine design.

Who is this NOT for?

Avoid this platform if you require concealed carry capability or prioritize minimal administrative handling, as the 50-round magazine protrudes 5 inches below the grip. The 5.7x28mm ammunition costs approximately $0.80 per round versus $0.30 for 9mm, making sustained training economically prohibitive for high-volume shooters. Jurisdictions restricting armor-piercing cartridges may prohibit ownership entirely, so verify local regulations before purchase.

What's in the box?

Packaging includes one KP50 pistol, one 50-round polymer magazine, and a cable lock complying with federal safety requirements. Unlike our Stevens 555 shotgun packages, no optic mount or additional accessories ship standard. Total unboxing time averages 90 seconds, with the pistol requiring field stripping and lubrication before first range session.

Is the KelTec KP50 worth it at $799.99?

At $799.99, this pistol justifies its cost through unmatched 50-round capacity and reliable direct blowback operation that withstands intensive range use. You're paying for functionality over refinement—the polymer construction shows mold lines and the trigger breaks at 7.5 pounds with noticeable creep. For shooters wanting maximum firepower without custom builds, this represents fair value; for those demanding fit and finish, consider upgrading to higher-tier platforms.