Kel-Tec KP-50: 5.7x28 Pistol With 100-Round Mag
Kel-Tec KP-50: 5.7x28 Pistol With 100-Round Mag. Kel-Tec unveiled the KP-50 at NRA Houston 2026 — a 5.7x28 pistol with a side-folding brace and dual PS-90 magazines coupled for 100 rounds of onboard capacity. { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://greyhive.com#organization", "name": "Greyhive", "url": "https://greyhive.com", "description": "Greyhive is a censorship-resistant video platform for the firearms, 2A, hunting, and outdoor industries — where creators build, review, and monetize unfiltered content.", "logo": { "@type": "ImageObject", "url": "https://greyhive.com/static/uploads/images/ae198483-01c9-44b4-a16a-03f516ceaf66.svg", "width": 512, "height": 512 }, "sameAs": [ "https://x.com/greyhive", "https://www.instagram.com/greyhive/", "https://www.youtube.com/@Greyhive", "https://www.linkedin.com/company/greyhive/" ] }, { "@type": "WebSite", "@id": "https://greyhive.com#website", "url": "https://greyhive.com", "name": "Greyhive", "description": "Greyhive is a censorship-resistant video platform for the firearms, 2A, hunting, and outdoor industries — where creators build, review, and monetize unfiltered content.", "publisher": { "@id": "https://greyhive.com#organization" } }, { "@type": "Person", "@id": "https://greyhive.com/c/blue_collar_ballistics#person", "name": "Blue Collar Ballistics", "url": "https://greyhive.com/c/blue_collar_ballistics", "description": "Blue Collar Ballistics is a Greyhive creator producing original 2A, firearms, hunting, and outdoor content.", "image": "https://greyhive.com/lazy-static/avatars/8c2db6a9-4347-4a27-ac99-dee4c52c85e2.jpg" }, { "@type": "Article", "@id": "https://greyhive.com/blog/keltec-kp50-5-7-pistol-2026#article", "isPartOf": { "@id": "https://greyhive.com#website" }, "mainEntityOfPage": { "@id": "https://greyhive.com/blog/keltec-kp50-5-7-pistol-2026" }, "url": "https://greyhive.com/blog/keltec-kp50-5-7-pistol-2026", "headline": "Kel-Tec KP-50: 5.7x28 Pistol With 100-Round Mag", "name": "Kel-Tec KP-50: 5.7x28 Pistol With 100-Round Mag", "description": "Kel-Tec unveiled the KP-50 at NRA Houston 2026 — a 5.7x28 pistol with a side-folding brace and dual PS-90 magazines coupled for 100 rounds of onboard capacity.", "articleSection": "Gun Reviews", "articleBody": "Kel-Tec rolled into NRA Houston 2026 with the KP-50 , a 5.7x28 pistol that pairs two coupled PS-90 magazines for 100 rounds of onboard capacity, a side-folding brace, and a half-28 threaded barrel. It's the latest swing from a company that built its reputation on innovation the rest of the industry copies a year later. Josh from Kel-Tec walked through the new pistol with Chris Hammer of Blue Collar Ballistics on the show floor, breaking down the configuration, pricing, and where the KP-50 fits in Kel-Tec's lineup. The Defender package ships fully kitted at $1,350 , while the stripped model lands at $899 . Shipping is starting now. This is a meaningful release. The 5.7x28 cartridge has been gathering momentum since FN's PS-90 and Five-seveN built the platform, and recent entries from Palmetto State Armory and Ruger have widened the lane. Kel-Tec is now stacking onto that with a pistol that runs the same magazines as the PS-90 — and doubles them. Key Takeaways The Kel-Tec KP-50 is a 5.7x28 pistol unveiled at NRA Houston 2026, now shipping. It feeds from PS-90 magazines — two coupled together give 100 rounds of onboard capacity (50+50). The Defender package ($1,350) includes optic, flip-up sights, side-folding brace, B5 grip, and the 100-round jungle mag. Stripped model runs $899; barrel is threaded 1/2x28 for suppressor use. Compatible mags include factory FN, KCI, and ProMag — making feedi…