The Kel-Tec PR-57 is a new 5.7x28mm pistol introduced at Shot Show 2025. It features a unique top-loading system utilizing two 10-round stripper clips, allowing for a total capacity of 21 rounds in the grip. This design contributes to its exceptionally slim profile, less than an inch wide, and makes it the lightest 5.7 pistol on the market, weighing 13.8 ounces. The PR-57 also incorporates an RMSc optics plate, an accessory rail, and a rotating bolt system reminiscent of an AR-15 bolt, with dual guide rods for a low-profile slide.
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