Kel-Tec PR57 5.7x28mm
Model: PR57BLK
Kel-Tec PR57 5.7x28mm
Model: PR57BLK
Full Specifications
About This Firearm
The Kel-Tec PR57 is a hammer-fired double-action 5.7x28mm pistol built for concealed carry. It has an MSRP of $400, and it has no detachable magazine at all. Twenty rounds go into the grip through the top of the gun, which is how a 5.7 ended up weighing 13.86 oz.
Two ten-round stripper clips and an optics plate come in the box, so the slide takes a dot without another purchase, and the clips load ten rounds at a time. The barrel is 4 inches and rotates to unlock, the receiver is aluminum with a polymer grip frame, and the slide is hard-anodized aluminum. The trigger is a 4.5 lb double-action pull with no manual safety behind it, held instead by a hammer block. At 7.16 inches long, 5 inches tall and 0.94 inches across, it is single-stack-9mm size with a 20-round count.
If you're cross-shopping, the Ruger-57 has an MSRP of $549 and carries the same 20 rounds, but it weighs 10.64 oz more. The FN Five-seveN MK3 MRD has an MSRP of $1,509, with an adjustable rear sight and a detachable magazine the PR57 does not have.
Best For
Strengths & Limitations
- Kel-Tec builds it in Wyoming.
- No magazines to buy, lose or wear out, and no magazine spring to take a set in storage.
- The optics plate is in the box, so the slide takes a dot with nothing further to buy.
- The internal magazine cannot be topped off from a spare on a belt; a reload means feeding clips through the top.
- Cutting mass out of a 5.7 pistol means the cartridge's impulse arrives sharper than it does in the heavier guns.
- A long double-action stroke takes practice for anyone arriving from a striker-fired carry gun.
Ballistics Calculator
Calculate trajectory, drop, and energy for 5.7x28mm ammunition.
5.7x28mm Ballistics →Where to Buy
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Frequently Asked Questions
How does loading work?
The gun opens at the top and rounds go into the grip through the ejection port, either pushed in singly or swept off a stripper clip. Two clips fill it.
Why a rotary barrel?
It locks the breech while the pressure is high and unlocks by turning instead of tilting, which fits a high-pressure cartridge into a slide this small.
Is there a version that comes with a red dot?
Yes. Kel-Tec also sells a Defender package built on the same pistol with a Viridian green dot fitted, a holster and four stripper clips.
