Home Handguns 5.7x28mm
PSA Rock 5.7 5.7x28mm
5.7x28mm • Palmetto State Armory

PSA Rock 5.7 5.7x28mm

23
CAPACITY
4.7"
BARREL
1.6
LBS
Semi-Auto
ACTION
5.7x28mm
CALIBER
$499
MSRP

Full Specifications

Action Type Semi-Auto
Trigger Striker-Fired
Trigger Pull 3.5 lbs
Safety Trigger Safety
Optic Ready Yes
Magazines Included 2
Overall Length 8.07"
Barrel Length 4.7"
Height 5.35"
Width 1.25"
Weight 25.0 oz (1.56 lbs)
Frame Material Polymer
Frame Finish Black
Slide Material 416 Stainless Steel
Slide Finish QPQ
Barrel Material Carbon Steel
Barrel Finish QPQ
Twist Rate 1:9"
Grip Type Textured Polymer
Country of Origin USA

About This Firearm

The PSA Rock 5.7 is the cheapest way to own a 5.7×28mm pistol from an established manufacturer. At around $500 street, it is meaningfully less expensive than the S&W M&P 5.7 and Ruger-57. What you get is 23+1 capacity — the highest of any standard-format 5.7 pistol — a 3.5 lb striker-fired trigger, and an optic-ready slide, all in a Glock-pattern layout. Glock-compatible sights mean drop-in iron sight upgrades are cheap and widely available. The 416 stainless slide with QPQ finish is a reasonable choice for corrosion resistance at this price point.

PSA's quality control is the main variable. The company has a documented history of shipping guns that need inspection or minor adjustment before they run reliably. Owner reports on the Rock 5.7 are mixed in the expected PSA pattern: most guns work fine out of the box, a meaningful minority arrive with tight chambers, rough feed ramps, or finish inconsistencies. PSA's customer service has improved over the years and warranty turnaround is generally reasonable, but buyers should inspect the chamber, feed ramp, and slide-to-frame fit at delivery. If you find an issue, contact PSA before shooting it. Buy it if you want 5.7×28mm for under $500 and are comfortable with the PSA lottery. Skip it if you need a gun that will run reliably from round one without inspection — the Kel-Tec P50 and S&W M&P 5.7 have more consistent QC records at modestly higher prices.

Best For

GOOD
Range / Training
23+1 capacity means fewer mag changes per session, and the 3.5 lb trigger is the lightest on any standard-format 5.7 pistol. The QPQ-treated stainless slide handles range use well. At roughly $500 street, the Rock 5.7 has the lowest cost of entry into the 5.7×28mm cartridge from a named manufacturer.
FAIR
Home Defense
On paper, 23+1 capacity and an optic-ready slide make it a capable home defense gun. The concern is PSA's variable QC — a defensive firearm needs to function reliably from round one, and the Rock 5.7 requires more buyer-side inspection than the Ruger-57 or S&W M&P 5.7. If you buy one for home defense, verify reliability with at least 100 rounds before trusting it for that role.

Strengths & Limitations

Strengths
  • 23+1 capacity is the most of any standard-format 5.7 pistol — 3 more rounds than the FN and Ruger, 1 more than the S&W M&P 5.7.
  • The 3.5 lb trigger ties the Kel-Tec P50 for the lightest pull in the 5.7 category, and it ships in a standard pistol format that most shooters find intuitive immediately.
Limitations
  • PSA quality control is the well-documented tradeoff for the $500 price. Community forums consistently report a meaningful percentage of Rock 5.7s arriving with tight chambers, rough feed ramps, or fitment issues. Most are fixable; a few require a return trip.
  • No holster ecosystem. PSA is not a legacy manufacturer with decades of holster development. OWB and IWB options exist but are limited compared to what FN, Ruger, and S&W have behind them.
  • Carbon steel barrel with QPQ finish is adequate, but it is a step down from the Armornite stainless in the M&P 5.7 for long-term corrosion resistance if the gun is stored or carried in humid conditions.

Category Rankings

How the PSA Rock 5.7 5.7x28mm ranks among full-size 5.7x28mm handguns.

Capacity
#2 of 7
Top 29%
23 rds
Weight
#2 of 7
Top 29%
1.6 lbs
Barrel
#7 of 7
Top 100%
4.7"
Trigger Pull
#1 of 6
Top 17%
3.5 lbs
MSRP
#1 of 7
Top 14%
$499
Overall Length
#1 of 7
Top 14%
8.07"

Compatible Ammunition

Find the best prices on compatible 5.7x28mm ammunition.

Shop 5.7x28mm Ammo →

Ballistics Calculator

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Where to Buy

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Alternatives to Consider

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NAME BEST PRICE
Smith & Wesson M&P 5.7 5.7x28mm
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FN Five-seveN MK3 MRD 5.7x28mm
FN America
Ruger-57 5.7x28mm
Ruger
Tisas PX-5.7 FO 5.7x28mm
Tisas
Diamondback DBX 5.7x28mm
Diamondback

Frequently Asked Questions

What should I inspect when my PSA Rock 5.7 arrives?

Before shooting: check the chamber for tight spots by slowly inserting and removing a dummy round or snap cap. Run your fingernail along the feed ramp — it should be smooth with no tooling marks. Rack the slide 20-30 times to check for binding against the frame. Inspect the QPQ finish on the slide for any bare spots or machining marks. If you find any of these issues, contact PSA customer service before firing the gun — they have a documented warranty process and most problems are fixed under warranty at no charge.

Does the PSA Rock 5.7 accept standard 5.7×28mm ammunition or only PSA-branded loads?

The Rock 5.7 chambers standard commercial 5.7×28mm ammunition from any manufacturer — FN, Federal, Speer, and others all work. There is no PSA-branded 5.7 ammunition. The main ammo consideration is that some early Rock 5.7 units had tight chambers that caused extraction issues with certain brass; if you experience failures to extract, try a different manufacturer's brass before concluding the gun is defective.