Palmetto State Armory PSA Rock 5.7 5.7x28mm Full-Size Pistol with Riton 3 Tactix MPRD 2 Red Dot, Light Gray Slide, 4.7 in Barrel, 23+1
This PSA Rock 5.7 is a recent, full-size 5.7x28mm pistol configured with a factory optic cut and an installed Riton 3 Tactix MPRD 2 micro red dot. It pairs a light gray slide with a black polymer frame, a 4.7 inch barrel, and a 23+1 capacity. The pistol includes two 23-round steel magazines and features a multi-slot Picatinny accessory rail on the dust cover.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Shows little prior use. The bore is clean and shiny.
What’s Included
- Riton 3 Tactix MPRD 2 micro red dot sight (installed)
- Two 23-round steel magazines with witness holes (baseplates marked 5.7x28)
The slide wears a light gray finish and is cut for optics, with front and rear cocking serrations for positive manipulation. The Riton 3 Tactix MPRD 2 is slide-mounted and provides a red dot aiming point. The sight picture combines the red dot with a fixed front post; the rear iron is not visible due to the installed optic.
The black polymer frame is full-size with a textured grip for control and a multi-slot Picatinny accessory rail on the dust cover for lights or other compatible accessories. Controls include a left-side push-button magazine release and a flat-faced trigger with an integrated safety tab, complementing the pistol’s trigger safety system.
Chambered in 5.7x28mm, the Rock 5.7 uses a blowback action and feeds from 23-round steel magazines, delivering a 23+1 capacity with the 4.7 inch barrel. The magazines include witness holes and baseplates marked 5.7x28.
Markings include “5.7 ROCK” on the frame and “5.7x28” on the barrel hood, with manufacturer identification “Palmetto State Armory, West Columbia, SC.” A serial-number plate with QR code is located on the underside of the dust cover. Made in the United States.




