Ruger-57 5.7x28mm Full-Size Pistol, 5 in Barrel, 20+1, Fiber-Optic/Adjustable Sights, Black — SKU 16401
This Ruger-57 is the standard SKU 16401 configuration chambered in 5.7x28mm, built around a delayed-blowback Secure Action with an internal hammer and a 20+1 capacity. It pairs an alloy-steel, black-nitride 5 in barrel with a through-hardened billet alloy-steel slide finished in black oxide, all set in a black, glass-filled nylon frame. The pistol was manufactured in 2020 in the USA and comes with two factory 20-round magazines and a Ruger hard case.
The sighting system uses a green fiber-optic front and a fully adjustable black rear, while the slide features forward and rear cocking serrations and a top lightening window. A full-length Picatinny-style accessory rail, ambidextrous manual thumb safeties, and a left-side magazine release round out a feature set that emphasizes control, capacity, and practical setup.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor evidence of prior handling is visible on exterior surfaces. The chamber is clean.
What’s Included
- Ruger factory hard case with Ruger logo
- Two (2) Ruger-57 20-round factory steel magazines
The Ruger-57’s operating system is a delayed blowback with Ruger’s Secure Action internal hammer, giving this full-size 5.7x28mm a consistent trigger system and stout lockup. Capacity is 20+1, using factory Ruger magazines specific to the platform.
The 5 in alloy-steel barrel wears a black nitride finish and uses rifle-style 1:9 RH rifling with 8 grooves. Its through-hardened billet alloy-steel slide has a black oxide finish with forward and rear cocking serrations and a top lightening window.
The black frame is high-performance glass-filled nylon with a textured grip and Ruger eagle medallion. A full-length Picatinny-style accessory rail is molded into the dust cover for mounting compatible lights or accessories.
Controls include ambidextrous 1911-style manual thumb safeties, a trigger safety, and a left-side magazine release; the frame marking indicates no magazine disconnect. Sights are a green fiber-optic front with a fully adjustable black rear. Dimensions are approximately 8.65 in overall length, 5.60 in height, 1.20 in slide width, and 24.5 oz in weight.