Ruger-57 5.7x28mm Semi-Auto Pistol, 5" Barrel, 20+1 Capacity, Adjustable Sights, Black — 2020, Two 20-Round Magazines, Case
This Ruger-57 pairs the high-velocity 5.7x28mm chambering with a 5" alloy-steel, black-nitrided barrel and a full-size, lightweight glass-filled nylon frame. It features a delayed-blowback Secure Action with an internal hammer, a green fiber-optic front sight, and a fully adjustable rear sight. This example includes two factory 20-round magazines and the Ruger hard case, and is identified as Ruger part number 16401, manufactured in 2020 in the USA.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: There are moderate signs of wear on the frame and grips. The slide shows minor scuffing and use wear.
What’s Included
- Ruger-branded factory molded plastic hard case
- Two Ruger factory steel 20-round magazines marked 5.7x28
Chambered in 5.7x28mm, this pistol offers a 20+1 capacity with two factory magazines. The 5" alloy-steel barrel has a black nitride finish, a 1:9" RH twist, and eight grooves, providing durable bore protection and clearly defined rifling. The slide is finished in black oxide and includes front and rear serrations plus a top lightening window.
The sighting system is set up with a green fiber-optic front and a fully adjustable, serrated square-notch rear. These sights complement the pistol’s full-size proportions—8.65" overall length, 5.60" height, and a 1.20" slide width—while keeping the sight picture clean.
Ruger’s Secure Action uses a delayed-blowback system with an internal hammer and a bladed trigger. Safety features include an ambidextrous manual safety and a trigger safety. The pistol will fire without a magazine inserted, as it has no magazine disconnect.
The black, glass-filled nylon frame keeps weight to 24.5 oz and incorporates a Picatinny-style accessory rail on the dust cover. This example is Ruger mfg part number 16401, made in the USA, with an MSRP of $549. The full-size grip features textured panels with the Ruger phoenix logo for secure handling.



