Ruger 57

The Ruger-57 uses its own proprietary 20-round steel magazine and is not compatible with FN Five-seveN magazines. Ruger designed the magazine specifically for this model, and it is a double-column configuration feeding the 5.7x28mm cartridge.

The Ruger-57 was introduced in 2020 and brought a significantly lower price point to the 5.7x28mm pistol market, typically retailing around $600 to $800 compared to the FN Five-seveN's higher price tag. The Ruger uses a polymer frame with an internal hammer and an included Ruger optic mount plate for red dots, while the FN uses a hammer-fired system as well but has a longer established reputation in this caliber.

The Ruger-57 fires the 5.7x28mm cartridge, which produces low recoil and offers high capacity with its 20-round magazine, making it controllable in rapid fire. However, the terminal ballistics of 5.7x28mm loads from a pistol-length barrel are a subject of debate, and many consider traditional 9mm hollow-point loads to be more proven for defensive use.

Yes, the Ruger-57 ships with an included Ruger optic mount plate that fits the factory dovetail, allowing direct mounting of popular micro red dots like the Burris FastFire series. The plate is included with the pistol at purchase.