The Ruger-57 is a semi-automatic pistol chambered in 5.7x28mm. At 24.50 oz (1.53 lbs) with a 4.94-inch barrel, it offers a 20+1 round capacity in a package that stays manageable. The silver Cerakote slide over a black polymer frame is a visual departure from most handguns in this class. 
 

Key Specifications 

• Brand: Ruger 
• Model: Ruger-57 
• Caliber: 5.7x28mm 
• Action: Double Action Only (DAO) 
• Capacity: 20+1 rounds 
• Barrel Length: 4.94 inches 
• Weight: 24.50 oz (1.53 lbs) 
• Finish: Silver Cerakote Slide with Black Polymer Frame 
   

Detailed Features 

The textured black polymer grip keeps the gun in hand during rapid fire. Fiber optic front sights with adjustable rear sights for windage and elevation make target acquisition fast in varying light. The double-stack magazine holds 20 rounds while staying narrow enough to not inflate the grip width significantly. 
 
The ambidextrous manual safety follows the 1911-style layout -- familiar to many shooters. Multiple internal safeties prevent accidental discharge. The steel barrel has a black nitride finish for wear resistance. 
 
The DAO trigger has a smooth pull with a positive reset, which is consistent shot to shot once you know what to expect from it. 
 

Usage 

The 5.7x28mm cartridge is known for flat trajectory and low recoil relative to its velocity. The 20+1 capacity and light felt recoil make the Ruger-57 useful for range work, home defense, and competitive shooting. The caliber has historically been harder to find and more expensive than 9mm, which is worth factoring into the ownership cost.

The Ruger-57 draws steady interest from shooters who want the 5.7x28mm cartridge in an American-made platform at a lower price point than the FN Five-seveN.

Accuracy gets consistent praise -- the flat-shooting 5.7 round, combined with the fiber optic sights and manageable recoil, produces tight groups at typical pistol distances. The 20+1 capacity is regularly mentioned as a highlight. Ergonomics are generally well-regarded: the grip feels comfortable and the controls fall naturally to hand.

The DAO trigger is the most divided point. Some shooters appreciate its consistent pull for safety reasons; others find it heavier or less crisp than SA or striker-fired triggers they prefer, which affects their accuracy at longer distances.

Ammo availability and cost come up in almost every discussion -- 5.7x28mm is not stocked as widely as 9mm, and the per-round price is higher, which adds up during practice. The Ruger-57's price relative to competing 5.7 pistols is debated, with opinions split on whether the feature set justifies the cost versus alternatives. Build quality is generally viewed as solid and consistent with Ruger's track record.