ProMag Ruger-57 5.7x28mm 20-Round Magazine- Blue Steel

Year after year, ProMag has increasingly become one of the world’s leading manufacturers of firearms magazines. Gun enthusiasts and law enforcement personnel have agreed, be it for recreational “plinking”, competition shooting, or law enforcement, Promag is the source you can count on.

Technical Information:

• Caliber: 5.7x28mm
• Capacity: 20 Rounds
• Gun Model: Ruger-57 5.7x28MM pistols
• The magazine body is constructed of heat-treated steel with a black oxide finish
• Injection-molded magazine follower
• Magazine spring formed from heat-treated chrome silicone wire