MAGAZINE RUGER-57 5.7x28 10RD 90701 Manufacturer Model Number: 90701 Manufacturer: Ruger Model: Ruger-57 Magazine Caliber: 5.7 x 28mm Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 10 Shipping Weight: 0.3 Optic Adjustable Objective: false Optic Reticle Illuminated: false