MAGAZINE M1A 308WIN 20RD Manufacturer Model Number: MA5021 Manufacturer: Springfield Armory Model: M1A Magazine Caliber: 7.62 x 51mm | 308 Win Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 20 rd. Finish: Parkerized Weight: .55 Shipping Weight: 0.551 Optic Adjustable Objective: false Optic Reticle Illuminated: false