Ammunition Storage Components LLC or ASC is the premier manufacturer and supplier of AR magazines to the rifle industry. They provide the different capacities of aluminum and stainless steel in .223/5.56 6.8 SPC 6.5 Grendel .308 7.62 x 39 5.45 x 39 and 9mm for the AR15 M-16 and M-4 family of rifle. ASC goes above and beyond current industry standards to ensure the quality of our magazines are second to none. Specifications for Ammunition Storage Components AR 308 Win SR25 5 Round Rifle Magazine: Manufacturer: Ammunition Storage Components Finish: Stainless Steel Fabric/Material: 410 Series Stainless Steel Magazine Capacity: 5 Round Caliber: .308 Winchester Gun Make: AR Platform Gun Model: SR-25 Quantity: 1 Condition: New Features of Ammunition Storage Components AR 308 Win SR25 5 Round Rifle Magazine: 300 Series SS Floor plate with Black Oxide Coating for Corrosion Resistance Chrome Silicon Springs Enhanced Anti-tilt Polymer Followers with PTFE Heat treated Package Contents: Ammunition Storage Components AR 308 Win SR25 5 Round Rifle Magazine