FN America SCAR 17S/20S Rifle Magazine 6.5 Creedmoor/308 Win/7.62x51mm NATO 20 Round Flat Dark Earth 1 Pack Steel 20RD. It is constructed of steel with a low-friction follower. Specifications for FN America SCAR 17S/20S 6.5 Creedmoor/.308 Win/7.62x51mm NATO 20 Round FDE Rifle Magazine: Manufacturer: FN America Color: Flat Dark Earth Fabric/Material: Stainless Steel Magazine Capacity: 20 Round Caliber: .308 Winchester Gun Make: FN Herstal Gun Model: FN SCAR 20S FN SCAR 17S Package Contents: FN America SCAR 17S/20S 6.5 Creedmoor/.308 Win/7.62x51mm NATO 20 Round FDE Rifle Magazine What firearm models does the manufacturer say FN America SCAR 17S/20S 6.5 Creedmoor/.308 Win/7.62x51mm NATO 20 Round FDE Rifle Magazine is compatible with? The manufacturer says that FN America SCAR 17S/20S 6.5 Creedmoor/.308 Win/7.62x51mm NATO 20 Round FDE Rifle Magazine is compatible with FN SCAR 17S FN SCAR 20SFN America 98890-20RD: SCAR 17S/20S Rifle Magazine 6.5 Creedmoor/308 Win/7.62x51mm NATO 20 Round Flat Dark Earth 1 Pack Steel