ProMag Magazine, 308 Winchester, 20 Rounds, Fits SCAR 17, Polymer, Black FNH-A4 ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality. 20 - Round Capacity Precise Manufacturing Long Term Reliability Durable Polymer Construction Additional Information SKU MGPMFNH-A4-cnNyZmVlZA UPC 708279011924 Weight 0.50 LBS Capacity 20Rd Fit SCAR 17 Caliber 308 Winchester Manufacturer Part No FNH-A4 Type Magazine Sub Category Rifle Magazines Color Black