Fully compatible with a wide variety of FN firearms, including the Five-seveN® pistols, FN PS90® carbines, FN P90® submachine guns, and the Ruger 57. The 5.7x28mm cartridge has been specially tailored to excel in several specialized roles. The SS197SR, distributed in the U.S. by Federal Cartridge Company, is ideally suited for sports and training applications. $60 each box, have 2 boxes to sell
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