KelTec releases their PR57 pistol and SUB2000 rifle in 5.7x28mm as the need grows for more firearms In this particular one of a kind and efficient cartridge.Great encounter Doing the job mybway aroubd the overflowing shelves, theough the maze of parts. So much Genuine surplus things alsoThis rugged five-shot bolt-action rifle, chambered in 7.62x54m