1995, 6p53, 9 × 21 mm, and, arr, chuck, designers, destination, developed by, efficiency, grau, gun, i.v.belyaevym, increased, index, p.i.serdyukovym, power, program, r & d, rook, self-loading, serdyukov, special, sps, sr1m, tsniitochmash, under, units