The GSCH 18 pistol is in successful use by special forces,FSB and OMON since 2003.
The russian army introduced the PYA pistol, a simple Browning patent.
The cartridge is loaded with the 1987 developed AP bullet. A gilding metal jacket with a casehardened steel core. The different ammotypes where called PBP,7H21 or 7P31.
The bullet weight is 4,2 gramms ( 65 grains) and the MV is very high at 600 m/sec
The current developement used a jacket that let most of the core uncovered outside the case.