.357 SIG

The .357 SIG pistol cartridge is the product of Swiss-German firearms manufacturer SIG Sauer, in cooperation with American ammunition manufacturer Federal Cartridge. The cartridge is used by a number of law enforcement agencies and has a good reputation for accuracy. Wikipedia
 
Bullet diameter9.02 mm (0.355 in)
Maximum pressure (SAAMI)275.8 MPa (40,000 psi)
Case length21.97 mm (0.865 in)
Maximum pressure (C.I.P.)305.0 MPa (44,240 psi)
Case capacity1.27 cm3 (19.6 gr H2O)
Parent case.40 S&W
Neck diameter9.68 mm (0.381 in)