So here are the specs;

200 grain bullet at a MV of 2330 fps and ME of 2400 ft. lbs.

bullet diameter .454", rim diameter .520", case diameter .478", overall case length 1.800", cartridge overall length (COL) 2.300". The official SAAMI maximum average pressure (MAP) is 65,000 psi!

It can also shoot the 454 Casull and the 45 Long Colt