Sig Sauer P220 .45acp in a .460 Rowland conversion.This is a double action semi auto pistol that has been professionally converted to a .460 Rowland at the their facility in Tulsa, Oklahoma. All springs which consist of the guide rod and 4 eight round magazines are custom in order to shoot both .45acp and .460 Rowland. Original Sig .45acp barrel also included. Pistol is super clean, reliable and powerful. This is almost like shooting a .44 Magnum out of a semi auto. Must have FL dl/CCW if you do not have a CCW than we must do an FFL transfer. Please text 70two-six19-808seven