Manufactured by Magnum Research of Minneapolis, Minnesota with the extended target barrel. All other markings and features are standard. Includes both .44 magnum and .357 magnum conversion parts including 10 inch barrels, respective magazines, and a bolt for the .357 magnum conversion, as .50 AE and .44 magnum will use the same bolt. Includes a black plastic hard case for the pistol and conversion parts. Also included are the boxes for the conversion parts, and the original box for the pistol with papers.