A magazine mounting platform having at least one mounting fixture for insertion into the magazine compartment of a firearm thus securing the firearm in place. The magazine mounting fixture may include at least one dowel pin operable for insertion into receivers on the platform. Some embodiments may also include a rotational adapter which allows for a firearm mounted on the fixture to be rotated. Risers may be included to provide additional support for a firearm by securing in place a barrel or a stock. Some embodiments may include magazine mounts for M4 carbine type, AR rifle type or Model 1911 pistol type firearms.