The SIG Sauer SSG 3000 comes in two barrel lengths, either 46 or 60 cm (18 or 23.5 inches). The Patrol models action is imported from Germany and mated to a USA made stock by SIG Sauer, NH. The SSG 3000 typically sold in the United States is known for having two stock options. The first stock was created by
McMillan USA and is a robust fiberglass aluminum design. The second stock design is an aluminum bedded composite stock, of an OEM design. Regardless of the country of final assembly, the SIG 3000 has the uncommon feature of a quick change barrel system. The barrel can be replaced in under 15 minutes by removing the stock and three screws using a 5 mm
hex key, and then properly reinserting the new barrel and screws. The 6 lug bolt is dimensioned for short and medium action cartridges,. As the modular barrel-change system allows changing between chamberings there are several vendors that make drop-in replacement barrels mostly based on the short action chambering standard in
6mm Creedmoor,
6.5mm Creedmoor,
.260 Remington (6.5-08 A-Square),
6.5×55mm (a medium action cartridge),
.308 Winchester, and other chamberings.. ==Users==