Bar-Sto Precision SF 5″ Government barrel in 45 ACP is a SEMI FIT barrel that generally require minor fitting. This barrel is designed to fit most all 1911/2011 pistols and includes a bushing, link and pin.
Bar-Sto Precision Machine has been making some of the finest auto-pistol barrels available since 1971. Bar-Sto barrels have been used by the U.S. Marine Corps Marksman Unit since 1977 as well as the U.S. Army Marksman Unit. They have also been used to win every major pistol tournament worldwide, including Camp Perry, the USPSA Nationals, Steel Challenge, the Masters, and many more.
All Bar-Sto Pistol barrels are machined from solid 416 stainless steel bar stock which has been heat treated 39 to 43 RC and 180,000 PSI tensile strength. Barrels are machined, bored, and rifled completely in our own shop. All barrels have a rate of twist of 1 turn in 16″.
If you buy a MT (Match Target) Barrel, it will require machining by a qualified gunsmith
If you buy a SF (Semi Fit) Barrel, it will require minor fitting by a qualified gunsmith