Bar-Sto Precision Machine has been making the finest auto-pistol barrels since 1971. Bar-Sto barrels are used exclusively by the U.S. Marine Corps Marksman Unit since 1977. They have also been used to win every major pistol tournament worldwide, including Camp Perry, the U.S.P.S.A. Nationals, Steel Challenge, the Masters, and many more.

All Bar-Sto Pistol barrels are machined from solid stainless steel bar stock which has been heat treated to 180,000 PSI tensile strength. Barrels are machined, bored, and rifled completely in our own shop. Accuracy is excellent even when compared to target grade barrels. All barrels have a rate of twist of 1 turn in 16".


NEW - 40 Super Barrels - Bar-Sto Precision now offers 40 Super barrels for the Glock 21, Sig Sauer 220, and Colt 1911. Price for standard 5" barrel, bushing, link, & pin $195.00, delivery included. Normal delivery, if not in stock, 6-8 weeks. Call for different lengths.

Make, Model, Ramp

Fitted Semi-drop in


Bar-Sto Precision does not do trigger work.
All 38 Super and 9mm barrels have conventional chamber with standard leads.

Semi-drop in barrels generally do not require fitting and will provide a tighter fit than the factory barrel. Accuracy resulting in 1 3/4" to 2" max at 25 yards using match grade ammo. Most of our semi drop in barrels will drop-in without fitting. But due to the close tolerance that we hold, some barrels may require minor modification. If an adjustment is necessary, please send barrel, slide and $15.00 for return shipping. If you wish to send the complete gun, please include $25.00 for shipping. Please call before shipping.

Fitted barrels exterior dimension are oversized and must be fit to your gun by a gunsmith and will provide the tightest fit possible. Accuracy resulting in 1 1/2" or better at 25 yards using match grade ammo.

Bar-Sto offers secure, on-line ordering with the ShooterNet shopping cart


Bar-Sto Precision Machine
73377 Sullivan Road
P.O. Box 1838
Twentynine Palms, CA 92277
760-367-2747......760-367-2407 fax