Bar-Sto Conversion Barrel - Sig P239 9mm

All Bar-Sto Pistol barrels are machined from solid stainless steel bar stock which has been heat treated 39 to 43 RC this gives 180,000 PSI tensile strength. Barrels are machined,and rifled completely in our own shop. Accuracy out of our barrels properly fitted can be 1" or better at 25yrds. All barrels have a rate of twist of 1 turn in 16".

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