Sig Sauer115718362
Sig Sauer P229 Conversion Barrel - .40 S&W to .357 Sig, 3.9" Steel Blue, 1 in 16" Twist$164.38
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Availability: In Stock
Current Stock: Out of stock
The Sig Sauer P229 conversion barrel lets you swap calibers without buying a second pistol. This 3.9" steel blue barrel converts your P229 from .357 Sig to .40 S&W, giving you flexibility to train, compete, or carry with different ammunition — all in the same frame. It's a smart move if you want to extend what your P229 can do without the expense of a whole new gun.
Sig Sauer factory barrels are built tough. This one is heat-treated for the durability you need in a duty or defensive pistol, whether you're running it at the range, in competition, or as a carry piece. The 1:15 twist rate is optimized for .40 S&W ballistics. Swap it in, and you're ready to go — just make sure your P229 doesn't have a loaded chamber indicator, as this barrel isn't compatible with that feature.
Installation is straightforward if you know your way around a pistol takedown. This is a genuine Sig component, not an aftermarket clone, so you get the fit and finish Sig owners expect. Whether you're building out a dedicated training setup or adding versatility to your carry gun, a conversion barrel is one of the smartest upgrades you can make.
| Barrel Length | 3.9" |
| Caliber Conversion | .357 Sig to .40 S&W |
| Twist Rate | 1:15 |
| Finish | Steel Blue |
| Material | Heat-Treated Steel |
| Compatible Platform | Sig Sauer P229 |
This barrel is not compatible with P229 pistols that have a loaded chamber indicator. If your P229 has that feature, you'll need to verify compatibility before purchasing. For standard P229 models without the indicator, installation is straightforward.
You receive the barrel only. Installation requires standard pistol takedown tools and knowledge. If you're unfamiliar with barrel replacement, have a gunsmith handle it.
Yes. Once installed, the barrel performs like any factory Sig barrel. Your use case — training, competition, or defensive carry — depends on your ammunition choice and local laws, not the barrel itself.
This is a genuine Sig Sauer factory barrel with Sig's heat-treatment and quality control. You're getting the same component Sig uses in their factory P229 builds.
SKU: 115861257 • Width: 4in • Height: 1.5in • Depth: 9.5in • Weight: 0.5oz
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer P229 conversion barrel lets you swap calibers without buying a second pistol. This 3.9" steel blue barrel converts your P229 from .357 Sig to .40 S&W, giving you flexibility to train, compete, or carry with different ammunition — all in the same frame. It's a smart move if you want to extend what your P229 can do without the expense of a whole new gun.
Sig Sauer factory barrels are built tough. This one is heat-treated for the durability you need in a duty or defensive pistol, whether you're running it at the range, in competition, or as a carry piece. The 1:15 twist rate is optimized for .40 S&W ballistics. Swap it in, and you're ready to go — just make sure your P229 doesn't have a loaded chamber indicator, as this barrel isn't compatible with that feature.
Installation is straightforward if you know your way around a pistol takedown. This is a genuine Sig component, not an aftermarket clone, so you get the fit and finish Sig owners expect. Whether you're building out a dedicated training setup or adding versatility to your carry gun, a conversion barrel is one of the smartest upgrades you can make.
| Barrel Length | 3.9" |
| Caliber Conversion | .357 Sig to .40 S&W |
| Twist Rate | 1:15 |
| Finish | Steel Blue |
| Material | Heat-Treated Steel |
| Compatible Platform | Sig Sauer P229 |
This barrel is not compatible with P229 pistols that have a loaded chamber indicator. If your P229 has that feature, you'll need to verify compatibility before purchasing. For standard P229 models without the indicator, installation is straightforward.
You receive the barrel only. Installation requires standard pistol takedown tools and knowledge. If you're unfamiliar with barrel replacement, have a gunsmith handle it.
Yes. Once installed, the barrel performs like any factory Sig barrel. Your use case — training, competition, or defensive carry — depends on your ammunition choice and local laws, not the barrel itself.
This is a genuine Sig Sauer factory barrel with Sig's heat-treatment and quality control. You're getting the same component Sig uses in their factory P229 builds.
SKU: 115861257 • Width: 4in • Height: 1.5in • Depth: 9.5in • Weight: 0.5oz