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Caliber
  1. .357 SIG.357 SIG (4)
  2. .40 S&W.40 S&W (4)
  3. .45 ACP.45 ACP (4)
  4. 9mm Luger9mm Luger (12)
  5. .22 LR.22 LR (1)

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Top Gun Supply

Barrel Thread Protector - .578-28

Thread protector for threaded barrels with threads .578-28. Fits SIG P220 Combat factory threaded barrel and any other barrels with .578-28 threads. These are manufactured by Top Gun Supply from aluminum to ensure complete protection of the threads on your expensive threaded barrel. Laser etched for easy identification
$19.95

Top Gun Supply

Barrel Thread Protector - 1/2-28

Thread protector for threaded barrels with threads 1/2-28. For use on Glock 9mm or smaller caliber barrels. These are manufactured by Top Gun Supply from aluminum to ensure complete protection of the threads on your expensive threaded barrel. Laser etched for easy identification
$19.95

Top Gun Supply

Barrel Thread Protector - M13.5 X 1LH

Thread protector for threaded barrels with threads M13.5 X 1LH. Fits SIG P226 9mm, P229 9mm, P239 9mm and P250 9mm factory threaded barrels as well as any other threaded barrels with the M13.5 X 1 LH threads. These are manufactured by Top Gun Supply from aluminum to ensure complete protection of the threads on your expensive threaded barrel. Laser etched to help identify the correct LH on direction.
$19.95

Sig Sauer

Sig 229-1 E2 Replacement Barrel - 9mm

Replacement barrel for your P229-1 E2 9mm. These are factory Sig Sauer drop-in barrels. Not for use in a 357SIG or .40S&W Slide. NOTE: This barrel will not fit standard P228/P229 9mm models.

* NOTE * All barrels may require minor fitting.

$169.95

Sig Sauer

Sig P220 Full Size Replacement Barrel - 9mm

Replacement barrel for your for your full size P220 9mm. These are factory Sig Sauer drop-in barrels. 4.4" in length.

* NOTE * All barrels may require minor fitting.

$199.95

Sig Sauer

Sig P239 Replacement Barrel - 9mm - THREADED

Factory Sig Sauer threaded barrel for your P239 9mm. Not for use in a 357SIG or .40S&W Slide. 13.5 X 1 LH Threads. Thread Protector Included. M13.5 X 1 LH Threads.

* NOTE * All barrels may require minor fitting.

$219.95

Sig Sauer

Sig P245 Replacement Barrel - .45 ACP

Replacement barrel for the P245 .45 ACP. These are factory Sig Sauer drop-in barrels.
* NOTE * All barrels may require minor fitting.
$169.95

Sig Sauer

Sig Sauer P220 Carry Replacement Barrel - .45 ACP

Replacement barrel for your for your P220 Carry .45 ACP. These are factory Sig Sauer drop-in barrels. 3.9" in length.
* NOTE * All barrels may require minor fitting.
$169.95

Sig Sauer

Sig Sauer P220/227 Full Size Replacement Barrel - .45 ACP

Replacement barrel for your for your full size P220/227 .45 ACP. These are factory Sig Sauer semi drop-in barrels. 4.4" in length. Barrel many differ from photo.

* NOTE * All barrels may require minor fitting.

$169.95

Sig Sauer

Sig Sauer P226 Conversion Barrel - .40 S&W

Converts your P226 from 357SIG to 40S&W or replaces your original .40S&W barrel. These are factory Sig Sauer drop-in barrels.

* NOTE * All barrels may require minor fitting.

$169.95

Sig Sauer

Sig Sauer P226 Conversion Barrel - 357 Sig

Converts your P226 from 40S&W to 357SIG or replaces your original 357SIG barrel. These are factory Sig Sauer drop-in barrels.


* NOTE * All barrels may require minor fitting.
$169.95

Sig Sauer

Sig Sauer P226 Replacement Barrel - 9mm

Replacement barrel for your P226 9mm. These are factory Sig Sauer drop-in barrels. Not for use in a 357SIG or .40S&W Slide. Black finish.

* NOTE * All barrels may require minor fitting.

$169.95

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Sig Sauer Barrels

With an effortless install, you can replace your Sig Sauer barrels and expand the capabilities of your valued firearms. Use drop-in installation of the respected factory Sig Sauer barrels to convert guns like your P226 from 40S&W to 357SIG. Or purchase replacement barrels manufactured to exacting standards at the factory for direct shipment to Top Gun Supply. We carry replacement barrels for the most popular Sig Sauer models, including a barrel for your P220 carry, .45 automatic Colt pistol. In addition to our full line of drop-ins, you can order replacement threaded barrels built to premium standards.

Sig Sauer Conversion Barrels Add a New Shooting Direction

In less than a minute, you can place Sig Sauer Conversion Barrels into your gun for increased shooting flexibility. It’s almost like owning another Sig, and that’s a plus in any gun enthusiast’s opinion. Though Sig pistol factory drop-ins are designed to fit in the majority of cases, minor fitting make be required. Let us answer your Sig Sauer conversion barrel questions before you buy. As one of a limited number of this company’s parts distributors, we are eager to lend our expertise! Also ask us about our Sig Sauer conversion kits.

Hammer-Forged Factory Replacement Barrels for Sig Sauer Guns

Factory replacement barrels for Sig Sauer Guns arrive at your door with a promise to last. These replacement pistol barrels have been precision hammer-forged during a diligent manufacturing process to assure owners of accuracy and to lengthen barrel life. Factory replacement barrels for Sig Sauer guns are heat-treated to ensure that strength and endurance are dropped into your gun. Make us your top stop for the very best in Sig Sauer replacement parts.