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Due to Measure 114, Rainier Arms will prioritize order shipments to Oregon state residents.

Handgun Barrels

Pistol barrels and barrels for your handgun.

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  1. Faxon Firearms Match Series Sig Sauer P365 9mm Barrel
    Faxon Firearms Match Series Sig Sauer P365 9mm Barrel
    As low as $166.25


    Faxon Firearms Match Series Sig Sauer P365 9mm Barrel

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  2. Rainier Arms Exclusive Danger Close Armament DCA-365 Select Match 9mm Barrel For Sig P365 - (3.1
    Danger Close Armament DCA-365 Select Match 9mm Barrel For Sig P365 - (3.1")
    As low as $199.00


    Danger Close Armament DCA-365 Select Match 9mm Barrel For Sig P365 - (3.1")

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  3. Faction Match Grade Sig Sauer P365 Barrel - DLC
    Faction Match Grade Sig Sauer P365 Barrel - DLC
    Special Price $99.92 Regular Price $165.00

    Faction Match Grade Sig Sauer P365 Barrel - DLC

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  4. Rainier Arms Exclusive Danger Close Armament DCA-365 Select Match 9mm Threaded Barrel For Sig P365 - (3.1
    Danger Close Armament DCA-365 Select Match 9mm Threaded Barrel For Sig P365 - (3.1")
    As low as $209.00


    Danger Close Armament DCA-365 Select Match 9mm Threaded Barrel For Sig P365 - (3.1")

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  5. Killer Innovations Sig P320 X-Carry Velocity Non-Threaded Barrel
    Killer Innovations Sig P320 X-Carry Velocity Non-Threaded Barrel
    As low as $249.00


    Killer Innovations Sig P320 X-Carry Velocity Non-Threaded Barrel

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  6. Rainier Arms Exclusive Danger Close Armament DCA-320 Select Match 9mm Barrel For Sig P320 -  (3.9
    Danger Close Armament DCA-320 Select Match 9mm Barrel For Sig P320 - (3.9")
    As low as $209.00

    Danger Close Armament DCA-320 Select Match Barrel For Sig P320 - (3.9")

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  7. Faxon Firearms Match Series Sig Sauer P365 9mm Threaded Barrel
    Faxon Firearms Match Series Sig Sauer P365 9mm Threaded Barrel
    As low as $175.75


    Faxon Firearms Match Series Sig Sauer P365 9mm Threaded Barrel

    Learn More
  8. Faxon Firearms Sig Sauer P320 Full Size Flamed Barrel - Nitride
    Faxon Firearms Sig Sauer P320 Full Size Flamed Barrel - Nitride
    $194.75
    Out of stock
    Faxon Firearms Sig Sauer P320 Full Size Flamed Barrel - Nitride Learn More
  9. Grey Ghost Precision P320 Compact Non-Threaded Barrel - Black Nitride
    Grey Ghost Precision P320 Compact Non-Threaded Barrel - Black Nitride
    $177.59
    Out of stock

    Grey Ghost Precision P320 Compact Non-Threaded Barrel - Black Nitride

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  10. Agency Arms Sig P320 Compact Premier Line Barrel - TiN
    Agency Arms Sig P320 Compact Premier Line Barrel - TiN
    $300.00
    Out of stock


    Agency Arms Sig P320 Compact Premier Line Barrel - TiN

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  11. Rainier Arms Exclusive Danger Close Armament DCA-X5 Select Match 9mm Barrel For Sig P320 X-Five - (5
    Danger Close Armament DCA-X5 Select Match 9mm Barrel For Sig P320 X-Five - (5")
    As low as $199.20
    Out of stock


    Danger Close Armament DCA-X5 Select Match 9mm Barrel For Sig P320 X-Five - (5")

    Learn More
  12. Agency Arms Sig P320 Compact Premier Line Barrel - DLC
    Agency Arms Sig P320 Compact Premier Line Barrel - DLC
    $300.00
    Out of stock


    Agency Arms Sig P320 Compact Premier Line Barrel - DLC

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