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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. Killer Innovations Sig P320C Velocity Threaded Barrel
    Killer Innovations Sig P320C Velocity Threaded Barrel
    As low as $268.00
    Out of stock

    Due to some rolling changes in designs made by Sig, there is a chance that Killer Innovations parts may not be compatible with your specific gun, despite being noted as compatible with the variation.  Please test fit parts CAREFULLY to avoid damage, in case of incompatibility.  We will return or exchange undamaged parts.

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  2. Killer Innovations Sig P320 X-Compact Velocity Threaded Barrel
    Killer Innovations Sig P320 X-Compact Velocity Threaded Barrel
    As low as $268.00
    Out of stock


    Killer Innovations Sig P320 X-Compact Velocity Threaded Barrel

    Learn More
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