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    SIG SAUER® Compatible Full Size Barrel - P320, Black SIG SAUER® Compatible Full Size Barrel - P320, Black 2 SIG SAUER® Compatible Full Size Barrel - P320, Black 3 SIG SAUER® Compatible Full Size Barrel - P320, Black 4 SIG SAUER® Compatible Full Size Barrel - P320, Black 5

    Sig Sauer® Compatible Full Size Barrel - P320, Black

    The Sig Sauer® P320 is an extremely versatile pistol. You can undress and redress it all day, and each time, you can end up with a completely different sized pistol. This jack-of-all-trades pistol eliminates the need to have a different sized pistol...

    Was: $119.99
    Now: $99.99
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Upgrade your P320 with a quality, custom barrel.

The P320 can provide arguably the greatest "bang for the buck" (literally) when it comes to investing in an upgrade-able performance pistol platform: Thanks to its universal chassis and largely tool-less design, the exoskeleton, slide, barrel, and caliber can be swapped altogether and with ease. That's why we're sourcing quality, match-grade custom P320 barrels for your pistol.

OEM and Aftermarket P320 Barrels

Not interested in breaking the bank? Simply want to swap calibers on your Sig P320? Grab an affordable OEM barrel guaranteed to fit like a glove with MOA accuracy, like Sig Sauer intended. All OEM and aftermarket barrels made from quality, mil-spec 4150V carbon steel or 416R Crucible stainless -- the same stainless alloy used to forge and cut the world's best competition rifle barrels.

Heat-treated with QPQ Nitride

Available carbon steel barrels are heat-treated after forging to obtain a Mohs hardness of RC 43-47, greatly increasing barrel life and protecting the rifling from deformation, especially during rapid fire. Carbon barrels are further protected against erosion, heat, rust and fatigue thanks to a high-temperature QPQ Nitride treatment, providing a slick black finish that blends in and provides a diamond-tough coating.

 


DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At 80-lower.com, we are by no means providing this content on our website to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.

DISCLAIMER: “Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Neither 80% Lowers, a/k/a Tactical Gear Heads, LLC nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.

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