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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 amazingly versatile pistol. You can swap out its frames and parts all day, and each time you finish, you'll end up with a completely different sized pistol. This end-all be-all pistol eliminates the need to have a different...

    Was: $119.99
    Now: $99.99
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Finish or upgrade your factory or 80%-built P320 platform with a quality barrel.

Shooters love the P320 platform because of its modularity: Grips, barrels, slides, even calibers can be swapped out in a matter of minutes. Whether you're fabricating a MUP-1 80% insert or just swapping out the configuration on your factory handgun, you'll find a quality P320 barrel right here at the right price.

4150 CMV Steel, Nitride Treatments

Every Sig P320 barrel we sell is precision-forged from 4150 CMV, arguably the hardest and toughest gun barrel steel on the market. Each barrel's also treated with QPQ Nitride, providing a high-temperature protective finish that withstands extreme heat and corrosion. Each barrel also sports match-grade rifling that's been heat-treated to obtain a high hardness rating, perfect for withstanding rapid fire and repeat mag dumps.

New builder? Read our guide: How to Build an 80% Sig P320.

State Laws Vary

Some states have banned certain firearm parts, and other products we sell. Check your local and state laws, and please confirm whether we can ship to your state before ordering.

 


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 GunBuilders.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 Gun Builders Depot, a/k/a GunBuilders.com 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.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.