SIG SAUER® Compatible Parts for at-home P320 builds.
Sig Sauer's the name of the reliability game when it comes to pistols. But you don't need to spend a premium just to get your hands on one.
We've partnered with top suppliers in the states to provide quality, affordable Sig P320-compatible parts for custom builds. Grab an 80% jig for fabricating your own modular P320 insert. Then complete your finished fire control insert with a P320 lower parts kit and barrel.
New builder? Read our guide: How to Build an 80% Sig P320.
Some states have banned certain firearm parts, and other products we sell. We cannot fulfill orders for any products to those states. Check your local and state laws, and please confirm whether we can ship to your state before ordering.
Your custom P320 awaits.
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.
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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.