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3 of 3 Items
Finish your Sig P320 handgun with a modular, easy-to-swap parts kit.
The beauty of the Sig Sauer P320 is its modular design: Using a universal chassis that holds the fire control parts, the P320 can be easily converted between four sizes - Full, Carry, Compact, and Subcompact - and different calibers! The chassis allows for a quick and tool-less swap of the grip module (frame), barrel, slide, magazine, grips, and accessories. Thanks to our partnerships, we're now offering various P320 build kits!
Regardless of size or caliber, all P320 parts kits include:
PLEASE NOTE: No kits on this page include the P320 80% chassis. No kits include a magazine. These must be purchased separately. The P320 80% chassis must be fabricated by the end user.
Check out the P320 80% Build Guide for FAQs, details, and how-to steps!
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 80-lower.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.