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Upgrade your P320 with a quality custom slide.

The P320 was made for customization, so why not replace the one thing you arguably stare at the most while you shoot? We're talkin' 'bout the slide. Sure, Sig Sauer makes great slides, no one's arguing that. But "good enough" can be made "perfect" if you select one of the cool, custom, lightweight and precisely CNC-machined P320 slides available here.

Options Available for Multiple Calibers

The great thing about the P320 is you can quickly swap out barrels, calibers, and grip modules while keeping the same slide in certain configurations. Others are caliber-specific, tailored for that cartridge's recoil impulse. Take this sexy Cerakote slide, for example: It's made for 9mm and cuts down on weight while making your run-of-the-mill P320 look like a custom killer.

416R Stainless and Mil-Spec Carbon + Optics-Ready

Our available P320 slides are cut from high-quality 4150 (CMV) carbon steel or 416R Crucible Stainless, one of the finest gun metals made available today. Some slides sport pre-fabricated cuts for your favorite micro red dot, like the Trijicon RMR, Sig Sauer Romeo 1, or Holosun. Slap a handgun red dot atop your new slide and enjoy better performance in addition to the cool points.


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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, 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.

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.