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 for each season, manner of dress, and carry method. If you've decided to build one, then start here.
This full-sized P320 compatible barrel is what you need to kick off your build the right way. It's made from 4150V barrel steel. This match grade barrel measures 4.7" in length and also has enlarged feed ramps for reliability in feeding and chambering. It comes in at RC 43-47 on the Rockwell C hardness scale, has a black nitride finish, is chambered in 9mm, is designed for the Sig Sauer® P320 full-sized build in 9mm. See below for more info.
- Made from 4150V barrel blank
- 4.7" in length
- Match grade rifling
- Enlarged feed ramps
- Rated at RC 43-47 on the Rockwell C hardness scale
- Black nitride finish
- Chambered in 9mm
- Designed for P320 full-sized 9mm builds
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.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.