Manufactured to our exacting specifications and used in all of our rifles, JP Supermatch™ barrels are turned from 416R stainless steel, lead lapped, air-gauged and cryogenically treated for cold bore shot predictability, minimum thermal drift, outstanding accuracy and extended barrel life.
All barrels also include a JP EnhancedBolt™ individually head-spaced to the barrel for flawless fit and function.
Gas System: Mid-length
Twist: 1:8 button rifled
Contour: .500 under hand guard/.500 in front of gas block/.740 at muzzle
Diameter at Gas Block: .750
Muzzle Threads: 1/2-28 TPI
Material: 416R Stainless
Weight: 18 oz.
NFA Compliance Notice
This barrel is under 16" and can be used to build a short-barreled rifle (SBR) or AR pistol. All NFA rules apply. The final user is responsible for compliance with the law.
This barrel is available with the following finish options:
Machine Finish: Barrel is in its unpolished, "as-machined" state and will show light turning marks and slight imperfections.
Light Polish: Barrel receives a light "brushed" finish. This leaves the surface uniform and removes most machine marks and blemishes.
High-Grade Polish: Barrel is polished to a reflective finish on the same level as our complete rifles and barrel kits.
Black Teflon™: Barrel receives a uniform low-shine black coating.
This barrel takes our short .500 OD Thermal Dissipator (JPTD500S).
Note that the Orange Fade Thermal Dissipator is made to order and will add two weeks to delivery.
Read more about the JP Thermal Dissipator here.