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.
Chamber: 5.56 NATO
Gas System: Mid-length
Twist: 1:8 button rifled
Contour: .650 under hand guard/.740 in front of gas block
Diameter at Gas Block: .750
Muzzle Threads: 1/2-28 TPI
Material: 4140 chrome moly steel
Weight: 25.5 oz.
Finish: Manganese phosphate
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 takes our short .650 OD Thermal Dissipator (JPTD650S).
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.