JP-5™ Replacement Barrel
Manufactured to our exacting specifications, this JP-5™ Supermatch replacement barrel is turned from 416R stainless steel, lead lapped and air-gauged.
Chamber: 9mm
Length: 9"
Twist: 1:10 button rifled
Contour: Light
Muzzle Threads: 1/2-28 TPI
Material: 416R Stainless Steel
Finish: Machine finish
Weight: 16.6 oz.
Installation Tool:
Removal and installation of a JP-5™ barrel requires use of the specialty spanner wrench tool we have designed. If you haven't purchased such a tool from us in the past, you can add one to your order at right. Refer to the instructions and installation video for process specifics.
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.
Barrel Finish:
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.
Tactical Finish: Barrel is blasted to a non-reflective, matte gray finish.

Heat Sink:
This barrel takes our carbine .750 OD Thermal Dissipator (JPTD750C).
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.
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