The JK Armament HD War Eagle in 9mm with 1/2×28 threads is a triple-use muzzle device: a compensator, a flash hider and a quick-attach mount for JK suppressors (brand part no. JKMDHDCF14). JK Armament machines it from heat-treated 17-4 stainless steel with a black nitride coating. Its symmetrical design means there is no timing to worry about, so installation is fast. It makes a natural fit on a 9mm carbine or PCC that spends part of its life suppressed and part of it bare, because the muzzle device keeps working either way.

Key Specifications

• The bore size is 9mm, the version of the War Eagle sized for 9mm host barrels.
• The thread pitch is 1/2×28, the common pistol-caliber and 5.56 muzzle thread.
• It works as a compensator, flash hider and quick-attach mount in one part, which saves swapping devices when the suppressor comes off.
• The material is heat-treated 17-4 stainless steel, chosen for strength under repeated suppressor mounting.
• The coating is black nitride, which resists wear and fouling.
• Weight is 3.0 ounces and overall length is 1.9 inches, compact enough to stay on a short barrel.
• The design is symmetrical, so it does not need to be timed during installation.

Frequently Asked Questions

Does it need to be timed? No. JK designed the War Eagle to be symmetrical, so there is no timing step during installation.

What does it mount to? It is a quick-attach hub for JK suppressors equipped with a JK Quick Attach Taper Mount, and it acts as an initial blast baffle for the suppressor.

What torque does JK recommend? The recommended torque specification is 35 foot-pounds.

Buy the JK Armament HD War Eagle Compensator/Flash Hider, 9mm, 1/2×28

Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse more Class 3 parts and accessories while you are here.