The JK Armament RPX 155 (brand part no. JK155RPX9) is an extraordinarily lightweight, Mission Configurable 9mm suppressor combining the benefits of JK Armament’s RCX and PCX lines into an all-purpose can. JK Armament builds the RPX 155 with a Grade 5 titanium blast baffle, finished in black. The RPX 155 favors 9mm shooters who want a versatile, configurable pistol-caliber suppressor.

Key Specifications

• Rated for 9mm for pistol-caliber sound suppression.
• Built with a Grade 5 titanium blast baffle.
• Finished in black.
• Offers Mission Configurable tuning for an all-purpose build.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What does Mission Configurable mean? It combines the benefits of JK Armament’s RCX and PCX lines for all-purpose use.

How does it mount? JK’s HUB-compatible (1.375×24) tube, which accepts either JK’s direct-thread mount or their Quick-Attach Taper Mount, so it can run direct-thread or quick-detach depending on the front mount installed.

Buy the JK Armament RPX 155 Suppressor

This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through JK Armament‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.