JK Armament RPX 46K Suppressor, .45 ACP, Black

The JK Armament RPX 46K Suppressor (brand part no. JK-155RPX45-K) is a compact, modular pistol suppressor built for shooters who want maximum versatility in a short, lightweight package on a .45 ACP platform. JK Armament finishes the RPX 46K in black with an aluminum and titanium construction.

Key Specifications

• Rated for .45 ACP.
• Built from aluminum and titanium for a lightweight, modular design.
• Finished in black.
• Mounts via JK’s HUB Quick Attach Taper Mount.

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 caliber is it rated for? .45 ACP.

How does it mount? JK Armament’s HUB Quick Attach Taper Mount (1.375×24) — a quick-detach interface that also accepts direct thread, tri-lug, and other HUB-compatible mounts.

Buy the JK Armament RPX 46K 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.