JK Armament RFX Suppressor, 22 Cal, FDE, Aluminum/Stainless

The JK Armament RFX (brand part no. JK105RFX22FDE) is a 22 caliber suppressor measuring 1.05 inches, built with aluminum and stainless steel and finished in flat dark earth. JK Armament designs the RFX to be mission-configurable with up to 9 baffle options, including a 17-4 stainless steel blast baffle for hard use across everything from .22 LR to 5.7x28mm. The RFX favors rimfire and 5.7x28mm shooters who want a customizable baffle stack.

Key Specifications

• Rated for .22 caliber ammunition up to 5.7x28mm.
• Built with aluminum and stainless steel construction.
• Measures 1.05 inches.
• Configurable with up to 9 baffle options.
• Finished in flat dark earth.
• Mounts via a 1/2×28 direct-thread flush 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 calibers is it rated for? .22 caliber up to 5.7x28mm.

How does it mount? A 1/2×28 direct-thread flush mount — it threads straight onto your host firearm’s muzzle, no separate hardware required.

Buy the JK Armament RFX 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.