The JK Armament RFX Suppressor (brand part no. JK105RFX22K) is a mission-configurable rimfire suppressor built with up to 9 baffles to choose from, giving shooters a tunable balance of length and suppression on everything from .22 LR to 5.7x28mm. JK Armament builds the RFX with a 17-4 stainless steel blast baffle for hard use, finished in black aluminum and stainless steel.

Key Specifications

• Rated for .22 LR and other rimfire cartridges.
• Uses a 17-4 stainless steel blast baffle for hard-use durability.
• Configurable with up to 9 baffles for tunable length and suppression.
• Built from aluminum and stainless steel.
• Finished in black.
• 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 caliber is it rated for? .22 LR and other rimfire cartridges 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.