The CMMG DefCan 22 (brand part no. 22CA41E) is a .22 LR rimfire suppressor built for user serviceability, weighing a mere 5.6 ounces so it stays balanced on a handgun or rifle host. CMMG mounts the DefCan 22 via a 1/2×28 direct thread interface and builds in removable end caps and baffles with indexing marks, so cleanup and reassembly stay quick even after heavy use with dirty rimfire ammunition. The DefCan 22 favors shooters who want an easy-to-maintain rimfire can.

Key Specifications

• Rated for .22 LR ammunition, full-auto rated, with .17 HMR/.22 Mag rated semi-auto.
• Measures 5.5 inches long for a manageable overall setup.
• Weighs a mere 5.6 ounces for balanced handling on a handgun or rifle.
• Mounts via 1/2×28 direct thread for a secure connection to a compatible barrel.
• Features removable end caps and baffles with indexing marks for quick disassembly and reassembly.
• Includes a hex opening on the front cap for easier disassembly if carbon fouls the threads.
• Built from 17-4 stainless steel with a black nitride finish for corrosion resistance.
• Rated for full-auto fire, giving it a wide margin of durability on semi-auto hosts.

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 (full-auto rated), with .17 HMR and .22 Mag rated for semi-auto use.

How does it mount? Via a 1/2×28 direct thread interface.

Buy the CMMG DefCan 22 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 CMMG‘s silencers and suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.