The CMMG DefCan 86 (CMMG part no. 33CA486) is a big-bore suppressor built for centerfire rifle calibers up to .36 caliber, including 8.6 Blackout and .350 Legend. CMMG built the DefCan 86 to tame the noise of larger, rowdier magnum-class centerfire rounds. The DefCan 86 favors shooters running big-bore subsonic or magnum-class platforms who need a can rated for those larger calibers.

Key Specifications

• Rated for 8.6 Blackout and calibers up to .36 caliber.
• Built as a big-bore centerfire rifle suppressor.
• Ships with an included 1/2-28 or 5/8-24 direct-thread mount (HUB 1.375×24 compatible for later QD upgrades).

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 is the largest caliber it’s rated for? Up to .36 caliber, including 8.6 Blackout and .350 Legend.

How does it mount? It ships with an included 1/2-28 or 5/8-24 direct-thread mount. The body is also HUB 1.375×24 compatible if you want to add a quick-detach mount later.

Buy the CMMG DefCan 86 8.6 Blackout 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.