Description
CMMG DefCan 9 Suppressor – Dedicated 9 mm Sub‑Gun Can (Black)
The CMMG DefCan 9 is a robust, full‑auto‑rated suppressor engineered for pistol‑caliber carbines (PCCs), PDWs, and large-format 9 mm handguns. Built with a sealed, maintenance‑free design, rugged materials, and versatile Quick‑Detach mounting, it delivers exceptional suppression performance at a competitive price.
Key Features
-
Sealed, Maintenance-Free Design
No disassembly needed—just attach and shoot. Rated for full-auto use on 9 mm PCCs and sub-guns. -
Bi-Lock™ / Tri‑Lug Quick‑Detach Mount
Comes with QD muzzle device (½‑28 or ½‑36) and HUB-compatible threads (1.375‑24) for fast, secure attachment across platforms. -
Lightweight, Durable Build
Constructed from 7075 aluminum body with stainless steel baffles, weighs ~10–16 oz and measures ~8.3″ long — featherlight for its size. -
Superior Sound Reduction (~32 dB)
Provides safe, artisan-level suppression; subsonic ammo makes your rifle “backyard quiet”. -
Reduced Back‑Pressure System (RBS)
Vents gas forward to minimize blowback and improve cycling performance on supported rifles. -
Lifetime Guarantee
Backed by CMMG’s limited lifetime warranty, built to last through heavy use.
Technical Specifications
| Specification | Detail |
|---|---|
| Caliber | 9 mm Luger |
| Sound Reduction | ≈ 32 dB |
| Length | ~8.3″ |
| Diameter | ~1.38″–1.50″ |
| Weight | 10 oz (approx); ~15.9 oz with adapters |
| Materials | 7075 alloy body; stainless steel baffles |
| Mount Options | Bi‑Lock / Tri‑lug QD; ½‑28 or HUB thread |
| Finish | Hard‑coat anodize (black) |
| Full-Auto Rated | Yes |
Item # 99CA47D








