CMMG DefCan 9 QD

The DefCan 9 is a built for shooters who need a powerful, full‑auto‑rated 9mm rifle suppressor. Designed for maximum compatibility, it comes with a Bi‑Lock QD system available in both ½‑28 and ½‑36 thread options. As a result, it pairs perfectly with most 9mm rifle platforms, including CMMG’s popular MkG GUARD and BANSHEE series.

Constructed from durable 7075 aluminum, the DefCan 9 offers impressive sound reduction—cutting noise by up to 32 dB so your rifle becomes hearing‑safe during use. Since the suppressor is completely sealed, you never have to worry about cleaning or maintenance. Even better, it’s fully protected under CMMG’s Lifetime Guarantee, ensuring long‑term reliability.

Rapid Fire Performance

• Weight: 10 oz

• Finish: Hard Coat Anodized

• Includes: Bi‑Lock Flash Hider with peel washer (1/2×28 thread)

Technical Specifications

• Caliber: 9mm (optimized for 9mm PCCs and rifle-platform builds)

• Material: 7075 Aluminum

• Weight: 10 oz

• Length: 10 in

• Diameter: 1.3 in

• Mounting System: Bi-Lock Quick-Detach

• Thread Compatibility: ½×28 and ½×36 (mount options)

• Finish: Hard Coat / Black Anodized

• Included Mount: Bi-Lock Flash Hider with peel washer (½×28)

• Sound Reduction: Up to 32 dB

• Design: Fully sealed (maintenance-free)

More Information

• Weight: 10 oz

• Finish: Black Anodized

• Warranty: Lifetime Warranty

• Dimensions: 10×13×1

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