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CMMG DEFCAN 556
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

CMMG

DEFCAN 556

$999.95
Out of Stock California compliant

CMMG DEFCAN 556, Suppressor, .223 Remington/5.56 NATO, 7.8" Length, 1.54" Diameter, Inconel Construction, Cerakote Finish, Black, Lever-Lock/Rotation QD Mount, Includes 1/2X28 SVD Muzzle Brake, 19.8oz Weight 55CA42D

Key Details
Brand CMMG
Manufacturer Part Number 55CA42D
UPC 810103479876
SKU CMMG55CA42D
Current Stock 0 available
Quantity Updated Apr 30, 2026 3:00 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The DefCan-556 is a full-auto-rated 5.56mm suppressor that combines robust build quality with remarkable sound reduction. 3D Metal printed Inconel construction delivers durability and a high heat tolerance. Attachment is easy, using the included ZEROED SVD Muzzle Brake or a mil-spec A2 flash hider, slide the DEFCAN over the muzzle device, close the locking gate, and twist to ratchet snug.

Features
  • Inconel Construction Delivers Durability and Heat Tolerance
  • Mounts Directly to the Included 5.56mm ZEROED SVD Brake as Well as Mil-Spec A2 Flash Hiders
  • Black Cerakote Finish
  • 7.8 Length"
  • 19.8oz
Specifications
UPC: 810103479876
Manufacturer: CMMG
Manufacturer Part #: 55CA42D
Model: DEFCAN 556
Size: 7.8"
Finish: Cerakote
Type: Suppressor