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Daniel Defense SG-556 Suppressor .223 Remington/5.56 NATO 7" Direct Thread
Shipping and tax calculated at checkout.
NFA item: call or visit to purchase
This is an NFA-regulated item. We transfer NFA items through our Mesa store with ATF Form 4, so it can't be purchased online or shipped to your home. Call (480) 646-6356 or visit us at 7602 E Main St, Mesa, AZ 85207 to purchase.
Description
The Daniel Defense SG-556 Suppressor delivers professional-grade sound suppression for .223 Remington and 5.56 NATO caliber firearms. Designed with a durable stainless steel body and finished in black Cerakote, this suppressor offers both longevity and a sleek appearance.
Featuring HUB-compatible threading (1.375-24 UNS) and included direct thread mount (1/2×28), the SG-556 provides versatile attachment options for compatible host firearms. The 7-inch overall length and 1.75-inch diameter balance suppression performance with manageable size.
Constructed from stainless steel throughout the body and baffle stack, this suppressor is full-auto rated for demanding professional use. The direct thread attachment method ensures a solid, repeatable mount for consistent point of impact.
- Compatible with .223 Remington and 5.56 NATO calibers
- 7-inch length with 1.75-inch diameter
- Stainless steel construction with black Cerakote finish
- HUB compatible with 1/2×28 direct thread mount included
- Full-auto rated for professional applications
- Made in the USA
Specifications
- Model
- SG-556
- Caliber
- .223 Remington/5.56 NATO
- UPC
- 818773023320
- MPN
- 06-140-04249












