Daniel Defense SG-556 5.56 1/2x28 w/ Mount
Lowest Price
MSRP
$831
Savings
7% off
Verified In Stock at
49 Stores
Updated
Aug 26, 2026
Compare Deals from 54 Retailers
Verified availability, then price
Page 1 of 7
Directs Toxic Gasses Forward
DT HUB Mount
HUB Compatible
Low Flash Signature
Rated for .223 Remington and 5.56 NATO
Stabilizes Rounds for Accuracy
Stainless Steel Tube and Baffle Stack
Specifications
Description
Daniel Defense SG-556 Features Distinguished in the Sound Guard Series the SG-556 is precision-engineered for maximum performance. Crafted from stainless steel it offers durability and resistance against wear and tear. The 7 silencer employs a direct thread attachment method which is reinforced by the factory-provided attachment system ensuring a reliable and steady fit on the firearm. Moreover this silencer is designed for adaptability featuring a HUB standard 1.375-24 UNS mount. Weighing in at 22 ounces its weight is well-distributed to maintain the balance of the firearm and with a diameter of 1.75 it is not obtrusive. Daniel Defense SG-556 Specifications Brand: Daniel Defense Series: Sound Guard Series Model: SG-556 Type: NFA - Silencer Caliber: 223 Rem | 5.56 NATO Finish: Black High-Temp Cerakote Overall Length: 7 Thread Pattern: 1/2x28 Attachment Method: Direct Thread Factory Supplied Attachment Method Diameter: 1.75 Construction: Stainless Steel Weight: 22 oz. Shipping Weight: 2 lbs. Additional Features: HUB Std. 1.375-24 UNS Mount






