Daniel Defense SG-556 SoundGuard Suppressor - 06-140-04249
Only 5 left in stock
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This item is regulated, therefore this item must be shipped to an FFL. After you place the order, you will be able to find and submit an FFL of your choosing. It is your responsibility to know your local laws and confirm that the FFL will accept and transfer the item.
View Restrictions
THIS IS A CLASS 3 NFA ITEM. ALL NFA RULES APPLY, this product requires a Federal Firearms License (FFL) and a Special Occupational Tax Stamp (SOT) to be on file. It is the purchaser’s responsibility locate a properly licensed FFL. If we do not have a copy of the clearly signed and dated FFL/SOT, you may email them to [email protected] or use our FFL submission form. Read more about our process here.
NFA Item Cancellation & Refund Policy
Cancellations with Full refunds of NFA items are only possible if a cancellation request is received & acknowledged before the transfer process has been initiated. Initiation of the transfer process is defined as: The ATF form 3 which allows us to transfer the NFA item to your selected dealer has been submitted to the ATF. The ATF form 3 submission typically occurs 1-3 days after your order is placed, depending on order volume and processing times. Cancellations and partial refunds are still possible up until the point the NFA item is shipped to your FFL dealer. Below are the fees that will apply at the various stages of NFA item order processing:
- Order Received – Form 3 not yet submitted: Full refund
- Form 3 Submitted – Not yet approved by ATF: 10% Processing Fee
- Form 3 Approved by ATF – Item not Shipped: 20% Processing Fee
- Form 3 Approved by ATF – Item shipped: No refund
- Form 4 Submitted – Disapproved/Returned without action: 35% Processing Fee + return shipping costs*
*NOTE: This may not always be possible and requires us to successfully recover the NFA item from your dealer with original packaging and in NEW condition. If we are unable to recover the NFA item in the condition stated above, no refund is possible.
This policy is only a guideline and subject to change depending on certain situations. There is significant time and effort involved by both AR15Discounts and your selected dealer to reacquire the item once the ATF form 3 has been submitted and approved.
SKU: 36489 Category: Suppressors
Enhance your shooting experience with the Daniel Defense SG-556 SoundGuard Suppressor, engineered for superior performance on .223 and 5.56mm firearms. This suppressor delivers reduced blowback, lower noise levels, and virtually eliminated muzzle flash, allowing shooters to maintain focus and accuracy during extended sessions.
Key Features
- Advanced Gas-Flow Dynamics: Cutting-edge technology directs gases forward to minimize toxic blowback to the shooter, improving comfort and concentration on target.
- Exceptional Sound and Flash Reduction: State-of-the-art design significantly lowers impulse noise while a patent-pending baffle stack and proprietary coating reduce flash signature to virtually zero.
- Precision and Stability: Patent-pending gas-flow pathing stabilizes rounds for extreme accuracy with minimal point-of-impact shift.
- Durable Stainless Steel Construction: Lightweight yet robust stainless steel baffle stack and tube withstands rigorous use without weighing down your firearm.
- Versatile Direct-Thread Mounting: Includes adapter for secure, rapid attachment and detachment using the industry-standard HUB 1.375-24 UNS, compatible with various muzzle devices.
Specifications
- Caliber Compatibility: .223 Rem / 5.56mm
- Length: 7 inches
- Diameter: 1.75 inches
- Weight: 22 oz (with mount)
- Materials: Stainless steel baffle stack and tube
- Finish: Black high-temp Cerakote
- Mounting: Direct thread 1/2 x 28 TPI
- Rating: Full auto rated
Benefits for Tactical Shooters
The SG-556 addresses common pain points like excessive gas exposure and flash that can compromise situational awareness. Its robust design ensures reliable performance across various conditions, while the quick-attach system supports easy transitions between firearms. Backed by Daniel Defense’s 100% satisfaction guarantee, this suppressor provides dependable quality for serious enthusiasts.
Why Choose the Daniel Defense SG-556 SoundGuard Suppressor
Built in the USA with precision engineering, this suppressor combines innovative gas management with proven durability. It offers a balance of sound suppression, flash control, and minimal impact on accuracy, making it an ideal choice for those prioritizing performance and shooter comfort in tactical or precision applications.
| Weight | 22 oz |
|---|---|
| Dimensions | 7 × 1.75 × 1.75 in |
| Mount Style | Other |
| Length (inches) | 7 |
| Caliber (Maximum) | .22 (.223/5.56/.224, etc.) |
| Baffle Material | Steel |
| Body Material | Steel |
| Finish | Cerakote |
| MPN | 06-140-04249 |
| UPC | 818773023320 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
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