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AAC 556-SD Fast-Attach 5.56

$649

The 556-SD™ is a fast attach silencer for 5.56mm hosts.

Call 888-781-8778 for availability.

Norton Guaran­tee
Free NFA Gun Trust
Barrel Thread­ing
Ship To Your Door

Norton Guaran­tee

Buy from Silencer Central and you automatically get the Norton Shopping Guarantee which gives you identity theft protection ($10,000), dispute resolution ($1,000), and a lowest price guarantee ($100). All for free.

Free NFA Gun Trust

  • We offer a free NFA Gun Trust (a $250 value) to all customers which essentially establishes a joint ownership scenario in which you can legally share your silencer with designated others (as well as determining who will inherit your silencer). This lets others use your silencer.
  • We do all the ATF paperwork which helps ensure you completed the gun trust correctly so ATF does not reject. We have completed over 15,000 silencer to gun trust transfers and counting! LEARN MORE

Barrel Thread­ing

In the event you need you rifle barrel threaded to accept your new silencer, we will take care of that as well through our Threading Central. LEARN MORE

Ship To Your Door

Description & specs

The 556-SD™ is a fast attach silencer for 5.56mm hosts. With a design based on an earlier version of the best selling M4-2000™, the compact and lightweight 556-SD™ offers consumers feature-rich content and excellent value.

The 556-SD™ uses the tried and true 51T Ratchet Mount™ fast-attach system that enables users to install or remove the silencer in seconds.

The baffle core of the 556-SD™ features 100% Inconel® 718 and full circumferential fusion welding to provide a lifetime of use under the most demanding conditions.

Includes mount. Normally this product is recommended for short barreled rifle application.

*16” AR, Remington 55grn MC

Length: 6.7"
Diameter: 1-1/2"
Number of Baffles: Fused Baffles
Weight: 18 oz
Material: Inconel 718 & 316L Stainless Steel
Thread Pitch: QD
Brand: Advanced Armament Corp
Self-Service: No
Caliber: 5.56 NATO
Caliber Range: N/A
Color: Black
Finish: Cerakote
Sound Reduction: 31 dB
Mount Style: 51T Ratchet Mount™
Full-Auto Rated: N/A

How to buy

How to buy a silencer?

1.

Select your silencer

We offer all the best brands and can help you choose the silencer that’s right for you.
2.

We do the paperwork

We will manage the entire buying process for you, let you pay for your silencer in installments, and even set up a free NFA Gun Trust that allows others to use your silencer.
3.

We ship directly to your front door

Once approved, we will ship your new silencer directly to your door.

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AAC 556-SD Fast-Attach 5.56

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Rating
No reviews
7 reviews
No reviews
Length
6.7"
7"
8.5"
Diameter
1-1/2"
1-1/2"
1-1/2"
Number of Baffles
Fused Baffles
7
Weight
18 oz
11.4 oz
28 oz
Material
Steel
Titanium
Steel
Thread Pitch
QD
1/2×28
1/2x28
Brand
Advanced Armament Corp
BANISH
Coastal Gun, Inc.
Self-Service
No
Yes
Yes
Caliber
5.56 NATO
.223/5.56
5.56mm
Caliber Range
N/A
Rifles .224 and smaller
N/A
Color
Black
Black
Black
Finish
Cerakote
Gun Kote
Black Matte Parkerized
Sound Reduction
31 dB
34 dB
Mount Style
51T Ratchet Mount™
1/2×28 (Class A) 0.625″
Direct Thread
Full-Auto Rated
N/A
Limited Full-Auto Rated
Lifetime Warranty
Yes
AAC 556-SD Fast-Attach 5.56
Product Status
Out of stock
In Stock
Out of stock