Product Overview
- NFA-regulated suppressor rated for 5.56 NATO / .223 Remington with Clutch-Lok QD attachment.
- Inconel construction with Black High Temperature Cerakote finish; 7.4" overall length, 19.4 oz, 1.67" outer diameter.
- 1/2x28 mount thread; requires NFA registration and tax stamp prior to transfer.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The SIG SAUER NG556 5.56 QD Silencer is a suppressor chambered for 5.56 NATO / .223 Remington. The tube is constructed from Inconel and finished in Black High Temperature Cerakote. It measures 7.4" in overall length, 1.67" in outer diameter, and weighs 19.4 oz.
Attachment is via the Clutch-Lok QD system with a 1/2x28 mount thread. As a suppressor, this item is regulated under the National Firearms Act and requires ATF registration and tax stamp approval before transfer.
Key Features
- Inconel construction for heat resistance and durability.
- Black High Temperature Cerakote finish.
- Clutch-Lok QD attachment system for tool-free mounting and removal.
- 1/2x28 mount thread compatible with standard 5.56/.223 muzzle devices.
- 7.4" overall length, 1.67" outer diameter, 19.4 oz.
- NFA regulated item — ATF Form 4 transfer and tax stamp required.
FFL & Compliance
This suppressor is an NFA-regulated item and must transfer through a Federal Firearms License (FFL) / SOT dealer. Buyer is responsible for completing all required ATF paperwork and knowing applicable local, state, and federal laws. Magnum Ballistics does not provide legal advice or determine purchase eligibility. We ship only to the FFL dealer selected during checkout.