GSL’s new Heavy-Duty GT-556 suppressor for 5.56mm NATO is rated for full auto fire and mounts with a Bi-Lock quick disconnect flash hider with standard 1/2 – 28 – 2B threads.
 
GT-556:
Caliber: 5.56mm NATO
Sound Reduction: 32 dB
Length: 7″
Diameter: 1.50″
Weight: 13.5 oz. without QD adapter parts
Materials: Titanium/Inconel
Finish: High Temperature Cerakote
Mount: Bi-Lock QD
 
*For Barrels:
10.5″ minimum length 5.56×45/.223
 
Packing Includes the following:
(1) 5.56mm Suppressor
(1) 1/2 – 28 – 2B Bi-Lock Mount Flash Hider for 5.56mm NATO (others available upon request)