We have a new Sig Sauer SRD556-QD Fast Attach Suppressor for sale. This suppressor is rated for .223/5.56mm.

SISRD556-QD PRODUCT DETAILS

FAMILY:SRD Series 
MODEL:SRD556-QD 
TYPE:NFA - Silencer 
WEIGHT:14 oz. 
DIAMETER:1.625" 
ATTACH METHOD:Quick Detachable
CALIBER/GAUGE:223 Rem | 5.56 NATO 
OVERALL LENGTH:6.50" 
CAN DISASSEMBLE:No
ADDL INFO:Quick Disconnect
ADDL INFO:1/2X28 Muzzle Brake Included

Priced at $600.00 with sales tax included. Must go on a Form 3 or Form 4. All NFA laws apply. Stop Drop & Shop