Home / Accessory-Silencer Accessories / SIG SAUER MUZZLE BRK CL 5.56MM 90 DEG View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28” has been added to your cart. Sale! SIG SAUER MUZZLE BRK CL 5.56MM 90 DEG$17999 $16957 Out of stock SKU: SL-556-12X28-90DEG-M Category: Accessory-Silencer Accessories Product ID: 42666 Description Description Mzzle Bke Assem SLX/SLH Series90 Degree Shoulder Related products Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Sale! Gemtech ADAPTER SIG MOSQUITO $4500 $4183 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715