Home / Accessory-Silencer Accessories / SIG SAUER FLASH HIDER CL 5.56MM 90 DEG View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28” has been added to your cart. Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG$17999 Original price was: $17999.$16957Current price is: $16957. Out of stock SKU: SL-556-12X28-90DEG-F Category: Accessory-Silencer Accessories Product ID: 25874 Description Description Flash Hider SLX/SLH Series90 Degree Shoulder Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865.