Home / Accessory-Silencer Accessories / Yankee Hill Machine Company SUPPRESSOR COVER 4.5″ BLACK View cart “SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24” has been added to your cart. Sale! Yankee Hill Machine Company SUPPRESSOR COVER 4.5″ BLACK$12595 Original price was: $12595.$11207Current price is: $11207. Out of stock SKU: THM-HTP-4.5 Category: Accessory-Silencer Accessories Product ID: 60852 Description Description Rated to 3000 Degrees1000 Denier Cordura Nylon Related products SilencerCo O-RING BOOSTER PACK $900 Sale! Dead Air Armament WOLVERINE INSERT 24MM RH LONG $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042.