Home / NFA - Silencer / Yankee Hill Machine Company TURBO K INTEGRAL 5.56 UPPER Sale! Yankee Hill Machine Company TURBO K INTEGRAL 5.56 UPPER$1,44995 Original price was: $1,44995.$1,21081Current price is: $1,21081. In stock Yankee Hill Machine Company TURBO K INTEGRAL 5.56 UPPER quantity Add to cart SKU: YHM-8025 Category: NFA - Silencer Product ID: 123641 Description Description Integrated Turbo SilencerPinned and Welded to 10″ BBL Related products Sale! Gemtech TREK II 5.56MM 1/2-28 SILENCER $44900 Original price was: $44900.$40938Current price is: $40938. Q ERECTOR 9MM MODULAR SILENCER $79900 Sale! SureFire SOCOM556-MINI GEN2 556 BK SLCR $1,29900 Original price was: $1,29900.$1,13871Current price is: $1,13871. Sale! SIG SAUER SLH300 300BLK TITANIUM SILENCR $1,34999 Original price was: $1,34999.$1,20785Current price is: $1,20785.