Home / NFA - Silencer / Yankee Hill Machine Company TURBO K INTEGRAL 5.56 UPPER View cart “SIG SAUER SLH300 300BLK TITANIUM SILENCR” has been added to your cart. 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! SureFire SOCOM762-RC GEN2 7.62 BK SLCR $1,44900 Original price was: $1,44900.$1,24717Current price is: $1,24717. Sale! SureFire SOCOM762-TI 7.62 FDE SLNCER $1,49900 Original price was: $1,49900.$1,28981Current price is: $1,28981. Sale! SureFire SOCOM556-SB2 GEN2 556 BK SLNCR $1,34900 Original price was: $1,34900.$1,16189Current price is: $1,16189. Sale! SureFire SOCOM556-MINI GEN2 556 BK SLCR $1,29900 Original price was: $1,29900.$1,13871Current price is: $1,13871.