Home / Accessory-Silencer Accessories / Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1 View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” has been added to your cart. Sale! Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1$8295 Original price was: $8295.$7537Current price is: $7537. In stock Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1 quantity Add to cart SKU: YHM-2189-M Category: Accessory-Silencer Accessories Product ID: 68864 Description Description 13.5 X 1 TPIFits Most Suppressor Brands Related products SilencerCo O-RING BOOSTER PACK $900 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 $7895 Original price was: $7895.$7188Current price is: $7188. Gemtech ADAPTER MM9 5/8-24 300BLK $7500 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957.