Home / Accessory-Silencer Accessories / Yankee Hill Machine Company NIELSON BOOSTER ASSEMBLY Sale! Yankee Hill Machine Company NIELSON BOOSTER ASSEMBLY$10995 Original price was: $10995.$9931Current price is: $9931. Out of stock SKU: YHM-2055 Category: Accessory-Silencer Accessories Product ID: 54150 Description Description Piston Not IncludedFits 1-3/8″x24 TubesFor Handgun Calibers Only Related products Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351. Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Sale! Dead Air Armament GHOST FIXED MOUNT 5/8X24 $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472.