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! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715. Sale! SIG SAUER MUZZLE BRK CL 7.62MM 90 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Sale! Rugged Suppressors OBSIDIAN PISTON 9/16×24 $8000 Original price was: $8000.$7196Current price is: $7196.