Home / Accessory-Silencer Accessories / Yankee Hill Machine Company UNIV RIFLE ADAPTER 1/2X28 # Sale! Yankee Hill Machine Company UNIV RIFLE ADAPTER 1/2X28 #$7295 Original price was: $7295.$6832Current price is: $6832. Out of stock SKU: YHM-2145-28 Category: Accessory-Silencer Accessories Product ID: 31069 Description Description Fits any 1-3/8-24 Rear Thread1/2-28 TPIFits Most Suppressor Brands Related products Gemtech PISTON GM-45 LID USP $14800 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. SilencerCo DELTA 1/2X28 THREAD SPACER $1900