Home / Accessory-Silencer Accessories / Yankee Hill Machine Company UNIV RIFLE ADAPTER M13.5X1 LH# View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28” has been added to your cart. Sale! Yankee Hill Machine Company UNIV RIFLE ADAPTER M13.5X1 LH#$6850 $6614 Out of stock SKU: YHM-2145-M Category: Accessory-Silencer Accessories Product ID: 30423 Description Description Fits any 1-3/8-24 Rear ThreadM13.5X1 LH TPIFits Most Suppressor Brands Related products SilencerCo O-RING BOOSTER PACK $900 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 $8444