Home / Accessory-Silencer Accessories / Yankee Hill Machine Company UNIV RIFLE ADAPTER M13.5X1 LH# You cannot add "Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L" to the cart because the product is out of stock. Sale! Yankee Hill Machine Company UNIV RIFLE ADAPTER M13.5X1 LH#$6850 Original price was: $6850.$6614Current price is: $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 Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135. 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.