“YHM SRX THREAD PROTECTOR BLK” has been added to your cart. View cart HomeClass 3 Firearms, NFA & Destructive DevicesClass 3 Parts & AccessoriesYANKEE HILL MACHINE COMPANY HUB DIRECT THREAD MT 1/2X28YANKEE HILL MACHINE COMPANY HUB DIRECT THREAD MT 1/2X28$70.75 YANKEE HILL MACHINE COMPANY HUB DIRECT THREAD MT 1/2X28 9 in stock YANKEE HILL MACHINE COMPANY HUB DIRECT THREAD MT 1/2X28 quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist SKU: LIP|YHM-2189-28 Category: Class 3 Parts & Accessories Product ID: 87907 Related products Add to WishlistRemove from Wishlist Add to Wishlist GPS TAC SUPPRESSOR COVER 22LR 5″ TAN $30.19 Buy now Out of stock Add to WishlistRemove from Wishlist Add to Wishlist YHM 1/2″-28 CRBNE ADPTR SDWNR M2 BLK $34.00 Read more Add to WishlistRemove from Wishlist Add to Wishlist DEAD AIR WAVE SPRINGKEYMO $10.08 Buy now