“DEAD AIR DETENT RING KEYMO” 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 11 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 $27.67 Buy now Add to WishlistRemove from Wishlist Add to Wishlist RUGGED SHIM KIT .338 3/4X24 M18X51 $15.33 Buy now Add to WishlistRemove from Wishlist Add to Wishlist YHM 5/8″-24 CRBNE ADPTR SDWNR M2 BLK $34.00 Buy now