5/16 X 32 or 1/4 x 32 thread. From Jim Chambers. Extra large, deep inside cone improves ignition. Unit is installed using a vice grip, then shoulder is cut off with a hacksaw.The large cone of this touch hole liner brings the flash to with in a few thousandths of an inch of the main powder charge which will noticeably decrease the ignition time with flint locks. 5/16x32 No. 23002 1/4x32 No. 23004
5/16 x 32: Use letter drill "I" and 5/16 x 32 tap.
1/4 x 32: Use #4 drill & 1/4 x 32 tap.
WHITE LIGHTNING TOUCH HOLE LINER
- Product Code: 2300*
- Availability: In Stock