5 disposable powerheads for 3/8 spear tip machined by FredT . $100 for all 5 including shipping within Continental US.
Info and instructions on powerheads found here https://spearboard.com/showthread.ph...posables+fredt
When assembled with a .30 carbine cartridge the will slide on a 3/8 spear tip.
Info and instructions on powerheads found here https://spearboard.com/showthread.ph...posables+fredt
When assembled with a .30 carbine cartridge the will slide on a 3/8 spear tip.