7.62mm ASHOT rifle - Part 4: Rifled barrel
Previous Chapter - Part 3: Chamber Once the breech and chamber passed the fool proof test, I move on to make the long barrel A hydraulic tube, some of it turned down to 12mm (you can do whatever length you want), this act as chamber interface. Metal surface was grinded off to give the weld a better bind. My welding was shit, I know. But it works. As mentioned in Part 1, welding cause metal to warp/shrink. After welding the 20/16mm sleeve will no longer be able to slide onto the barrel To mitigate this I first cut the sleeve in half. Then secure them with metal wire or hose clamp before welding to 14/10 OD/ID tubes Hose clamp will keep them together, secure the barrel from flying out the front The whole system when assembled, with a round loaded in the chamber. Are we missing something? Ah yes, the rifling. Can't shoot straight without that. I came up with a jig to push button rifling some times ago. Unfortunately the ...
