Kevin Stenberg
Well-Known Member
I have a very odd Axis in 308. I made 2 chamber casts and slugged the barrel 3 times and i still come up with the same measurements.
The Chamber Cast Just in front of the cartridge mouth the cast measures .310. The lead measures .176" long. This is where it gets weard. the lead ends with a dia. of .306. An all 3 slugs i made have a gruve dia. of .306 with no constrictions in the length of the barrel.
With a gruve dia. that small. Am i going to have problems making cast bullets shoot decent groups?
The Chamber Cast Just in front of the cartridge mouth the cast measures .310. The lead measures .176" long. This is where it gets weard. the lead ends with a dia. of .306. An all 3 slugs i made have a gruve dia. of .306 with no constrictions in the length of the barrel.
With a gruve dia. that small. Am i going to have problems making cast bullets shoot decent groups?