Over the last couple of weeks or so, I put a salvage barrel on a rolling block frame that I had plus a scope so that I can potentially use it on the 200 yrd targets at our local turkey shoot. I am feeling a bit relieved at this point, because the scope was a bit of a challenge to adjust, but got about a 5" group at 200 today with the gun. I think the gun is capable of about 1/2 that but suspect the scope may be moving a little because of the old fashioned mounts. Between the square threads and the end of the barrel notched around the breach block, rolling blocks are a bit of a pain to rebarrel :>(
I did solder a small piece of brass to the front scope base and added a 4-40 screw to it which makes the scope far easier to adjust for lateral error.
The caliber is a modified 40-70 sharps bottleneck --- I made the body of the shell .15" shorter so that they could be formed out of 45-70 shells (considerably cheaper than 45 basic) and also increased the taper of the body of the shell from the published .005" to .015" for easier extraction. The breach block of the gun may have been from a Whitney or a Danish rolling block and had a sliding extractor so I modified the block to accept a rotary extractor because I think they wear less. Now all I have to do is knock the rams over during competition :>) :>)
cheers mooncoon
I did solder a small piece of brass to the front scope base and added a 4-40 screw to it which makes the scope far easier to adjust for lateral error.
The caliber is a modified 40-70 sharps bottleneck --- I made the body of the shell .15" shorter so that they could be formed out of 45-70 shells (considerably cheaper than 45 basic) and also increased the taper of the body of the shell from the published .005" to .015" for easier extraction. The breach block of the gun may have been from a Whitney or a Danish rolling block and had a sliding extractor so I modified the block to accept a rotary extractor because I think they wear less. Now all I have to do is knock the rams over during competition :>) :>)
cheers mooncoon
