| Wayne59 |
| (.400 member) |
| 03/04/16 07:57 AM |
Re: I'm embarassed this is my first post...
|
I am no expert but I beleave you have already answered your own question. The 7.8 marking is actually the bore dia. before rifling.The 60 is the actual case length. I am sure someone will correct me if I am wrong.