| Rule303 |
| (.450 member) |
| 18/12/17 08:52 AM |
Re: Why-I-hate-the- 270 -- by Bryce M. Towsley
|
szihn, thanks for that.
6.8SPC I believe is based on the bore size as the grove size is .277"
308 is grove size and 7.62 is bore size I believe.
303 is bore size .311 is bullet size and nominal grove size. I do say nominal
