| Waidmannsheil |
| (.400 member) |
| 08/03/17 08:42 PM |
Re: New RWS Big Bore Caliber: 10.3x68
|
I guess the idea is that you first decide on the intended purpose of the rifle followed by the average bullet weight that you intend to use, then you choose a twist rate that best suits that bullet weight.
Waidmannsheil.