| John |
| (.300 member) |
| 16/04/07 09:51 AM |
O/U 9.3 x 74R
|
I have a problem O/U rifle, calibre 9.3 x 74R, when shooting factory Norma Alaska 286 gr ammo, each barrel groups well but are out vertically. Will an increase or decrease in velocity pull the two groups together?
John