If I take a 6.5X284 Norma brass made by Lapua, enlarge the neck for 7mm bullets and load the round at around 3.10" inches, what kind of reloading dies should one use ?
The case body length from base to the 2nd neck junction is 48,20mm for the 6.5X284 Norma brass and 47,88mm for the 284 Win...