Thanks, the only problem with that barrel is the twist rate of 1-8.5”.
At sea level, in cold weather (0°F) with the Lapua 139 Scenar the stability is marginal (1.35).
With my current 1-7.5” twist at 0°F the stability is 1.73 with a 1-8” twist it is 1.52
If I was at an elevation of 3,000ft I...