Home Forums Reloading Big Game Rifles Kimber Montana 280AI... 140TTSX?

270 WSM: 150 NPT, COAL 2.850, RL-19, WLRP, 60.5 MAX = 3007fps

Kimber Montana:

150 NPT kisses the lands at 2.820 (went 2.800), RL-19, WLRP, 61.0 = 2,839fps

I don't doubt the chrono since my 223 comeups were on the money, but I'm sure there's a little discrepancy.