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Not sure what is considered Ideal, all mine are threaded 14x1 with barrel lengths ranging from 24, 22, 20 and 18 inches

Correction on the 178 ELDX load its 64.5 grains RL 17 for 2950 typo error sorry, data on the targets is correct.

Sorry Guys typo error the 178 Eldx load for 2950 is 64.5 grains RL17.

Have a bit of data for H100V, gave good results for accuracy and velocity also, and was going to be an option for me if I couldn’t get Reloader 17.

I had another Tikka 300 wsm with factory length barrel and Hit pressure signs with lower charges much earlier and only got similar speeds to my 20 inch wsm, so moved it on.

All of the loads are Seated to fit Mag, its a warm load if I use Norma Brass I drop the charge 2grains

Tikka 20 inch 300 wsm load data and chronographed over lab radar. Winchester Cases Fed / 215 Magnum Primer

168 Amax 66.5 grains RL 17 3050
178 Eldx 65.5 grains RL 17 2950
190 Berger VLD 62...