@Allizdog I'm just about to start that experiment with a Contender 6.8 SPC barrel I have test fired at 23" and now cut and crowned to 18.5"
I have pre and post cut velicities with 2 different factory 110 grain ammunitions
Have Speer Gold Dot 90 grain projectiles as my first chosen deer shooting option
And three different on hand powders to have a play with
This might not be quite the same scenario because I'm going light, fast and short !
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