Longer barrels allow for slower powders to develop more speed with lower chamber pressures. For my Big Bore Revolvers I would have different powders for 6" and under, 6-8" and 8-12". Accuracy and Velocity are a dance with Twist Rates, different rifling cuts etc. Just like cam profiles and fuel ratios affect engine performance. It's all Science really. Mad Science at its best!!!I have a few
10" 357 Max 2x Redfield scope
10" Octagon 25-35, a real doll, Weaver 4x scope
10" Octagon 357 Mag open sight
7-1/2" Octagon 44 Mag open sight
Looking to getting a 375 Win, might regret this one. Not a fan of longer bbls.