1. Bigwheels

    Warm vs. cold Velocity's

    Kind long, but bear with me. I just did an experiment with my 300 WM & H-Retumbo. Some may remember that I asked a question about cold velocity's a while ago, as my pet load of 78gr H-Retumbo with 208 A-Max that usually gives 2911 fps had changed. That load was tested in 50* temps. During the...