Steve Acker. DVD format. You’re virtually looking over Acker’s shoulder as he performs each step and explains the how, what and why. Excellent instructional source that describes the process step-by-step; great for the beginner or seasoned professional. 2 hours. Demonstrates bedding on three styles of stocks; plus scope mounting, lapping the rings, and barrel crowning using only hand tools for a quick and easy way to improve accuracy.