Step 1: Steady Piece of Wood
Step 2: Get Something to Hold
Measure the distance where the rifle can stand steadily before we mount them on the wooden base.
Step 3: Mark and Drill
You see that I put a single hole on one side and a line hole on the other side. The line hole is intended for adjustable for any other rifle in case I will purchase a new one with different size.
Now we mount both of the valves on the wooden base with bolts and nuts.
Step 4: Clamp Steadily
Step 5: Done
Step 6: Refine
Yesterday I use it to calibrate my new rifle scope. Today I think of a new feature to add. I drill a hole on the front side of the stand (where the rifle's barrel resides). Then I drill a larger hole halfway to dip the nut in. Now I can adjust the height of where my rifle aims instead of moving the target up and down to the center of my scope.
The bottom nut is intended to extend the base for sturdier stand. I know I should find a larger piece of metal, but for now, this is okay since we have two points at the back and one point in front forming a stable tripod stand ^_^