I have overcome the need for a scope just for load development in this way. I use thin cardboard or thick paper, (Usually from discarded products) and paint at least legal pad size-ish with florescent pink marking paint can. (The type that sprays inverted for marking dirt to be excavated). Let it dry. Measure and mark target for whatever size fits your magnification the best at your preferred yardage for your load development. What works for me is at 14 power, and at 200 yards, a 2 inch square can be separated into 4 equal parts with the crosshair.
On butcher's paper, draw a straight line horizontally across, placing the 2 inch squares in the center of the line with a staple gun.( I outline the position of the target with a marker before i remove the staple from the target.) I run the paper horizontally for one powder, so underneath, i can usually test and different powder also. I keep the targets separated about a hand's width apart. I find it is much easier to evaluate a load using thing labor intensive method, but it works well for me. Thus eliminating the need and time for using another scope just for load development. As usual, take pics of targets before removing from target holder. I hope this is clear enough to help.