National Target sells this fiull size, they are nice.

Attahced can be blown up on your copier such that the hasmarks on the left = 1 inch

Use the target at 50 yards. The range is set up for the US CAL 30 M1 Garand using the M72 round. 3
Thermo target.pdf006, 172 gr M1 projectile.
Sight moves on that rifle 1 click=1/2 inch at 50 yards.

'course this does not account for wind and mirage, but can give you the "come ups" for 200,300,600 and 1000.

May apply to your rifle set up by extrapolation and tables.

Hope you like it!