Are you shooting out to 220 yards?
I only ask, as since it's a nostalgic target rifle, I thought perhaps you would shoot it at the nostalgic distance of 40 rods....220 yards.
At least I think it's a nostalgic distance as it is mentioned a lot in Ned Robert's The Muzzle Loading Cap-Lock Rifle, as the distance that was used for those rifles. Now yours is of course not a muzzle loader, but I've wondered if when the breech loaders took over as the most popular form of target rifle, if the old style contests were still being used.
LD