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I am just curious what distances most .22 rifle shooters (open sights) use for target practice. 100 Yards seem a bit far to even see what you've hit with a spotting scope when shooting .22.
I used to use golf balls attached to string at 100 yards. It takes a lot of practice to hit a golf ball sized target with irons at that range but it's quite obvious when you hit it. The golf balls stand up to a couple of hits before they split.
Irons as in "open sights" I would assume.
I shoot at 100 and 200 with irons, but they are quality target sights, 1.6 MPA adjustable rear with front sight globe with inserts.