As I have told numerous folks who are heading to Alaska: The only firearm you need is a .22 pistol/revolver. If you are being attacked, all you do is knee-cap your partner -- you only have to be faster than one person...
I do agree about the 10/22..Great firearm. I put a Williams peep sight with a hooded front sight. Helped a bunch with improving my marginal accuracy.
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2 cents