I need some help. I need to install a sight on my 91/30 nagant. Ordered the base for the scope . now I ned to decide on what scope to use. I need one that has an extended eye relief . pistol scopes are too exspensive. Trying to decide on a red dot scope. dont know much about them. has anyone have a preferance holigraphic or reg. red dot or 2 x red dot.. pros and cons welcome...thanks