I have a Marlin Glenfield 30-30 which is a slightly cheaper version of the 336. They made it cheaper by putting low quality rear sights and Beech stocks. Aside from that it is a full bore 336. I have the better quality rear sight and am going to replace it and am wondering if there are any tricks I should be aware of before I go at this and what is the best way to make sure it is centered? Doesnt look complicated but that doesnt mean much sometimes. I just figure it is not a gunsmith jo
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