If you are lucky you might get a 1"MOA from a 742 but 1 1/2 - 2 are the norm with it. I had one with the front sling swival in the front forearm screw and everytime I shot it loosened up changing the POI and opening the group. I ended up mounting a barrel band. That helped but all I could manage was about 1 1/2 on a good day. Like Rocky sez ther are a lot of things that can effect the accuray of it.
When loading for a auto you should used a small base die. I have had my best luck with IMR 4350. Make sure you trim them after each shot.
I have a Browning BAR that is a shooter. I use 54.0 gr ofIMR 4350, CCI primers, Remington brass, and 180 gr Hornady Round Nose bullet. That will do 1" MOA out of my rifle.
Best of luck
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