Quote:
Originally Posted by 260 Rem
If a bullet groups 1MOA AT 100yds it will produce a group of just over 5" at 500yds unless the wind blows 'em all back towards the center. Typically, only very gifted shooters with good eqpt can maintain the same accuracy at distance as they get at 100yds. One thing you can count on, is that once a bullet sets out on its path..it does not "steer" back on course! It does not "go to sleep" or get more stable. If you are getting consistent 1/4MOA groups over 500yds, you are IMO a gifted shooter.
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One MOA at 100 is 1" or close to it. Quarter MOA at 500 yds 1.20". The group is still larger at 500 yds. Further down OP mentions 5-shot group at 100 versus a 3-shot at 500. This happens, been there, done that. Never had groups shrink as the distance increased but shot lots of disappointing 100 yd groups that did not triple in group size at 300 yds. I do a bit of long range shooting and usually don't bother shooting boat tail bullets at 100 yds anymore. 1/4 MOA at 500 yds ain't that tough if conditions are good.