outerlimits Posted August 20, 2005 Share Posted August 20, 2005 took bennie's advice and tried some of these in 55 gr. NBT's seem to be brutally accurate in my AR. grouped 2" at 300-i'm happy. did see one thing i couldn't explain. zeroed at 200 yds, these things dropped consistently at about 9 1/2 to 10" at 300 yds. other 55's (non NBT) dropped between 6 3/4 and 7 3/4". they also didn't seem as hot, but a fergot the chrono so i couldn't check. anyone have experiences shooting Ultramax 55gr NBT's? Link to comment Share on other sites More sharing options...
benny hill Posted August 20, 2005 Share Posted August 20, 2005 In my 20" barrel, they run about 3045 fps, & are VERY accurate. Link to comment Share on other sites More sharing options...
Paradox Posted August 31, 2005 Share Posted August 31, 2005 Anyone happen to know if the Ultramax ammo uses an off the shelf powder? Perhaps something to duplicate the load... Link to comment Share on other sites More sharing options...
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