Thanks everyone. Ditto to what so many others have said before me, this is a great forum. I have been reading some of the posts and have learned a lot. I have a Bushmaster with the free floating hand guard, bull barrel, JP trigger, anti-walk pins, and the cam to pull the upper and lower tight. I have several targets where three shots made one hole. I use the Sierra 53 grain MatchKing with 23.4 grains of Vit N133. Lake City brass sorted by year of manufacture and CCI #400 primers. At my club our range is only 100 yards so we shoot matches at 200 yds. (offhand), 300 yds. (sitting and kneeling) and 600 yds. (prone) using reduced targets. Thanks again.