Bacon Posted January 21, 2011 Share Posted January 21, 2011 What is the best barrel length for a 3 gun rifle (ar15 5.56) Assume stages include all types of barricades, and targets from 5-400yds. Link to comment Share on other sites More sharing options...
Chills1994 Posted January 21, 2011 Share Posted January 21, 2011 18 inch seems to be getting more popular. if you're shooting irons, you might want to go with a 20 and then clamp some sort of front sight right behind the comp giving you a longer sight radius. supposedly, some guys showed up with 16 inch barrels to some big 3 gun match and were running factory ammo and with the velocity drop of the shorter barrel they didn't make power factor. this topic has been asked a lot of times. and at least once by me. the search function is your friend. to say which is the best ...well...it's probably not the right word... whichever one compromises the least is a better way of putting it. everything is going to have its pros and cons. Link to comment Share on other sites More sharing options...
Kyle O Posted January 21, 2011 Share Posted January 21, 2011 Barracades & such are of less importatance. Most people are looking to run rifle length gas systems for the softer recoil impulse, and to have that I think a 17" barrel is just about as short as you should go due to the dwell time after the port, hence the 18" barrels most are sporting these days. I'm not a super expert on this, but have done some reading about it recently. Link to comment Share on other sites More sharing options...
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