Originally Posted by BBBrain
Regularly...almost anally!! most of the problems were with the 30rd mag in the AR, not in the barrel...and it was a feed issue. The bb's would hang up part way down in the mag. Almost as of the sizes were so inconsistent that (stacked) they would jam up in the follower "tube" in the mag. Thanks for your reply!
oh okay your jam is inside the mag not your barrel.
Have you checked for any burrs/dirt on the spring or along the spring path for the bbs?
What brand of gun do you have and the mags the same brand or did you buy a different set?