[Domangart]

Only two things could happen, A double feed caused by one or both of the top lips of the mag have been bent. The other relates to a carbon build up inside the bolt and ring alignments.

[JT Hatter]

I bought a Colt AR-15 and ammo last year. Haven’t fired it yet. I thought it was a pretty good rifle, but I don’t know much about them. Hearing about these jams is worrisome. But mine is pristine, so I should be OK?