Originally Posted by sharp_briar
Thanks for the replies the "cheap ammo" I am using is brown bear 62 gr bimetal sp lacquered case. I relize it was cheap ammo but didnt relize it was junk I guess I got what I paid for.
The real issue is it's not just "junk", but it could be problematic junk. Most AR manufacturers warn against the use of steel cased laquer-coated ammo. Under the press. & temps sustained in the chamber, the laquer has been known to melt and transfer to the chamber walls thereby decreasing the chamber dimensions and making FTE and stuck cases a real pain. Also since steel does not expand and contract as much and as rapidly as brass, the fired case does not grip the chamber walls like a brass case and can slam the bolt face causing damage over time. You might think about using your chamber brush judiciously with something like gun scrubber or laquer thinner to remove any deposits depending on how many rounds you've put through your rifle.
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