AR won't fire

tbarile...Take a piece of your cleaning rod, install the chamber brush and chuck the rod into a cordless or electric drill....Put a few drops of lightweight lubricant on the chamber brush and spin the brush in the chamber for about 20-30 seconds, then wipe out the chamber with some clean patches to remove any debris...

Clean your bolt carrier group thoroughly as well and lightly lube it with some light weight lubricant, not grease...

Put the weapon back together and you should have no more problems..
 
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