
Originally Posted by
GTifosi
Humor me when you get a couple minutes to kill.
Take the upper off the lower, then strip the bolt from the carrier and install the charging handle and carrier in the upper.
Hold the carrier in place fully forward then point the upper straight up with muzzle at the top.
Release the carrier.
If things are getting too bad, the carrier will knock the CH loose from the latch notch upon impact.
That means something must be done as it could also occur during firing
Might just be a soft push, might stuff it through your face. Nothing I'd want to bet on though.
Try it with you old handle first (based on your description it will likely fail) then try it with the replacement.
If the replacement pops the CH loose, do something about the upper ASAP regardless of a seemingly inocuous appearance.
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