I have a SAR 3 in really nice condition that has started doing something that I can’t figure out. Every 10‐15 rounds I get a failure to feed. The bolt fails to properly pick up the round and rides up over the top of it, causing the jams.
I have stripped it and cleaned everything. I checked the gas hole from the barrel, cleaned the inside of the upper handguard, and even pulled the magazine springs to get a little extra upward pressure. They are all waffle mags and the problem occurs with all of them. There is no buffer installed.
I took the upper cover and recoil spring out and cycled the bolt carrier by hand. It seems to strip and chamber the round fine yet , when fired, I get these annoying jams.
Can anyone suggest anything I haven’t tried yet? I sure would like to solve the issue. All help and suggestions greatly appreciated.
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