My order of preference to "fix" BCGs:
1) Get a new one.
if not, then
2) Replace the bolt only and stake the key if the carrier is shrouded.
if that won't work then
3) Stake the key and upgrade the extractor/spring.
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My order of preference to "fix" BCGs:
1) Get a new one.
if not, then
2) Replace the bolt only and stake the key if the carrier is shrouded.
if that won't work then
3) Stake the key and upgrade the extractor/spring.