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Discussion Starter · #1 ·
Hey folks. Been reading the forum for years, haven't done much talking. Got a question hopefully somebody can answer.

Ready to build my first AR-9 from an 80% lower. Lower came with an ejector, not installed. Bolt I bought uses a standard AR extractor. Can somebody explain why the 9mm bolts don't have a plunger style ejector built in like a standard AR does? Seems like it'd be way more reliable since the AR9 ejector needs to be adjusted and aligned... something with the 9x19 case head that would make a plunger not work?
 
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