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Jose H. asked 9 years ago:
2 answers
CMMG Mk9LE 9mm AR-Pattern Rifle
It uses Colt SMG magazines which cost about $20 each and work much better in an AR than glock magazines (the bolt actually locks open reliably on the last shot).
Matthew W.
9 years ago
Yes, reliably as well.
Andrew J.
9 years ago
