The Montgo-9 is a blowback-operated monolithic billet upper receiver from Matador Arms that cycles without a traditional AR15 buffer and tube. Looking to build an AR9/PCC? Here ya go.
The Montgo-9: Matador Arms’ 9mm Upper Receiver
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The Montgo-9 is a blowback-operated monolithic billet upper receiver from Matador Arms that cycles without a traditional AR15 buffer and tube. Looking to build an AR9/PCC? Here ya go.
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