I'm excited to start working in my 9mm AR tonight. I'm still waiting for a new frontier BCG. I believe I have all the parts I need for the build in my parts bin here at home. I planned to use a Spikes 9mm buffer and Wolf Spring. I just read about using an A5 set up on a 9mm. I have one onhand. Have you used one or shot one?
I don't have a bbl or rail for this upper yet. I would like to use a 7" KMR and a 4.5" bbl from ADCO. I have a fake suppressor I would use to fill the gap until I can get a 9mm can.
I am trying to sell this Colt upper here in the EE but I might just keep it until I SBR this lower.
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