
With the Aero M4E1 Threaded Assembled upper receiver, PSA 16" 5.56 NATO 1:7 barrel and CMMG 5.56 bolt carrier group.
Updated
wrapped this up last week for hd. running a Aero Precision CH. trigger is awesome

With the Aero M4E1 Threaded Assembled upper receiver, PSA 16" 5.56 NATO 1:7 barrel and CMMG 5.56 bolt carrier group.
Updated
wrapped this up last week for hd. running a Aero Precision CH. trigger is awesome
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