
With the Aero M4E1 Threaded Stripped upper receiver, BCM 12.5" 5.56 NATO 1:7 barrel and ALG Defense AR Emr Ergonomic handguard.
Updated
running this as a backup. went with the Aero Precision lower. no regrets

With the Aero M4E1 Threaded Stripped upper receiver, BCM 12.5" 5.56 NATO 1:7 barrel and ALG Defense AR Emr Ergonomic handguard.
Updated
running this as a backup. went with the Aero Precision lower. no regrets

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