For sale is a custom built complete upper for an AR platform 5.56 caliber, upper receiver is a new arrow precision, the free float hand guard is a new MTF M-loc 14.5 inch, bolt carrier assembly is a Sig M400 mill-spec rated for 20,000 rounds, barrel is also a Sig Mil-Spec barrel 5.56 NATO rated for 20,000 rounds, brand new low profile aero precision Mil-Spec gas block with a sig stainless steel gas tube. Charging handle is a brand new GEISSELE AUTOMATICS AIRBORNE CHARGING handle. This is a complete upper and ready to install and use.

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