Complete Upper Receiver Build/Assemble – Service


This is a service where we will build the upper receiver for you if you are purchasing the parts from us This is just the service. You must buy the parts separately This includes complete assembly of the upper receiver. We use the proper tools and procedures, hand fit all parts prior to assembly, use correct Aeroshell assembly grease, correct torque values all done by a certified Armorer with years of experience. Also includes complete function testing including feeding, gas stroke, rapid fire and final headspace check. We have filled multiple Law Enforcement contracts and will take the same care when building your upper receiver. Parts that need to be purchased include:
  • Upper Receiver
  • Barrel
  • Bolt Carrier Group
  • Charging Handle
  • Hand Guard/Rail System
  • Gas Block
  • Gas Tube
  • Muzzle Device
If you have any questions on this, please call us and we will be glad to help.


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