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Upper Assembly Service

Upper Assembly Service This service includes:


  • Installation of the barrel
  • Installation of the gas tube into the gas block
  • Installation of the handguard
  • Installation of the muzzle device
  • Installation of the ejection port door & forward assist if necessary.
  • Barrel dimpling is available for a $10 fee and is highly recommended for gas blocks that use set screws for installation for a more secure fitment.
  • Return shipping is included in the price.


When please make sure the box appropriately fits the parts and isn’t oversized where the parts can shuffle around in the box as this can cause damage.


Please DO NOT include your BCG, charging handle or accessories such as foregrips, sights, optics, or weapon lights.


Approx Turnaround time is 1-2 weeks.

Upper Assembly Service

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