Sionics Weapon Systems M4 Upper Receiver Assembly

Manufactured by Sionics Weapon Systems
Manufactured by Sionics Weapon Systems
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The Sionics Weapon Systems M4 Flattop AR-15 Upper Receiver Assembly is made from forged 7075-T6 aluminum and built to Mil-Spec dimensions. It features T-market picatinny slots for optic placement and comes with forward assist and dust cover installed. The entire receiver is hardcoat anodized black and the M4 feed ramps have a dry film lubricant applied to them to improve reliability. The Sionics AR-15 Upper Receiver is a great place to start for your next build.

  • Forged 7075-T6 aluminum
  • Hardcoat anodized
  • M4 flattop picatinny rail
  • T-marked and color filled
  • Assembled
  • Dry film lubricated feed ramps

A SIONICS Weapon System is a firearm that is more than just built from the ground up by master gunsmiths for professionals in the field. They're more than just an assembly of quality components. Every firearm built by SIONICS has been carefully crafted from the best components available by a single master gunsmith before a second master gunsmith puts it through a 19-point quality inspection and test firing process to ensure that ever SIONICS firearm has been built without compromise.
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AssemblyAssembled Uppers
BrandSionics Weapon Systems
Feed RampsM4
FinishHardcoat Anodized
Forward AssistAssembled with Forward Assist
Port DoorAssembled with Port Cover
Receiver Material7075-T6 Aluminum
T MarksT-Marked

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