Canadian Tactical Cowboy Supplies
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We will be attending TriggrCon betwen July 25 and July 28.
All orders made during these dates will ship on Monday, July 31. Thanks for your understanding.

Rainier Arms Forged A4 Upper Receiver - Gen 2

Rainier Arms

Rainier Arms Forged A4 Upper Receiver - Gen 2


Rainier Arms Forged Mil-Spec Upper Receiver

Rainier Arms flattop upper receiver is carefully machined to mil-spec to serve as a great foundation for a quality AR rifle.

Rainier Arms Forged Upper was designed to fit our forged lower receivers with color, texture, & machining. These uppers are "T - marked" engraved and have extended M4 feed ramps.

Gen 2 Uppers are deep black finish and match well with RA lowers and MEGA lowers


  • Made from 7075 - T6 aluminum
  • Type III hard coat anodized
  • Matte black finish
  • Dry lube coating: Inside to reduce wear and adds lubricity
  • "T - Marked" engraved
  • M4 Feed Ramp

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