Upper Receiver (Forged) w/ assist and door


Our SOT Forged A4 Upper Receivers are great start to any build! They are precision machined with extended M4 feed ramps to enhance reliability.

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SOT Forged Upper (A4) Features:

  • A4 Upper Receiver machined from 7075 T6 aluminum forging
  • Mil-Spec Type III Hard Coat anodized
  • Our A4 uppers have Extended Feed Ramps cut in them for enhanced feeding reliability (M4)
  • Machined to Mil-spec Requirements
  • SOT logo laser engraved Extended Feed
  • Forward assist and ejection door installed


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