Upper Receiver “Enhanced” Forged (Stripped)


Our SOT “Enhanced” Stripped A4 Upper Receivers are great start to any build! Precision machined with Deep Extended M4 feed ramps to assist reliability along with an Ultra Smooth Bore for smooth Cycling and Charging Handle manipulation!

In stock



Our A4 “Enhanced” Upper Receiver is machined from 7075 T6 aluminum forging and is Type III Hard Coat anodized and features Deep Extended “M4″Feed Ramps cut in them for enhanced feeding reliability as well as an Ultra Smooth Bore for smooth Charging Handle and Bolt Carrier Manipulation & Cycling.¬† Featuring a Deep Dished machined Top Picatinny for Reduced Weight and Sleek Looks.¬† Machined to Mil-spec Requirements with our SOT logo laser engraved on the tongue of receiver.

  • Precision Machined
  • Ultra Smooth Bore & Charging Handle Channel
  • Deep Dished Machined Upper Picatinny
  • Reduced Weight (6.7oz)
  • Our Enhanced Uppers have Deep Extended (M4) Feed Ramps for Enhanced Feeding Reliability
  • Machined from 7075 T6¬†Aluminum Forging
  • Mil-Spec Type III Hard Coat anodized
  • SOT logo laser engraved on Upper


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