BILLET Set Upper & Lower (Stripped w/ Assist & Door)


Our (SOT) Stripped Billet Upper and Lower (Set) is a high quality, sleek, versatile Billet Receiver Set that will complement any build!

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SOT BILLET SET Upper & Lower (Stripped with Forward Assist and Ejection Door installed):

This Billet Lower marks the beginning of a great rifle or build!

  • CNC Machined from 7075 T6 Billet
  • Type III Class II Anodized Black
  • Wire EDM Magwell Profile
  • .154″ Diameter Trigger & Hammer Pin Hole
  • Multi Caliber Marked
  • Integrated Machined Trigger Guard
  • Reinforced Buffer Tube Area
  • Fared Magwell
  • Upper Tension Screw
  • Lifetime warranty against manufacturer defects

Our SOT Billet Upper is machined from Billet 7075 T6 Aluminum unlike the more commonly used 6061.

Machined on State of the Art 5th Axis machining centers. Using the 7075 T6 aluminum gives the SOT Billet Upper a 65% increase in strength & rigidity over 6061 aluminum receivers. They are made using  5th Axis machining centers to reduce the number of operations/setups required to produce. This machining process allows the highest possible tolerance of accuracy to be obtained over the traditional 3 or 4 Axis machining method. Our SOT Billet Upper is designed for increased function, performance & to provide an advanced modern appearance & feel to our AR15 weapon system.


  • 5 axis machined from 7075 T6 billet
  • M4 feed ramps
  • Machined Engraved ” T” numbers
  • Forward Assist and Ejection Door installed
  • 1913 picatinny Rail flat top
  • Mil Spec Type III class II hard coat anodized Black
  • Enhanced Swept Shell deflector
  • Forward Assist machined into receiver
  • Dust cover port machined into receiver
  • Increased wall thickness for added rigidity
  • Compatible with Mil spec parts
  • Compatible with most aftermarket handguard/rail systems
  • Lifetime warranty against manufacture defects
  • Comes with (Dust Cover & Forward Assist Assembly) installed
  • Compatible with “Tactical Link” Enhanced Battery Assist Lever
  • Special Ops Tactical and logo laser Engraved on upper


Item must ship to an FFL. Please let us know which FFL will be receiving this item in the Comment box during checkout. If you need help we will assist you with this. If your FFL is not already on file, please have them fax a signed copy of their license to 407-703-5947 and include your name and order number on the cover sheet.


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