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Sons of Liberty UPPER-STRIPPED: The Sons of Liberty Gun Works stripped upper receivers are made to the tightest tolerances while still being compatible with Mil-Spec parts and upper receivers. This ensures that there is absolutely no wobble between receivers which can affect accuracy. These stripped AR-15 upper receivers are a great starting point for your next build. They are forged from 7075-T6 aluminum, which is known for its high strength and crack resistant properties while also being lighter than 6061. After the forging process is complete, the receivers go through a final machining process to eliminate flash marks and true up the tolerances to be better than MIL-SPEC. Finally, each AR upper is coated in a matte black hardcoat anodized type 3 class 2 finish to further increase corrosion and wear resistance. Get your build started today with the Sons of Liberty stripped upper receiver. Features: Forged from 7075-T6 aluminum, Machine finished to improve tolerances, Matte black hardcoat anodized finish, Compatible with Mil-Spec parts and receivers
