Sons of Liberty Gun Works M4-EXO3 AR-15 14.5 inch .223 Wylde Upper Receiver Group Medium Midlength 1-7 Black
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Sons of Liberty Gun Works
Overview
The Sons of Liberty Gun Works M4-EXO3 Upper Receiver Group features a complete assembly with a 14.5-inch barrel chambered in .223 Wylde, allowing for both .223 Remington and 5.56 NATO ammunition. Its mid-length gas system is optimized for reliability and smoother cycling, while the 1:7 twist rate stabilizes a wide range of bullet weights for versatility in various shooting applications. This upper receiver is commonly found in builds aimed at achieving a balance between maneuverability and accuracy for both tactical and recreational use.
Specifications
Sons of Liberty Gun Works M4-EXO3 AR-15 14.5 inch .223 Wylde Upper Receiver Group Medium Midlength 1-7 Black
Available Merchants(3)
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Build history on GunPartPicker
Builders on GunPartPicker first added the Sons of Liberty Gun Works M4-EXO3 AR-15 14.5 inch .223 Wylde Upper Receiver Group Medium Midlength 1-7 Black to a build in August 2026.
It was hard to find in September 2026, in stock on only 2 of the 27 days we checked, and today none of the 3 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $725, so there haven't been real sales lately. Listed prices start at $675 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 36 retailers
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