Sons of Liberty Gun Works M4-EXO3 AR-15 14.5 inch .223 Wylde Upper Receiver Group Medium Midlength 1-7 Plan B Black
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Sons of Liberty Gun Works
Overview
The Sons of Liberty Gun Works M4-EXO3 AR-15 Upper Receiver Group features a complete assembly with a 14.5-inch barrel chambered in .223 Wylde, allowing for versatility with both .223 Remington and 5.56 NATO ammunition. Its mid-length gas system enhances reliability and reduces recoil, while the 1:7 twist rate is optimized for stabilizing a wide range of bullet weights, making it a solid choice for various shooting applications. This upper receiver is often found in builds focused on precision and versatility, suitable for both recreational shooting and tactical use.
Specifications
Sons of Liberty Gun Works M4-EXO3 AR-15 14.5 inch .223 Wylde Upper Receiver Group Medium Midlength 1-7 Plan B Black
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 Plan B Black to a build in August 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $775 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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