Description
Sons of Liberty Gun Works 14.5″ Barrel – Combat Proven, Duty Ready
The Sons of Liberty Gun Works 14.5″ Barrel is a precision-crafted, combat-grade barrel built to withstand the harshest conditions and highest round counts. Whether you’re building a duty rifle, a mid-length fighting setup, or a pin-and-weld compliant build, this barrel delivers performance, accuracy, and long-term reliability you can trust.
Made from 4150 CMV steel, this 14.5-inch barrel is high pressure tested and magnetic particle inspected—ensuring each one is ready for serious use straight out of the box.
Specifications:
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Length: 14.5 inches
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Material: 4150 CMV (Chrome Moly Vanadium Steel)
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Finish: QPQ (Quench Polish Quench) Nitride for corrosion and wear resistance
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Twist Rate: 1:7
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Gas System: Mid-Length for smoother recoil and cycling
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Gas Block Journal: 0.750″
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Thread Pitch: 1/2×28 – ready for your muzzle device or suppressor adapter
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Chamber: 5.56 NATO
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Testing: HPT (High Pressure Tested) / MPI (Magnetic Particle Inspected)
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Made in the USA
Why Choose the SOLGW 14.5″ Barrel:
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Pin & Weld Ready: Perfect for permanent muzzle device installation to meet 16” minimum overall length
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Reliable Mid-Length Gas: Reduced recoil and improved longevity vs. carbine-length setups
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Duty-Grade Construction: Same barrels used in full SOLGW factory rifles trusted by professionals
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Superior Finish: QPQ nitride treatment provides exceptional resistance to heat, wear, and corrosion
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Guaranteed Quality: Backed by SOLGW’s commitment to craftsmanship and performance
Perfect For:
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Defensive and duty AR builds
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Custom pin-and-weld rifles
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Mid-length gas system fans
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Shooters who demand long-term reliability and tight QC standards
The Sons of Liberty 14.5″ Barrel is more than a component—it’s the heart of a fighting rifle. When you’re building for keeps, trust the same barrel trusted by professionals across the country.





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