AR15/M16 16" 5.56 M4 Barrel Assembly
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specifications

Manufacturer:

Colt

Platform:

AR-15

Caliber:

5.56 mm NATO

Barrel Length:

16"

    AR15/M16 16" 5.56 M4 Barrel Assembly

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    5.56 mm NATO Colt None None None $359.99 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    Factory Colt 16" 5.56x45mm NATO Barrel Assembly ready for your next build.  Barrel Assemblies includes front sight base, front sight tower & parts, handguard cap and barrel nut.  Muzzle is threaded 1/2-28 for installation of various muzzle devices.  Bore is chrome lined, for extended service life and corrosion resistance.  Features 1-7 twist for superior performance with heavier bullets.


    AR-15, Issue:11, Page:019
    Big Book Catalog, Issue:70, Page:017

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