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    Home / Search / Sapien Arms 6.03mm M4 / M4A1 / SG551 Tightbore Barrel - 363mm

    Sapien Arms 6.03mm M4 / M4A1 / SG551 Tightbore Barrel - 363mm

    SKU: ACC-SAP12-363MM Sapien ArmsOut of stock

    $37.95
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    Sapien Arms 6.03mm M4 / M4A1 / SG551 Tightbore Barrel - 363mm

    The Sapien Arms performance 6.03mm series of tightbore barrels are the newest tightbores out on the market. They feature a heavy metal Ni (nickel) coating for high lubricity and performance, and increase performance (power) an average of 15% with installation.

    The super slick Heavy Metal Nickel Finish strengthens and protects the barrel, while reducing friction (conserves velocity & back spin). This 363mm barrel fits most M4 / M4A1 Carbine / SG551 metal gearbox AEGs.

    Precision manufactured in the USA, each barrel is HAND TESTED for tolerance and to ensure quality.

    Note: Ready to use right out of the box, though professional installation is recommended/may be required. Please use only ultra high-quality precision seamless BBs in your gun after installing this barrel, as inferior grade BBs (i.e. BBs from sporting goods stores) WILL jam inside this barrel.


    In the Box

    Specifications:



    California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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