Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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15" SDX MKII Rail
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Your Price $159.99

    US made- machined onsite in our Friday Harbor facility
    Machined from 6061-T6 extrusion for strength durability while keeping weight to a minimum.
    The SDX MKII utilizes a positive dual lock up and 8 screw system to securely isolates the free float rail and keep it secure
    Self indexing, single top picatinny rail allows the mounting of optics and iron sights
    Positive lock to the barrel ensuring added security that it won't come loose under fire,
    Type 3, Class II, anodizing means its tough as nails and matches the anodizing on mil-spec upper receivers, and
    1.46" Cross Section, 1.3" Inner Diameter
    Proudly machined and assembled in the USA
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837