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    Grey Ghost Precision Cornerstone Forged Lower Receiver - Multi Cal

    Manufacturer: Grey Ghost
    Availability: In stock
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    No shipments to California or Cook County, IL.

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    They have worked closely with their partners at Mega Arms to bring this lower to the market.


    • Machined to tighter than Mil-Spec tolerance, the critical tooling dimensions are held to within + - .001
    • Machined from forged 7075-T6 Aluminum
    • Black Hard anodized with a surface hardness of 60 Rockwell
    • Features nylon tipped tensioning screw to ensure the solid fit between upper and lower maintains for years to come.
    • Functions with nearly all available AR parts kits and uppers.
    • Flared mag well
    • Pictogram safe and fire indicators
    • Chevrons on the front of the mag well and the distinctive Grey Ghost markings tie the Cornerstone to the Specter Series of Rifles from Grey Ghost Precision
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