Ar-15/M16 M4 Receiver Castle Nut
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specifications

Manufacturer:

Ergo Grips

Platform:

AR-15

    Ar-15/M16 M4 Receiver Castle Nut

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    None Ergo Grips None None None $ 6.99 Brownells Add

    Falcon Industries/ERGO brings this receiver extension castle nut for M4 style receiver extension tubes.

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