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  • Yankee Hill Machine 5.5" 9mm Kit

    Yankee Hill Machine 5.5" 9mm Kit

    Product Features Our Full Top End Kits include everything you need to convert a Mil Spec AR-15 type rifle into a 9mm carbine. Only the best products in the industry have been selected for these kits.  These top ends were designed and tested using a...

    $630.00
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