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The Fail Zero complete bolt carrier is the BCG that you want to put in your rifle. The Fail Zero BCG's are assembled and ready to drop into your mil-spec upper receiver. The thing that sets fail zero apart from other manufacturers is that all the critical parts are coated with a Salt Bath Nitride finish providing durability and increase in wear and corrosion resistance.

FZ 9mm Nitride

$179.99Price
Out of Stock
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