An upgraded firing pin for the Masterpiece Arms Defender series of guns. Made from 17-4PH H900 stainless steel. This firing pin is made to the same geometry as the OEM firing pin, but is made with superior materials for improved durability and corrosion resistance. You can buy directly from our website here: https://www.sovereigndev.com/shop/mpa-defender-firing-pin-31#attr=11
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