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MPX Firing Pin/Bolt

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I’ve been researching and debating a spare parts purchase for my MPX. I’ve seen quite a few people talking about firing pin failures. After disassembly of mine I found that my Gen 2 has the firing pin with no spring in it. Apparently Sig is replacing this style bolt with a newer version with firing pin spring. 


My question is have any of you contacted Sig and requested the upgrade without having a broken firing pin? I like to be prepared with extra parts and apparently buying a extra firing pin for this style bolt is not an option. Just trying to think ahead of the 2019 shooting season. 


Coming from a AR9 i’ve experienced the broken firing pin on the 1st stage of a Lvl2 match and not having a spare. Thanks for any input you might have. 

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