When I bought my pistol and disassembled it I soon had some questions about re-assembly. I wasn't able to find much information about this model or a parts diagram. I was able to figure out the re-assembly sequence by examining other M&P models parts diagrams and reviewing pictures of my disassembly.

I documented the assembly and put together a post detailing what I found to be the best assembly sequence with pictures and hard won tips.

Hope this is helpful to others. Constructive criticism is welcome but please read the post in its entirety first.

M&P .22 Pistol Assembly w/tips and tricks - RimfireCentral.com Forums

Excellent information

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JR