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Be sure to enter the NES/Pioneer Valley Arms February Giveaway ***Smith & Wesson SD9VE 9MM***
I dont belive you mentioned a price range..but a few 9mm suggestions I'd consider
High end - USP9c
Middle of the road - Sig 229
inexpensive - Ruger SR9c
I shoot a Sig 226 and 229 and previously have shot a Sig 220. They are great guns, bery reliable but for concealed carry I will only use a gun without any external hammers or safeties. Thus my preference would be for the S&W M&P line for it's ergonomics ot the older S&W 99/Wa;lther P99. While I prefer the ergonomics of the S&W M&P line the Glocks also fit my criteria and are equally reliable.