Thread: S&W M&P Thread
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Old 08-17-2013, 9:59 AM
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Shadowhawk012 Shadowhawk012 is offline
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Originally Posted by mnichols View Post
can anyone help me identify if i have "new" or "old" features on my new M&P 9? i read something about notches on the barrel... the date on the test cartridge is 7/10/13. serial # starts with HPR. also, what difference do these features really make? ( this is my first handgun ). thanks in advance.
Generally speaking, the only major differences as far as I know with the latest batch of m&p's this last year is the a more pronounced trigger reset.

I think the pro series have a newer barrel with a faster twist rate.

Hopefully someone will correct me if i'm wrong.
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