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M&P 40 Caliber Change? #14696438 03/23/20
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Son_of_the_Gael Offline OP
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I'm sure I've read something here about switching calibers in the M&P but don't recall specifics. I have a full size M&P 40 (not 2.0), what's it take to make it a 9mm? Barrel and mags of course, but what else? Are the barrels drop-in?

TIA


"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffet)

SotG
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Re: M&P 40 Caliber Change? [Re: Son_of_the_Gael] #14696669 03/23/20
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MarkinGA Offline
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When I had one it required a conversion barrel (KKM was my preference) and 9mm mags. That was all. Mine actually worked and cycled pretty much flawlessly.

Mark in GA

Re: M&P 40 Caliber Change? [Re: Son_of_the_Gael] #14708037 03/26/20
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222Sako Offline
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You can use S&W 9mm barrels. They don't fit tight, but the guys over on the S&W claim accuracy doesn't suffer much with this setup.


Then you will know the truth and the truth will set you free.
John 8:32

A lie doesn't become truth; wrong doesn't become right; evil doesn't become good, just because it's accepted by the majority...Rick Warren



Re: M&P 40 Caliber Change? [Re: Son_of_the_Gael] #14708680 03/26/20
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Bluedreaux Offline
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I’ve got a KKM 40-to9 conversion barrel that’s been perfect.


Originally Posted by SBTCO
your flippant remarks which you so adeptly sling
Re: M&P 40 Caliber Change? [Re: Son_of_the_Gael] #14709138 03/26/20
Joined: Jul 2004
Posts: 4,996
Son_of_the_Gael Offline OP
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Thank you, gentlemen. I see that Storm Lake and KKM are essentially the same price, any reason to choose one over the other?


"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffet)

SotG
IC-A

Re: M&P 40 Caliber Change? [Re: Son_of_the_Gael] #14710448 03/26/20
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MarkinGA Offline
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I’ve had both in several calibers. Prefer KKM myself.

Mark in GA


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