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Thread: S&W 2.0 .40 4 conversion barrel

  1. #1
    Member
    Join Date
    Oct 2014
    Location
    NE Ohio

    S&W 2.0 .40 4 conversion barrel

    I love my M&P 2.0 4 .40. I just bought one after a lifetime owning over 20 Glocks. I made the move because it is softer shooting than a Glock 23 I owned. Getting a 40-9 conversion barrel for a Glock was always 1 click away. The only 40-9 remedy I can find is from Apex Tactical and that is a straight 9mm barrel that will require $175 to purchase and another $70 for fitting. My questions are:

    1-Does anyone know of a place to buy a 4 40-9 conversion barrel for an M&P 2.0 compact?

    2-Can I just buy a plain 4 9mm barrel and drop that in? Id prefer a drop in barrel rather than one that needs gunsmithing. Im trying to save $ doing this.

    3-Is Apex my only option here? Their solution is pretty spendy just to be able to shoot a 2nd cartridge. Please dont tell me to just buy another 9mm. I already have 6 9mm Glocks. Im looking for a relatively inexpensive way to become more proficient with the new platform.

    Thanks for your help

  2. #2
    Member
    Join Date
    Apr 2016
    Location
    TX Gulf Coast
    https://kkmprecision.com/product-category/mp/

    They make a 4 inch conversion barrel but the link on the website is dead. Might have to call and inquire about it. No fitting needed.
    Last edited by andre3k; 10-21-2019 at 06:11 PM.

  3. #3
    Member
    Join Date
    Oct 2014
    Location
    NE Ohio
    Thanks. Ill call them tomorrow. This is what I keep running into. Conversion barrels for 4.25 and 3.5 and none for 4.0. Ill report back after calling KKM.

  4. #4
    Site Supporter
    Join Date
    Jul 2017
    Location
    Texas
    Not the answer that you asked for but note that price is so low on Shields that you might consider buying a second gun in 9mm.

  5. #5
    I had a factory 9mm that I used to drop into my 40 and it perked right along. Never really checked accuracy, lots of reasons it should be but dunno.

    I fit one of the Apex Semi Fit in my 9mm and it was simple, I meant to check to see how it fit in my 40 before I started.

    Sent from my SM-G892A using Tapatalk

  6. #6
    Member
    Join Date
    Oct 2014
    Location
    NE Ohio
    Quote Originally Posted by mmc45414 View Post
    I had a factory 9mm that I used to drop into my 40 and it perked right along. Never really checked accuracy, lots of reasons it should be but dunno.

    I fit one of the Apex Semi Fit in my 9mm and it was simple, I meant to check to see how it fit in my 40 before I started.

    Sent from my SM-G892A using Tapatalk
    Was yours a regular 9mm and not a conversion barrel? Im not concerned about barrel hood sizes. I wonder if there would be a breech face issue. I can get a 4 9mm barrel from Faxon Firearms for $200

  7. #7
    Quote Originally Posted by rangerover View Post
    Was yours a regular 9mm and not a conversion barrel? Im not concerned about barrel hood sizes. I wonder if there would be a breech face issue. I can get a 4 9mm barrel from Faxon Firearms for $200
    Yes, it was common to just drop in a 9mm factory barrel and they would work. I speculate a $200 Apex barrel that requires simple fitting with files might work great.

    Sent from my SM-G892A using Tapatalk

  8. #8
    Member
    Join Date
    Oct 2014
    Location
    NE Ohio

    Final solution

    Im going with the Apex Tactical 4 threaded 9mm drop in barrel. Its $200. KKM had nothing in 4. Barsto is $240 and plus smithing. Apex says their barrels are designed to work in this application.

    Thanks to all for your replies
    Last edited by rangerover; 10-22-2019 at 04:48 PM.

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