.40, .357 sig conversion

This is a discussion on .40, .357 sig conversion within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; Does it matter what platform I use for this scenario? Glock 23 or glock 32? Also are the chambers fully supported? Few years ago it ...

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Thread: .40, .357 sig conversion

  1. #1
    Member Array Rhodie2's Avatar
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    .40, .357 sig conversion

    Does it matter what platform I use for this scenario? Glock 23 or glock 32? Also are the chambers fully supported? Few years ago it was an issue. Thanks...

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  3. #2
    VIP Member Array multistage's Avatar
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    I've owned several 40s and several more 357 SIGs. For the life of me, I'll never understand the appeal of the big swap.

    My advice: if you want a Glock, buy a 23 or a 32. I guess the mags are interchangeable, but if you both guns, the mags are different.

    Get a SIG or an M&P. The mags are identical for the two catridges, no matter what the gun started out as.

    If you want to shoot a 357, dedicate yourself to the cartridge. It's worth it. Too me, at least.

  4. #3
    Member Array 40Cal365's Avatar
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    I have a factory m&p 357sig barrell for my m&p 40 , it runs great and only have to swap out barrels

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    Senior Member Array Chad0724's Avatar
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    I was just researching this for my glock 27 today actually.. I hear good things about the 357 sig

  6. #5
    VIP Member Array 40Bob's Avatar
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    Other than the bore they are the same gun. I don't think the factory barrel is fully supported, but it is better than it used to be.
    My rifle and pistol are tools, I am the weapon. Go big or stay on the porch.

  7. #6
    VIP Member Array zonker1986's Avatar
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    buy Glock of your choice either G23 or G32 and buy barrel in opposite caliber. G23 and G32 mags are interchangeable and will work in either gun. Also, the barrel for the G23/32 can be used in the subcompacts G27/G33. The only time you have to buy separate mags is if you decide to buy a 9mm conversion barrel for your G23/32. Then you have to buy G19 9mm mags as the .40/357 mags do not work.

    Here is my Storm Lake .40SW barrel for a G23/32 in my Glock 33. Works fine.

    Kimbers are the guns you show your friends....Glocks are the ones you show your enemies.

  8. #7
    Member Array Bigpoppa48's Avatar
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    Quote Originally Posted by 40Cal365 View Post
    I have a factory m&p 357sig barrell for my m&p 40 , it runs great and only have to swap out barrels
    Same here only vice versa

  9. #8
    New Member Array Frizzman's Avatar
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    I have a G23 and a Storm Lake 9mm and Lone Wolf .357 Sig barrel. They all work well. I use G17/19 for 9mm. In these times of ammo shortages, I like having a pistol that can use ammo in three calibers...I looked for some ammo recently and one place had a couple boxes of .357 at a better than usual price so my G23 became a G32!

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