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Old 08-01-2010, 22:26   #1
tonelar
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9mm to .357SIG?

Hi everyone,
On another forum, I heard someone saying that with a 3rd Gen G17, you could just swap barrels and shoot .357 SIG.
Now, I'm aware that this is the case with most .40 SW pistols.
Can the G17 be made to function safely with just a barrel and magazine swap? Or, would this need a slide (top end) swap as well?
More likely scenario- the poster might have been referring to a G22.
Thanks in advance!
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“Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.” Terry Pratchett

Last edited by tonelar; 08-01-2010 at 22:30..
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Old 08-01-2010, 22:54   #2
GRR
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Quote:
Originally Posted by tonelar View Post
Hi everyone,
On another forum, I heard someone saying that with a 3rd Gen G17, you could just swap barrels and shoot .357 SIG.
Now, I'm aware that this is the case with most .40 SW pistols.
Can the G17 be made to function safely with just a barrel and magazine swap? Or, would this need a slide (top end) swap as well?
More likely scenario- the poster might have been referring to a G22.
Thanks in advance!
No, a 357 sig barrel won't fit in a 9mm slide. Bigger diameter. Breach face on the 9mm is too narrow also. A top end swap would be necessary. I'd probably change out the 9mm ejector for a 40 cal also. You can put a 357 sig barrel in a 40 cal Glock.
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Old 08-01-2010, 22:58   #3
Great Googly Moogly
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Originally Posted by GRR View Post
No, a 357 sig barrel won't fit in a 9mm slide. Bigger diameter. Breach face on the 9mm is too narrow also. A top end swap would be necessary. I'd probably change out the 9mm ejector for a 40 cal also. You can put a 357 sig barrel in a 40 cal Glock.
Also, a 9mm conversion barrel will fit a .40/.357Sig slide.
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Old 08-01-2010, 23:31   #4
tonelar
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Oh, I getcha- go with a G22(40) or G31(357) first/ then for range purposes you can get away with a 9mm barrel. Thanks GGR and GGM!
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“Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.” Terry Pratchett

Last edited by tonelar; 08-01-2010 at 23:33..
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