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Discussion Starter · #1 ·
From everything I’ve read in past post, on the G27 Gen 3, I can just swap the barrel from 40 to 357 without changing other parts. Am I correct? Also, since I’ve never shot a 357, is the recoil much different between the two?
Thanks for reply’s.
 

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I prefer & am more accurate with .357 Sig over .40 S&W. My edc pistol is a Glock 27.4 with a g33 barrel. Before that I carried the same setup in a 27.3. I switched about a year ago to the Alpha Wolf G33 barrel for my 27.4. It hasn’t failed me to date.

Wood Gun barrel Material property Trigger Gun accessory

G27.4 with G33 barrel.

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M&P 40c with a .357 Sig Storm Lake barrel.
 

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I did this after Glock replaced the lower plastic base on my G27
Barrel EZ enough
Magazines had to be replaced with 357 which do not offer the loooong one for 40s

I did read others only had to replace followers, etc.
I am not lucky with Glocks, better with SA
 

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I did this after Glock replaced the lower plastic base on my G27
Barrel EZ enough
Magazines had to be replaced with 357 which do not offer the loooong one for 40s

I did read others only had to replace followers, etc.
I am not lucky with Glocks, better with SA
I’ve never have swapped mag followers. I use both .40 & .357 sig magazines for .357 sig. never had a an issue. Fwiw.
 
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