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I have an old P228 and I’m looking at the Mec Gar 15-round magazines. I have seen some comments about them being GTG.

My question is: What specifically is different from factory 13-round magazines that allow the extra two rounds? Is the follower shorter, are the spring coils designed to compress within each other to get a shorter stack height, is the spring just shorter, etc?
 

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Yes, shorter follower as 12131 verified, plus no indentations on the sides, as the earliest German made magazines had.

Automotive design Automotive exterior Gesture Bumper Grey


Edit... pulled a P228/P229 15 round apart, follower on right, original 13 round Sauer & Sohn on left.
 

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I have an old P228 and I’m looking at the Mec Gar 15-round magazines. I have seen some comments about them being GTG.

My question is: What specifically is different from factory 13-round magazines that allow the extra two rounds? Is the follower shorter, are the spring coils designed to compress within each other to get a shorter stack height, is the spring just shorter, etc?
Welcome from Northern Indiana enjoy the conversation.
 

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Welcome. That is an excellent first post. 👍
 

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Welcome from Ohio. Having used the mec-gars for years even in my duty gun, they are good to go. It’s nice they are less expensive than the mec-gar made factory sig logo stamped mags .
 

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I have an old P228 and I’m looking at the Mec Gar 15-round magazines. I have seen some comments about them being GTG.

My question is: What specifically is different from factory 13-round magazines that allow the extra two rounds? Is the follower shorter, are the spring coils designed to compress within each other to get a shorter stack height, is the spring just shorter, etc?
Welcome from Texas.
 

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