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Picture of George43
posted
I have several low capacity 40 S&W magazines and several

High capacity 357Sig magazines. The only functional

differences appear to be the followers. Is this so?

If so, can I swap the 40 followers into the 357Sig

bodiea and have high capacity 40 magazines? Tia.


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The American Revolution was carried out by a group of gun toting religious zealots.
 
Posts: 3808 | Location: Spring, Texas | Registered: June 26, 2012Reply With QuoteReport This Post
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Call Glock customer service. Based on my call a few weeks ago wrt to 27 vs 33 mags I was told identical and no need to swap followers. Worth the call.
 
Posts: 1621 | Location: Raleigh, NC | Registered: March 29, 2006Reply With QuoteReport This Post
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The followers you have won't work as they are only designed for 10 round mags and the 10 round magazine bodies are different internally than standard/full capacity mags.. You would need to buy standard capacity followers in .40 for the .357 mag. bodies, in order to have full/high capacity mags.. The mag. bodies should be the same size internally for the .40 and .357 full/high capacity mag. bodies. I don't know if there are any differences on the face or angle of the follower between the two.

I would normally say you could sell the 10 rounders and buy newer mags but trying to find them now at a decent price will be tough..
 
Posts: 6845 | Location: Treasure Coast,Fl. | Registered: July 04, 2003Reply With QuoteReport This Post
Free men do not ask
permission to bear arms
Picture of George43
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Slight misunderstanding, my 40S&W mag is a 13 round.

My 357SIG mag is a 15 round. Went to the GLOCK

website they show 2 different 40S&W followers. I

will call GLOCK on Monday to get answer. The cost

of a follower is < $5.


A gun in the hand is worth more than ten policemen on the phone.
The American Revolution was carried out by a group of gun toting religious zealots.
 
Posts: 3808 | Location: Spring, Texas | Registered: June 26, 2012Reply With QuoteReport This Post
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Far as I know AS LONG AS THE MAG BODIES ARE THE SAME LENGTH then .40 and .357 mags have the same capacity.


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Posts: 3188 | Registered: February 27, 2013Reply With QuoteReport This Post
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Last post correct. If one mag is 13 rounds it is for the mid size frame ( ie Glock 23) and the 15 round for the full size ( ie Glock 22) follower won’t change capacity
 
Posts: 3271 | Location: Finally free in AZ! | Registered: February 14, 2003Reply With QuoteReport This Post
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