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Sig 229 Mags/226Mags? Login/Join 
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Picture of schrack
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I just made a discovery, 226 .40/.357 Mags fit and function in a 229. The 229 Mags will not fit in the 226. Also the 226 9mmm Mags go into a 229. Both have a little hang over on bottom. They will function in 229 9mmm also.
So what gives? Why?
 
Posts: 2154 | Location: Delawhere??????????????? | Registered: June 19, 2005Reply With QuoteReport This Post
Oriental Redneck
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Because the P229 (.40/.357) mag has always been wider at the bottom half, ever since the P229 came out. The P226 mag has always been uniform from top to bottom (i.e., no wider step like the P229 mag).
 
Posts: 20340 | Location: TEXAS | Registered: September 04, 2008Reply With QuoteReport This Post
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When I bought my Beretta 92 during the infamous “Assault Weapons Ban”, it came with 2-10 rd magazines. A friend of mine in law enforcement told me to get two 10-rd 40S&W magazines. Seems they worked great in the 9mm, and held 14 rds. Just tried my P229 and P320 magazines in 40S&W, and they easily hold the 9mm cartridges.I definitely would not try this for CCW, but will try using the 40 S&W mags next time I go to the range with the 9mm, just to satisfy my curiosity. Not sure what would happen in a state that has a magazine limit.
Just tried my 40S&W mags with 9mm: P229(12 rd) will hold 14 9mm, but had problems removing the cartridges, probably due to slight differences in the followers. The P320SC(10rd) held 12-9mm, just like the 9mm magazine would. The 320Compact(13 rd) held 15 rds of 9mm, like the 9mm version, and seemed to feed OK removing the cartridges(as did the SC). The 320 FS(14 rds 40S&W) would only hold 16 rds of 9mm vs. 17 rds for the 9mm version, but had no problems in feeding.
Inquiring minds want to know!


A superior pilot is best defined as one who uses his superior judgment to avoid situations requiring the use of his superior skill.
 
Posts: 325 | Location: St. Louis, MO | Registered: June 15, 2003Reply With QuoteReport This Post
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Yep. Per 12131, wider P229 mags are too big to fit in the P226 magwell.

After I read about this in a SF post 10 years ago, I ran all of my P226 .40 mags through my P229 .40. No malfunctions.

Lots of odd things work because...they just work. One example is the P239 .40. It will accept and function reliably with a factory OEM 9mm barrel (not a conversion barrel). Not only that, with the 9mm barrel both .40 and 9mm mags can be used reliably.

In addition, the discontinued Sig OEM "Plus 1" kits which give one extra round in the mag, will function with both the P239 .40 and 9mm mag bodies. Even though they were marketed for .40 cal only.

The longer you've been around guns, the more weird shit you'll probably discover.


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Posts: 4382 | Location: Northeast | Registered: June 29, 2006Reply With QuoteReport This Post
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Thank you, I am so glad my 74 year old mind is not playing tricks on me!
 
Posts: 2154 | Location: Delawhere??????????????? | Registered: June 19, 2005Reply With QuoteReport This Post
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