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Old May 25, 2014, 09:37 AM   #4
carguychris
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Join Date: October 20, 2007
Location: Richardson, TX
Posts: 7,523
Quote:
Originally Posted by AirCool65 View Post
As far as I know, the S&W 39, 439, 539, 639, 909, 952, 3904, 3906, 3944 and 3946 all use the same magazines.
Only 3904, 3906, 909 (obviously!), and 952 mags will work in this pistol. The Model 909 is a 3rd-generation 9mm full-size single-stack S&W, and these pistols use a slightly longer grip frame than the previous generations. 3rd-gen mags will work in the earlier pistols, but NOT vice versa.

Mag availability is a downside to the 3rd-gens; IMHO the only decent option is factory mags, which run expensive and go through periodic supply droughts. Recommend you avoid Promags. Also, 3rd-gen compact mags (391x, 395x, and 908) are too short. OTOH, OEM 3904 & 3906 mags only hold 8rds, and 3904 mags are blued rather than SS, but these mags are the correct length and WILL work in a 909.

BTW the 3944 & 3946 are "phantoms"- these numbers would have been used for the DAO versions, but it's believed that none were ever sold.
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