Would a 7 rd CS9 or an 8 rd 3904 mag work in a 3913?

The 8 -round and later 9-round 3906/3904 mags do work in the 3913/3914 series guns. I use to carry a 9 round on my belt as a reload when I used the 3913 as my court gun early in my career. The 3906 mags stick out of the 3913 grip frame a little bit.

The 7-round CS9/early 3913TSW mags do not work. They do not lock in. BUT, there was a flush fitting 7-round 39XX series mag made. They came with the 3954 guns (one included along with a standard 8-round mag) and I am told some of the 3913LS guns shipped with them as well. Those mags are scarce though and for some reason bring scalpers prices here in the classifieds when they appear.

I don't know why as I can't understand why you would not just use a standard 8 round 3913 mag with a flat basepad and keep the extra round on tap. Hope this helps! Regards 18DAI

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7 +1 Rounds of hope & change

CS9 magazine is too short, will not lock into the receiver. 39/39-2/x39/39xx mags will work, but be careful to not over-insert them and they will stick out of the bottom of the receiver.

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VCDL, GOA, NRA

3913 7rd magazine

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All three styles are for sale by the same person. Just curious cause the prices vary so much. Already have six for my 3913, but when is it too many