Hello, all. Not only am I new to the forum, but this is my first S&W firearm. Please keep that in mind haha. Okay, so are the magazines for the SD40VE interchangeable? Like, can I use a 14 round magazine in my gun, which came with a 10 round magazine? I ordered the gun today, so I haven't even held it yet. Also, can anyone recommend a good, affordable cleaning kit? I'm new to guns...

welcome to the forum.
yes the mags are interchangeable the ten rounder is a 14 rounder with two indents to restrict follower travel.

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sd40 new APEX kit & mag ext.