As we all know, there are a ton of factory and aftermarket magazines. From the factory magazines (S&W, Sig, Beretta, and Glock) to the aftermarket Magpul, ETS, promag, etc…
Which magazines have you used and which work best for the variance you have?
Glock Variance sub
The factory Glock 17, 18 magazines work flawlessly
The Magpul Pmag GL9 for the 17/21 Rd capacity magazines work flawlessly