I installed one on mine and decided to put the original back in. The mags just seemed to have a little more front to back movement. I wish they were sold extra tall, and then the end user could file down the proper amount, and you could get a better fit for all of your mags, IMO. My factory one still allows for some movement in my AGP10rd and Surefire12rd, if I was able to grind the proper amount off the top, I could have my stick mags fit like an MD drum, Not an expert here but why aren't these sold longer?
Another issue I noticed with the factory catch, is that it isn'y "square" on th