SLR Magpul PMAG 15 Magazine Extension
Another amazing product! Shipping 10/10 again. Installation was 30 seconds. Quality is insane. Fits very well and looks a lot better on my gun than I pictured. No failure to feeds yet at 50 rounds. One hicccup I had was getting the spring to seat ( didn't use plastic retainer plate ). I was only able to fit 18 rounds, then I used the glock speed loader to help seat/adjust the spring and then its been perfect ever since.