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July 1, 2018 - Development of the Walther PPS extended magazine.
The Walther PPS is a single stack pistol designed for concealed carry. We are developing a polymer extended capacity magazine. The largest capacity magazine currently available holds only 8 rounds. We want something that can hold 15+ rounds. Since the magazine will be much larger than existing magazines, this will primarily be a range toy. It will allow us to get more shots off without having to reload as often.
We start off with developing 3D models for the initial designs. We make a design, inspect, make changes, add features, make changes again...This is a very iterative process. The image below represents the 9th iteration.
Once we get the design to a decent point, we take it to the 3D printer where we make a full scale prototype that we can use for additional tests including seeing how well it works in the actual pistol. 3D printing is a great design tool. It helps speed up the design process by helping us detect issues early on. We document all the issues and other nice to haves. We then go back and update the 3D model, print a new prototype in the 3D printer and repeat the process over again. We think we need another 2 months before we are ready to launch the new magazine. The magazine shown below also has the bottom cap. We will have a spring loaded push-button to allow field stripping the magazine, if the need ever arises.
We have identified a few improvements to and will update the 3D model. Next on the list is testing magazine springs. After that, we will create a functional prototype out of a stronger polymer and do some range testing.