The file 'PPS-43C (9MM) Action Block 3D Printer Model' is (stl) file type, size is 25.2KB.
A simple spacer block for the inside of a 9mm pps-43c to fill up the gap where casings like to collect and cause issues. No guarantees on durability of your plastic parts in a hot gunpowder environment, but it has worked for its intended use.
Likely better to print in ABS or other high temp filaments.
pps43actionblock_v2.stl | 69.4KB |