u/danishbulldog · 2023-03-23 00:04:55 UTC · score 66

The DB9 Alloy is an attempt to bring a Mac based PCC to you guys while mixing 3D printed parts and laser cut steel. It uses steel plates that clamp two printed blocks together. Then the assembly is screwed to the lower. The lowers are interchangeable with either sten based mags or Glock mags. This…

u/waferelite · 2025-04-04 18:44:16 UTC · score 10

Material: Polymaker PLA Pro Print settings: 230/60, 100% infill, 4 walls Printed: early Feb 2024

If you’re using a Sten-mag DB Alloy or a UMP-11/9, be careful if the baseplates on your magazines are printed with PLA derivatives. These sat under constant spring tension for a little over a year (unloaded…

u/TheAmazingX · 2025-05-06 18:29:30 UTC · score 41

It works.

I updated the trip to also move the lever back, as the bolt often seems unable to reach that far back as a consequence of the trip spring functioning as a progressive recoil spring. I added weight to the trip to help some more with it chasing the bolt early, but I don't think it's necessa…