I have seen people say that FDM (filament) printers make strong parts, but SLA resin printers do not. That is only true if you use typical resins. After much testing, I have discovered which resin is the strongest and it is Siraya Blu. This video is a case study in using this resin to prototype tough functional parts, such as a gun / firearms silencer / suppressor, for experimental and research purposes. I have also used this resin on an Anycubic Photon, a Zortrax Inkspire, A Peoply Moai, and an EPAX X1.

Everyone involved has a manufacturing license with the BATF.


https://www.atf.gov/file/11281/download