u/CigaretteTrees · 2023-01-14 16:41:01 UTC · score 3

I’ve been looking into getting the proper licensing so I can try manufacturing novel machine gun and suppressor designs, not for resale purely for Research and Development. The ATF charges $500 annually and the Dept of State charges $2,500 annually for that privilege.

Back in the day an invento…

u/SirDeep · 2023-09-06 02:33:22 UTC · score 1

PolyMax PETG has a slightly lower tensile strength (31.7 MPa XY, 29.4 Z) and a lower Impact strength (9.7 kJ/m^2) than Polylite PLA Pro's tensile strength of (35.65 XY, 39.66 Z) and an impact strength of (13.44 kJ/m^2).

Impact strength is way more important than people realize when it comes to these applicat…

u/Divenity · 2022-04-11 19:05:18 UTC · score 3

>There is also language in the announcement about split receivers - is the implication that AR uppers now need to be serialized?

Unless the proposed rule has been changed without our knowledge, no, not at this time. The proposed rule contains the following:

>"One important goal of this rule is to ensu…