That sounds like a good idea. Origin industries might be a good choice since they kinda serve everyone.
Also, I'm not screwing with the guidelines. I'll say again forever and always, I'm building technology, not a metagame. This design will have a weight capacity, not an imaginary damage limit. SADR v3 was specifically called 'a tool for GMs' and not a rigid game mechanic.
That being said, if an operator wants to carry a 100 lbs ADR 5, or whatever it is now, rifle and they do not equip a recoil management device of whichever type I create- well, he's going to break his shoulder.
If the operator wants to use an ABSR and doesn't have thermal protection- well, he's going to have one hell of a sunburn.
If the operator wants to use a bubble shield while he's wearing a bikini- well, he's gonna microwave himself to death.
The idea is that people are smart enough to think things through.
I'm going to offer a variety of parts. I'm thinking of three, maybe four levels of parts providing different load-bearing effects. Heavier servos equal more lifting power, if you have the most weight capacity allowed yes, you may duel wield machine guns. You're also a much bigger target and you'll need a garage door to enter a building, but hey- if that's what you want, fine. SARP tech can be for more ludicrous than that.
I'm not mad or anything, I'm just tired of constantly seeing people tell others 'you can't do that because SADR v3' which is a guide for classification, NOT HARD SET RULES.