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I don't have these parts irl to actually try this out, would this be a sufficiently strong connection to hold an entire lower arm and a fairly heavy weapon? I'm doubtful, but I'd like to add a bicep swivel (more like lower arm in this case) in there so it can better hold its weapon.
The parts in dark bluish gray (ignoring the elbow and the ball peg piece) are the ones in question, in terms of sufficient amount of friction.
And I guess two questions if there wouldn't be enough friction, any ideas on how to increase it in some way, or if there are any alternate builds that may allow this same motion.
I was also going to ask for opinions on ways to increase the friction of the bracket piece in light gray so that there's more than 2 studs, but I can just use two smaller bracket pieces on both sides... so nvm about that!