ECM rifling 4150 steel blanks or even rebar is totally feasible to create rifled barrels. 100%.
I'm working on developing a basically fully printable small form AR platform that people with sub $150 printers can use. I realize not everyone can afford the big boy filament printers so hope to effectively develop and share the information for poor boys like myself to join the armed anti-tyranny league as needed.
Dude. I gotta check this out.
And shame you always get into boating accidents and your repeated workshop fires set your work up in flames.
The 911 commission proves jet fuel melts steel. Shrug. Oops.
And that's the thing. Print stiffness into it. Yep inserts. Inserts to stiffen critical areas. Print them into the structure.
Just like a Glock mag.
Cut me in homie. I got you. LoL
Go check out the H.A.T.E.D community.. We can freely speak there about all sorts of freedoms. :)
https://peakd.com/c/hive-146963/
The small print AR platform is like half done.. I can do lowers on tiiiiiiiny printers.. Working on modelling the upper body in a 2 piece and the buffer tube as a 2 piece as well so those with small printers only need buy the Bolt carrier group and barrel (or make them)
I definitely joined