You make the effort of capturing relevant videos and compiling graphical summaries to distinguish your posts only to see vendetta driven assholes swallowing unimaginative bait because they want to believe anyone claiming to be you. No wonder Burt gave up on the lemmings over at /hg/
>>64512990
That would be 80% - 90% of /frtssg/ unfortunately hence their being filtered by concepts such as bolt velocity, mass and carrier bounce. Rule of thumb is to gas port max if you're exclusively shooting sub-NATO spec ammo unsurpressed though there are exceptions like Colt 605 anon who was able to get his running at only 650 - 800 RPM