Stick a pin in this one because it isn't a walk in the park. It's not so much a single myth as bad assumptions and misinterpretations of good information. Caleb and Steve sort it all out for us!
What weapons were used in the Vietnam war? - Quora
Postcard, Arkansas-Missouri Power and Ice Company Circa 1920s
Why You NEED To Use Anti-Walk Pins In Your AR-15
KNS Precision AR15 anti rotational trigger pins, Install & Review
Smyth Busters: Matching AR-15 Gas System to Buffer System
Which is better as a CA Compliant AR/AR alternative - the Fightlite SCR, the Smith and Wesson M&P 15 sport, or the Ruger Mini-14? For general use, not competition for long range
Best New Gear and Coolest Gadgets This Week, According to Men's Journal - Men's Journal
Smyth Busters: Do You Have To Pin an AR-15 Gas Block? - High Chaparral Gunsmithing
Unboxing & Toy Review of JUST A GIRL / HELLO NORI
Smyth Busters: Does Your AR-15 Need Anti-Walk Pins?
How to Install an AR-15/M16 Trigger
Smyth Busters: Are Polymer AR-15 Lowers Any Good?
Doc Savage Silver Age Edition in 1/6 by Go Hero x Executive Replicas