Other sources: "Tacticool was launched globally on iOS and Android platforms on January 29 2019."
A more detailed explanation here.
Now, go take your pedantic sanctimony and leave people who actually know firearms alone.
Look dude, keep your appeasement attitude to yourself. Your types give us Cocaine Mitch, and Mittens Romney, you stupid prick.
Another thing you stupid prick, I know a couple of veterans in my gun club who enjoy the sport but conventional rifles and carbines were too heavy and hard for them to handle. Then they discovered the AR pistol platform with the strapped brace they could put on their forearm and shoot accurately and more importantly, safely.
You said you can live with the Feds denying them a simple pleasure you enjoy with a “collapsible stock”, you’re the sanctimonious prick, not me.