Interesting,wonder what the loophole was?
https://www.outdoorhub.com/news/201...c-plans-unveil-big-secret-upcoming-shot-week/
https://www.outdoorhub.com/news/201...arrel-firearm-standard-ar-stock-atf-approval/
https://www.outdoorhub.com/news/201...c-plans-unveil-big-secret-upcoming-shot-week/
https://www.outdoorhub.com/news/201...arrel-firearm-standard-ar-stock-atf-approval/