Anyone know if these are legal on an AR Pistol? Just curious if BCM has received a determination letter from the ATF. They are described as "Kinesthetic Angled Grip". I assume they are but just want to be sure.
http://www.bravocompanyusa.com/BCMGUNFIGHTER-KAG-KeyMod-Black-p/bcm-kag-km-blk.htm
http://www.bravocompanyusa.com/BCMGUNFIGHTER-KAG-KeyMod-Black-p/bcm-kag-km-blk.htm