Kirk Freeman
Grandmaster
Not something I am into but gets a lot of bandwidth on INGO, pistol caliber carbines. FightLite (formerly ARES Defense) has a new pistol-caliber carbine in the works.
(Video at link)
FightLite Industries New Pistol Caliber Carbines - The Firearm Blog
(Video at link)
FightLite Industries New Pistol Caliber Carbines - The Firearm Blog