An online video reviews the Matador Arms MAT-9 9mm pistol caliber carbine upper. It addresses product description, visual design, one assembled example, trials across multiple lower receivers, ammunition results, barrel features, compact carry potential, rear components, intended users, pricing, accessory choices, and field disassembly plus listed strengths and weaknesses.

The footage was filmed and edited by milehighangel on a Canon M50 Mark II. Related material appears on Rumble.