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Description
Side-folding compatible uppers featuring the Matador Arms® patent-pending EZTS™ “Easy Take-down System” with no tools required to break down the upper for maintenance and cleaning. These 9mm uppers are machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. The uppers are also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability.
The MAT-9™ 9mm AR upper is compatible with AR-9 Lower receivers in any double-stack magazine configuration:
