Anarchy Outdoors Extended Magazine Release MPA Chassis Black MPA-EMR. The MPA Extended Magazine Release adds just under 1.5 extra inches of reach for your fingers and is placed on the factory release tabs and snaps in place. This allows you to drop the mage without taking your hand off the grip of the gun. Ambidextrous. Specifications for Anarchy Outdoors Extended Mag Release MPA Chassis: Manufacturer: Anarchy Outdoors Gun Make: MasterPiece Arms Hand: Ambidextrous Color: Black Fabric/Material: Nylon Additional Features: MPA Chassis compatible Features of Anarchy Extended Mag Release MPA Chassis Dimensions: 1.54" x 1.5" x 0.6" Package Contents: Anarchy Outdoors Extended Mag Release MPA Chassis Anarchy MPA-EMR: Extended Mag Release for MPA Chassis Black