Next Level Armament Ascend Armory Mod 1 Mag Release Button Black. The Mod 1 Ascend Armory Mag Release Button has grooves running horizontally. The Mod 2 Mag Release Button has grooves running vertically. Whatever your preference is you will satisfied by the feeling of the Ascend Armory Mag Release Button. Specifications for Next Level Armament Ascend Armory Mag Release Button: Manufacturer: Next Level Armament Gun Make: AR Platform Color: Black Fabric/Material: 6000 Aluminum Weight: 0.05 lb Features of Next Level Armament Ascend Armory Mag Release Button Aggressive grooves provides positive engagement Package Contents: Next Level Armament Ascend Armory Mag Release Button Next Level Armament ASC203: Ascend Armory Mod 1 Mag Release Button Black