Alexander Arms AR-15 6.5 Grendel 24rd Black Steel Magazine. Made by E-Lander for Alexander Arms. 6.5 Grendel capacity: 24 rounds. Steel body with reinforced floor plate tag. Steel floor plate with integral locking plate. Fully deburred feed lips and anti-tilt polymer follower. White polymer follower. 6.5 Grendel design. Overall length 7 in, width 2.50 in, height 1 in. Weight 0.49 lb. Heat treated steel body with black finish.