MDT Magazine, 6GT, 10 Rounds, Fits Short Action AICS Pattern, Polymer Construction, Black 107710-BLK MDT Detachable AICS box magazines are designed to fit the MDT TAC21" ACC Premier and ACC Elite" HNT26" ORYX" TIMBR ESS" LSS-XL" XRS and LSS Chassis systems" as well as many other M24 type chassis and bottom metals. Manufactured from high quality Polymer and uses a tempered steel spring.