· Material: Aluminum 5052 and 6061 · Weight: 575g · Compatible with STK-74, TKMS, LCK74MN, LCK74M, LCKS74M, AIMS, LCKM-63, LCKM, LCKMS, LCKS74, LCK74, LCKM Economy, LCKMMS, TX-63, TIMS and G03 AEG · to install this handguard in LCK47, LCK47S and M70AB2 AEG models it is necessary to remove the gas chamber · to install the TX-MIG AEG model is necessary to modify the position of the front sight block