VISM AKM MLOK Handguard Black The Vism AKM MLOK Handguard has a slim low-profile design with a standard Picatinny rail on the top of the handguard. It also has M-Lok slots on both sides of the lower and upper AK handguard for attaching M-Lok Picatinny rail sections or M-Lok compatible accessories directly to the handguard.