Pointer PERST-4 Aiming IR / Green Laser Sight with KV-D2 Tactical Switch Reset USA Posted by admin On January 22, 2024 Filed under pointer This product is installed on Picatinny rails. The KV-D2 Tactical swtich (in the kit)can be installed on picatinny rails and 1913 rails. The triangular area on the host can switch between visible laser and IR.