L'Antre du Dingo received two optics for review under the Ama Tsu Maru brand. The first is a red dot sight resembling the Eotech 553. This sight offers a choice between red or green reticles, with multiple brightness levels for each color. It also allows for adjustments to both height and windage. The second optic is the ATM SIG R5 red dot sight. Similar to the first, it features multiple brightness levels and adjustments for height and windage. The ATM SIG R5 is powered by a CR2032 battery (not included).