R4E Night Sights.
Meprolight Sting Dual Lasers Aiming Device.
Mepro M21 Reflex Sight.
Meprolight Launches Its Unique MEPRO O2 Red Dot Sight, Featuring Multi-Pattern Reticle for Optimal Tactical Advantage for Armed Forces & Law Enforcement Agencies
https://soldiersystems.net/2021/02/1...ment-agencies/
Mepro O2 Red Dot Sight
https://www.meprolight.com/product/mepro-o2