• 558 Holographic Optical Sight:The 558 holographic optical red dot is an excellent choice for professionals. fits any 20mm rail.
• 558 offers true two eyes open shooting for fast target acquisition, switchable red and green dots, and a 7mm raised quick detach base for lower 1/3 iron sight co-witness.
• Excellent Quality:Very clear lens, highly transmittance, no mirror effect, it doesn't reflect your face or something else etc
• Outtershell hard anodized, under strong light enviroments, the red dot still very clear. no problem to aim.
• Holographic Reflex: The holographic display enhances target acquisition speed and field of view awareness.