ACOG USMC RCO M4/M4A1 4x32mm Fixed Red Chevron W/TA51 Mount

This new Advanced Combat Optical Gunsight delivers battle-tested performance engineered specifically for M4 and M4A1 platforms. The 4x32mm fixed-power design features dual illumination combining fiber optics and self-luminous tritium, requiring no batteries while maintaining visibility across all lighting conditions. The distinctive red chevron reticle enables rapid target acquisition at close range while the bullet drop compensator extends effective engagement to 800 meters. External windage and elevation adjusters operate tool-free and maintain waterproof integrity to 11 meters. At 5.98 inches long and weighing just 14.9 ounces, the forged aluminum housing incorporates Trijicon's Bindon Aiming Concept for both-eyes-open shooting and superior situational awareness. Dry nitrogen filling prevents fogging in extreme conditions. Integration points for an RMR are built into the eyepiece housing. Complete package includes TA51 mount, killFlash device, protective scopecoat, lens cleaning pen, and manual. Military-proven reliability with shock resistance across all calibers.