Trijicon

Trijicon's ACOG (Advanced Combat Optical Gunsight) is a fixed power, compact riflescope with an illuminated reticle pattern for use in bright to low/no light with legendary durability and reliability. Every feature of its design was chosen for a single purpose, to provide increased hit potential in all lighting conditions. Fewer moving parts than a variable optic equals more durability, and the forged 7075-T6 aircraft-aluminum-alloy housing provides for a nearly indestructible sighting system. Multi-coated lenses provide superior clarity and light-gathering capabilities with zero distortion. The ACOG is dry-nitrogen-filled to eliminate fogging and waterproof to 100 meters. It is shock-resistant, proven to withstand recoil from 22LR up to 50 BMG, and easily passes U.S. military drop test requirements. The ACOG/RMR Combo includes a RMR (Ruggedized Miniature Reflex) sight made from 7075-T6 aluminum to mil-spec standards, and has a patented shape that absorbs impacts and diverts stresses away from the lens, increasing durability. The LED RMR model is powered by a CR2032 battery to automatically adjust to light conditions. This ACOG/RMR combo features a dual illuminated red crosshair .223 ballistic reticle (calibrated out to 1000 meters), an LED RMR with 3.25 MOA dot, and includes a TA51 flattop mount.