Trijicon's ACOG is a fixed power, compact riflescope with an illuminated reticle pattern for use in bright to low/no light with legendary durability and reliability. Features forged 7075-T6 aircraft-aluminum-alloy housing, multi-coated lenses, fog/waterproof and shock-resistant, proven to withstand recoil from 22LR up to 50 BMG, and easily passes U.S. military drop test requirements. The ACOG ECOS is the ultimate sight for both Close Quarter battle (CQB) situations and longer distance shooting where accuracy and pinpoint bullet placement are required. Includes 3.25 MOA RMR Type 2 LED Red Dot mounted to ACOG, Trijicon Quick Release Mount, LENSPEN, lanyard assembly for adjuster caps, Trijicon logo sticker, ACOG manual and warranty card.