The ERATAC Gen 2 Aimpoint Mount T4120-0018 is a versatile and reliable mounting solution designed for ARs with piston-uppers, semi-auto, and bolt-action rifles. Featuring a height of 18.5mm (.73") and a centerline height of 31mm (1.22"), this mount ensures optimal sight alignment and shooting comfort. The lever mechanism allows for quick and easy attachment and detachment, providing flexibility in the field. Made from durable materials, this mount offers excellent strength and long-lasting performance, making it an ideal choice for various shooting applications. ERA-TAC ERATAC Gen 2 18.5mm/.73" H x 31mm/1.22" Centerline H Aimpoint Mount w/Lever for ARs w/Piston-Uppers, Semi-Auto & BA Rifles T4120-0018