The Battlelink Adjustable Cheek Piece BACP from Mission First Tactical is the solution to varying heights of mounted optics and proper eye alignment. Easily and quickly adjusted to provide the user with optimal eye-to-optic focus and a strong cheek weld contact position. Offers a stable shooting platform with 1.25" of travel. Charging handle can be operated with cheek piece in any position other than indicated by stop. Designed for use with Battlelink Stock Series (sold separately). Weighs 2.72 oz.