GBRS GROUP X SPECTRE CR-1 VALKYRIE CHEEK RISER The Valkyrie Cheek Riser was designed to work in conjunction with the CTR, MOE, and DT Magpul stocks. The Valkyrie comes in three heights to fit the shooter's specific height and desired touch point while still able to utilize the charging handle with the butt stock fully collapsed in order to still be able to perform malfunction drills. SPECS Available in 3 height models: .25", .50" and .75" Chamfered edges Carbon fiber-infused nylon construction No special tool needed to remove (Design includes removal slots) Dimensions and Weights: .25" - H 1. Mfg: Gbrs Group