The Strike FSA Cheek Riser is a drop-in direct mount optional cheek rest for the Strike Folding Adapters (Single or Dual Folding). This gives you the ability to add an adjustable cheek rest for added comfort and accuracy with consistent cheek placement. This adjustable Cheek Riser gives you five (x5) position choices to pick the best use for each individual user. Quickly swap heights with the triblade thumb screw designed for easy installation and removal without tools. Give yourself a good cheek weld and anchor point with the Strike Dual Folding Adapter – Cheek Riser for critical accuracy and consistency.