The CDX-BMG QUAKE integrates the essential features serious precision shooters demand. Featuring Strike QUAKE chassis with built-in aluminum micro-chassis technology (no bedding required); adjustable cheek rest and butt pad; Neoprene cheek pad for improved comfort; built-in flush cups for QD sling attachments; selectable single/two stage DX2 EVO trigger with position adjustable trigger shoe and rubberized grip insert. Includes a 1/4" spacer.