Black River Manufacturing ACX Collapsible Rifle Stock Carbon Fiber. Designed for versatility and reliability this all-aluminum construction ensures durability without sacrificing weight. The 1913 Picatinny attachment offers seamless compatibility while the rubber butt pad has a honeycomb texture for the best preformance. Enhance your shooting experience with Black River Manufacturing Quick Detach (QD) socket ensuring secure and fast accessory attachment. Tailor your setup with the 9-position adjustable stock providing optimal comfort and control. Elevate your accuracy with the adjustable height cheek comb giving you a customized fit for any scenario. Discover superior adaptability and precision with the ACX Stockengineered for excellence. Specifications for Black River Manufacturing ACX 1913 Collapsible Rifle Stock: Manufacturer: Black River Manufacturing Mount Type: Picatinny Fabric/Material: Aluminum Features of Black River Manufacturing ACX 1913 Collapsible Rifle Stock QD socket QD sling swivel 9 position adjustable Adjustable height cheek comb Package Contents: Black River Manufacturing ACX 1913 Collapsible Rifle Stock QD sling swivel Black River Manufacturing BRACXS1913CF: ACX 1913 Collapsible Rifle Stock Carbon Fiber