Advanced design and high-impact polymer construction make the ex performance adjustable stock the ideal upgrade for your ar15 or ar10 carbine.The ex performance m4-style stock features an easy-to-reach rapid adjust lever for custom length-of-pull and includes an integrated qd swivel attachment and molded in non-rust standard sling swivel attachment.Durable polymer construction with non-slip vented rubber recoil pad oversized extra strength adjustment pin and sleek industrial design.