The Adaptive Tactical EX Performance adjustable M-4 Style stock for AR15/AR10 Carbines with its advanced design and high-impact polymer construction make it the ideal upgrade for your AR15 or AR10. 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.Features :Ideal upgrade for your AR15 or AR10M4-style stock with adjustable length-of-pullCompatible with Mil-Spec sized extension tubesSleek design