The Adaptive Tactical EX AR Rifle Stock combines an advanced design with durable polymer construction to make the ideal upgrade for your AR-15 or M4 rifle. It features an easy-to-reach adjustment lever that can be customized to the desired length of pull, an integrated QD swivel attachment, and a molded standard sling swivel attachment. Made of durable polymer material with a non-slip rubber recoil pad, the Adaptive Tactical EX AR Rifle Stock also has an oversized adjustment pin and sleek industrial design.Features: M4-style stock Collapsible Compatible with AR-10, LR-308, AR-15 Adjustable length of pull Rapid adjust lever QD swivel attachment Molded standard sling swivel attachment Mil-spec sized extension tube compatible