Hogue AR-15/M16 OverMolded Collapsible Buttstock Earth Hogue's collapsible buttstocks are a great way to increase or decrease the length of pull on an AR-15 rifle, without giving up any comfort. The overmolded contact surfaces provide an enhanced cheekweld and non-slip shoulder contact. Integral quick detach sling swivels provide versatility, and allow many different ways to attach a rifle sling. Simple installation requires no gunsmithing.