Ultimate Arms Gear ACE ULTRALIGHT Entry Length ARUL-E Skeleton Light Weight Fixed Stock Buttstock with Cheek Weld Foam Rest and Rubber Butt Pad Buttpad Sling, Black The A145 Ultralight Entry Length (AR-UL-E) Stock is the lightest stock ever devised! Swivel/Points and uses Aces original soft foam for the ultimate cheek weld. Featuring A Soft Closed Cell Foam Pad For A Comfortable And Solid Cheek Weld. 0.5" Recoil Buttpad. Ultimate Arms Gear Black - Premium Weatherproof For Every Solution. Superior Quality Metal for Operation.