Kolpin Gun Boot IV - Black - 20051 Most popular Gun Boot case for over 40 years Impact model includes a removable, shock absorbing foam and nylon Impact liner that provides superior interior protection within our hard case. Anatomically designed to accommodate left and right hand bolt action rifles and shotguns, it provides ample room for 50mm scopes and even rifles with slings attached or shotguns up to 51" in length Kolpin offers bracket systems (separate purchase) to mount our Gun Boot IV to virtually any ATV or UTV Made in the USA