Large caliber, big gun shooters have unique requirements when traveling with their firearms. Heavier weight, larger dimensions, rougher roads to more secluded ranges that handle the 'Big Boys'. Americase ArmaLite 50 Cal rifle cases are made of .080 thickness aluminum, high density cushioning foam, recessed hardware, and an Americase exclusive Santoprene seal to block out dirt, dust, and moisture. In addition to the twist latches it also comes with two eyelets for padlocks. The model AT-50Cal ArmaLite includes recessed heavy duty wheels and a luggage restraint system so you can strap bags on the case for convenience. With recessed wheels.