Aw Rifle Cases Are The First Rifle Cases In The Plano Line To Feature Rustrictor™ Technology. They're Still Impenetrable From The Outside, With Dual-stage Lockable Latches And A Dri-loc Seal That Create A Watertight, Dust-proof Shield. Inside, Not Only Does A Pressure Release Valve Equalize Pressure Through Temperature Or Altitude Changes, There's Also The Added Benefit Of Rustrictor To Prevent Rust And Corrosion On Your Gear. The Rustrictor Aw 52" Rifle/shotgun Case Is The Largest All Weather Rifle Case, And The Only Wheeled Case In The Series. Oversized Sized To Store And Protect Multiple Rifles, Shotguns Or Ars Through The Most Extreme Conditions.