INSIDE: 2 rows of wide M.O.L.L.E. strapping with 4 hook & loop interchangeable straps to secure varying sizes of firearms inside case Front, back, and bottom stiff padded walls for semi rigid protection OUTSIDE: Full length 2? wide adjustable shoulder strap with movable and removable padded shoulder strap. Shoulder strap is attached by 2 heavy duty metal spring clips and metal triangle rings. Full length double zipper opening of main compartment 31? long x 13? wide x 1.5? deep full flap zippered external 48? Case External dims: approx. 48? l x 13? h x 3? d