Semi rigid ballistic nylon construction keeps holster shape even when empty ? Extra magazine pouch with hook & loop strap closure ? Wide hook & loop strap secures holster to a belt or wide M.O.L.L.E. strap ? Dual gun security features: ? A semi rigid snap closure strap with a hook & loop over strap ? Small hook & loop horizontal strap for securing to M.O.L.L.E. straps ? Accepts medium framed semi autos and revolvers ? Retention strap height is adjustable using the included plastic shim to slide the hook & loop attachment up and down the inside of the pocket.