It's Black VTAC® Rifle Scabbard

The VTAC® Rifle Scabbard makes traveling with large gear simple and discreet. The scabbard is fully lined with VELCRO® so it can be kitted to suit any mission using your favorite hook-and-loop compatible accessories. Its padded exterior prevents printing of anything stored inside so you can travel at ease knowing your gear is protected from bumpy roads and prying eyes.