A 2 piece system consist of the tactically designed AR buffer tube plate & the new GEN2 Holster. The low-profile AR buffer tube plate is CNC'd from a solid block of T6 billet & has a patented knuckle design as well as a built-in QD port. The GEN2 Holster is made from super tough Nylon materials & can be attached to MOLLE or via tactical belt. Once the knuckle on the AR plate is accepted into the GEN2 Holster, the patented self retention system keeps the weapon secure but does not impede rapid deployment of the weapon. The Stratus system keeps the weapon close & secure on the operator while his hands are free and the weapon is at the ready. Lifetime guarantee against breakage.