Developed in collaboration with B&T USA, the SBT5 Pistol Stabilizing Brace is inspired by the iconic B&T stock for HK platforms. Designed specifically for HK MP5/MP5K Reverse Stretch Clones, it features an integral side-folding mechanism for enhanced versatility. The SBT5 comes with an adjustable nylon strap for a customized fit. Please note that this model is not compatible with HK91 or MP5K clones. Complete assembly, ready-to-install Molded polymer end cap with QD socket Integral, side-folding mechanism Designed for 9mm only US veteran designed and proudly made in the USA Complete assembly Adjustable nylon strap