A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to customize the look of your platform equipped with any compatible SBT adapter (CZ Scorpion, CZ Bren 805, HK MP5, HK MP5K,, etc.) Features: Integral, side-folding mechanism. Complete assembly, ready-to-install. ATF compliant, US veteran designed and proudly made in the USA. Product Includes: complete assembly, adjustable nylon strap.