The SBT Pistol Stabilizing Brace features an integral, side-folding mechanism and fits B&T APC and HK UMP pistols Product Features Integral, side-folding mechanism Complete assembly, ready-to-install US veteran designed and proudly made in the USA Product Includes: complete assembly, adjustable nylon strap Product Specifications Fit: B&T APC and HK UMP Length: 10.5 Inches Weight: 9.5 oz Width(Max): 1.25 Inches Strap Width: 1.0 Inch