The SBT5K enhances your MP5K with an integral, side-folding, molded polymer end cap. FITS: 2 PIN K MODELS SUCH AS HK SP89, HK SP5K, PTR 9KT, CENTURY ARMS AP5-P & AP5-M, MOST SP5K CLONES (9MM ONLY). Manufacturer's Note: Look at your pistol and compare to the images shown 2 PUSH PINS ARE NEEDED FOR THIS BRACE TO INSTALL. IF YOUR PISTOL ONLY HAS 1 PUSH PIN THIS BRACE WILL NOT FIT. Seriously. Look at it. If you are not sure on fitment please email [email protected] before placing your order. Features Complete assembly, ready-to-install Molded polymer end cap with QD socket Integral, side-folding mechanism Comes with adjustable nylon strap for custom fit US veteran designed, and proudly made in the USA Product Includes: Complete assembly, Adjustable nylon strap Specifications Fit: HK MP5K/SP89 clones, SP5K Width [max]: 2.25 Length: 10.5 Strap Width: 1.0 Weight: 12.5oz Color: Black