Hand Guard QD Sling Mount – The QD sling system is becoming the heavy duty standard and the new JPHG-SM makes for the perfect interface for all our hand guard lines. – Easy to use and frustration-free the QD sling system tops the market for duty or competition use. This modular accessory allows attachment at any point and your MK III or earlier generation JP hand guard: the accessories you want right where you want them. – Includes mounting screws.