Aluminium Constructed Vertical Grip (Type 1)
Quick Release Thumb Nut allow fast installation & detachment
Offer firm hold on your weapon during firing
This foregrip allow fast & accurate aiming onto your target 
Battery Compartment able to hold four pcs CR123A or two pcs AA Batteries 
Suitable for all 20mm Picatinny RIS Rail, SIR System, SureFire Weapon Rail System