G3survival 590 Shockwave Magpul MOE Hand Guard Leather Hand Stop
 
Punish skull artwork
Heavy duty 4 mm thick 8 oz. leather
hand tooled embossed and dyed 

Sturdy, heavy duty leather hand strap is secure and tough
Leather also provides another heat insulator for your thumb and fingertips
Just a bonus that it makes the firearm look this good and serve a purpose

You will need 5 Mlok T-nut's and screws for installation, most firearms enthusiasts have these on hand. I can provide a link to anyone who needs it for the Mlok T-nuts and screws

M.O.E. Forearm and picattiny rails for display purposes and are not included with this offer