This is a Hera USA Stock known as the Front Grip, model 12.12.01.
Hera USA's CQR (Close Quarters Rifle) Stock Spacer" 1" length of pull spacer" will ensure that your HERA CQR stock or Close Quarters Rifle stock fits correctly. Pick-up this 1" stock spacer for your HERA CQR and get a better fit to your shoulder. With a stock spacer you can improve fit" comfort and performance. Made of the same high impact durable polymer as your stock" it will sever as a seamless integrated extension.
Features:
1 Length of Pull Spacer;Reinforced impact resistant polymer;Improves fit comfort and performance