Any aftermarket grips available for the Drenalin? If not, I think Im gonna remove the grip and engineer one myself. How is the factory grip installed?

Check with Shrewd.

I have a Shrewd on my LX and they make several Mathews grips for target shooters. I bet they have one for the Drenalin.

Reloader

I have one of these;

http://www.torqueless.com/

very nice grip and helped my groups.

Thanks! I will have a look.

Here's the Shrewd I was refering to:

http://www.shrewdarchery.com/product.php?productid=16141&cat=0&page=1

Good Luck

Reloader