So, I got my 590 a few weeks ago. I added a pistol grip stock. Adding the pistol grip made it very awkward to release the action to load a round in the chamber. I had to change my grip and hold the shotgun in an awkward position. Me search through the web for a replacement extended action release yielded no results. So I jumped on midway and ordered an extra OEM action release lever and modified it myself. Now I can easily release the action without changing my grip on the shotgun. I am very happy with the results. I will probably be looking for a manufacturer to make these for sale.