For sale: S&J hardware 2 shot extension, spring, and follower. This kit will add two shots to an 18.5 inch mossberg 590a. Im selling because I never bought my 590 so I have no use for this. Brand new $100 shipped. http://sjhardware.com/store/modules.php?name=catalog&file=product_info&cPath=107_120&products_id=342 its this exact extension, and I will also include 2 replacement mag springs at no additional cost.
I also have a used scattergun technologies 2 shot extension with a brand new spring and follower that’s only been installed, not shot. Extension is in excellent condition. I want to trade this extension for a standard 870 police 2 shot extension. It has to be the parkerized police model extension with sling stud mount. Even trade.
Payment can be either paypal, personal check, or money order. Email me for pics. Tsuh84@gmail.com