I reload for 16 ga. I Get my components from Ballistic Products. Everything you need. The sell a 16 ga. manual which has a lot of info and many loads listed. It's something like ten bucks. www.ballisticproducts.com Phone is 1-888-273-5623. Hope this helps. Mike.
Go to 16gasociety.com their will be more infomation and loading charts that will blow your mind. Anything you can think of for the 16 you will find information their. I have loaded for the 16 for 40 years and 16ga society still has new stuff and ideas all the time. Bill