App sells Pre measured loads in the form of loose powder. They come in little plastic tubes. They are in 100gr. In CO you can NOT use pellets. Here is a link.

http://www.cabelas.com/cabelas/en/templates/product/standard-item.jsp?_DARGS=/cabelas/en/common/catalog/item-link.jsp_A&_DAV=MainCatcat20712&id=0031501 215827a&navCount=2&podId=0031501&paren tId=cat200005&navAction=push&catalogCode=I G&rid=&parentType=index&indexId=cat200 005