MEC Outdoors 5017 Powder Bushing Size #17
http://www.tandktactical.com/shop/098489016926-mec-outdoors-5017-powder-bushing-size-17-7620
http://www.tandktactical.com/web/image/product.template/7620/image_1920?unique=04b5019
Mec's Powder Bushing regulates the amount of powder for your shotshell load.
