MEC Outdoors 30 Powder Bushing Size #30
http://www.tandktactical.com/shop/098489016568-mec-outdoors-30-powder-bushing-size-30-7044
http://www.tandktactical.com/web/image/product.template/7044/image_1920?unique=7fc8437
Mec's Powder Bushing regulates the amount of powder for your shotshell load.
