https://www.mecoutdoors.com/600-jr-m...EaAjepEALw_wcB
https://www.ballisticproducts.com/sitemap.asp
Id have long ago just purchased a MEC 10 ga reloader, at the price they quote you pay for the press in less than 125 shells
blanks are easy, just load corn meal instead of birdshot in the shot cup, a little trial and error with the faster powders will get you a loud gunshot and as long as your not close to the muzzle the ejected corn meal and shot cup very rapidly loose inertia