Extra powder/shot bottles offer easy change out to reload different sizes of shot, or if you're switching to a different powder during a reloading session. Great for storing powder or shot between sessions. Each clear, polyethylene bottle has a screw capped end for storage, and a plug cap that lets you refill th bottle with powder or shot without removing it from your machine. Available in the Magnum, 40 ox. capacity size for those high volume reloading sessions, or the Small, 20 oz. capacity size. Bottles fit every reloader in the MEC line.