Nitro Cards were originally used by black powder shotgunners to seal between the powder and the shot. Today they are used as a fine-tuning spacer wad inside the shotcup. Use 12 gauge in a 10 gauge shotcup and 20 gauge in a 12 gauge shotcup. .125" Thick.
Nitro cards are used as a seal between the powder and the shot.
They can be added to any modern load where the shotcup is sitting too low for a proper crimp.
The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.