Blanks shot inside of must have a reduce sounds level to safeguard Absolutely everyone's hearing. Outside the house the sound have additional places to go as a result dissipating it greater. I've loaded the 45-70 with forty grains of FFg black powder above a Styrofoam wad. The function was to https://strapweaponshop.com/product/triple-r-munitions-223-5-56-nato-blanks-100-rounds/