Black Powder Magnum Remington 1858! (Ban State Tactical)

Ever wonder how hard you could push the top-strap reinforced Remington New Model Army without making it all go boom? We do the math here on Ban State Tactical! With 40 grains of Triple 7 black powder substitute producing an extra 20% energy over authentic black powder, can we turn the old war horse into a state legal Magnum!?