The result of your conversion between Silver and grain/ounce [US] appears here
To convert between Silver and Grain/ounce [US] you have to do the following:
First divide 10510 / ((0.45359237/16)*(192/175)/480)/(0.0037854118/128) = 4796.65162602
Then multiply the amount of Silver you want to convert to Grain/ounce [US], use the chart below to guide you.
Symbol: silver
No description
Symbol: gr/oz
No description