Burning powder, shot cups, shot wads.
Smoking makes your lungs dirty.
Ammo, parts, dirty
part failure, dirty, etc.. Take it to a gunsmith
Because the mud in the water makes it dirty.
If the hamsters feet are dirty when it gets on it.
mossberg makes a pink shot gun, and remmington makes a 20gauge pink shotgun
No winchester makes a model 1300 shotgun.
the soil
because of the garbage we throw in the water and animals also poo in it.
Verona
a dirty martini will have a splash of olive juice to make it cloudy
because it makes you dirty