Maria Del Gado:  What are they ? Bullets ?
Pat Gallagher: No , they 're empty cartridges . They 've been fired .
Maria Del Gado: What can you do with them ? All shells are alike .
Stoney Crockett: Yes , ma'am , but not all guns .
Maria Del Gado: It 's a _ 0.44 _ , no ?
Pat Gallagher: It 's a 0.44 , yes .