m9
my m4 burped on a whole shitload of sand, so i whipped out my m9 and continued engaging the bad guys with it
beretta 92fs 9mm semiautomatic pistol as adopted by the armed forces of the united states
"my m4 burped on a whole shitload of sand, so i whipped out my m9 and continued engaging the bad guys with it" What is the definition of "m9"?