Counter-Strike: Source SMG Tips

SCHMIDT MACHINE PISTOL aka TMP

 
Rounds in each clip - 30
Total rounds - 150 
This is a very quiet gun, but it's not very accurate, even when crouching. It does better than others when jumping, though. It takes 2-4 headshots or 6-9 chest hits to frag someone. 

INGRAM MAC-10

 
Rounds in each clip - 30
Total rounds - 130 
This SMG is fairly accurate when running, but when you hold the trigger it gets pretty inaccurate. It takes 2-3 headshots or 6-8 chest hits to frag someone. 

KM SUB-MACHINE GUN

 
Rounds in each clip - 30
Total rounds - 150 
This is a very accurate SMG, even when holding the trigger. It stays fairly accurate when you are jumping, but it is not very accurate when you are running. It takes 2-3 headshots or 7-9 chest hits to frag someone. 

KM UMP45

 
Rounds in each clip - 25
Total rounds - 100 
This is probably the slowest SMG, but the most accurate when jumping. It stays pretty accurate when running and holding the trigger. It takes 2 headshots or 6-8 chest hits to frag someone. 

ES C90

 
Rounds in each clip - 50
Total rounds - 150 
This SMG has a very fast rate of fire, but it isn't very accurate when holding the trigger or running. It has decent accuracy when jumping. It takes 2 headshots or 6-8 chest hits to frag someone.