I will have a breakdown on the guns
Snipers: +Range +Power -Defensive +Offensive Recommended: PSG1 or L96
Shotguns:-Range +Power +Close Range Defense+Close Range Offense Recommended: SPAS-12
Assualt Rifles: +Range +Power -Recoil +Offense Defense depends
Submachine Guns -Range +Power with rapid fire -Recoil +Defensive gun Recommended: AK74u or MP5K
LMGs:+Range +Power -Recoil -Reload Recommended: Stoner63
Note: By defensive and offense I mean if you started the gunfight or are defending from the gunfight.