The following weapons were used in the film Carriers:
Brian Green (Chris Pine) uses a Stainless Steel M1911A1 throughout the film. The M1911A1 changes hands several times in the film, Frank (Christopher Meloni), Danny (Lou Taylor Pucci), and Kate (Emily VanCamp) all use it as well. Near the end of the film it is revealed that Danny stole it from his parents dresser.
Norinco Type 56
An Norinco Type 56 (Chinese AK-47) along with another rifle are kept in the survivalists 'sealed' room at the golf resort.
Mossberg 590 Cruiser
The Survivalist searching the kitchen is armed with a Mossberg 590 Cruiser shotgun.
One of the survivalists carries a Remington 870 Wingmaster.
A survivalist can briefly be seen with an M1 Carbine.
Winchester Model 1897
A Winchester Model 1897 can briefly be seen in the hands of one of the survivalists.
Side by Side Shotgun
Danny takes a Side by Side shotgun from the hands of a dead elderly woman he encounters in a house.
What appears to be a Remington 700 rifle is seen along with an AKM.