Season 1 of Colony follows Will Bowman (Josh Holloway), who after being separated from his son by walls built around Los Angeles by aliens for some time, decides to illegally travel through the wall to find his son, only to get caught in a terrorist attack. He is then forced to work for the oppressive military to stop the resistance in exchange for being able to find his son, however not knowing his own wife Katie (Sarah Wayne Callies) is working directly for the resistance.
The following weapons were used in Season 1 of the television series Colony:
Justin hands Katie a Glock pistol which appears to be a Glock 19 2nd Generation.
Glock 26
Katie Bowman (Sarah Wayne Callies) pulls out a Glock 26 in "Pilot" (S1E01). Will also uses the 26 to kill Quayle and two other guards.
Glock 26 (Dual Tone)
Beretta M9A1
Will Bowman uses the Beretta M9 while working for Homeland Security.
SIG-Sauer P226R
The SIG-Sauer P226R is the standard sidearm for the soldiers known as "Redhats". The rebels are sometimes seen with this gun as well, likely stolen from the soldiers.
Colt M1911A1
Beau is seen armed with an M1911A1 as his sidearm.
Charlie and his friends steal a Smith & Wesson Model 64 along with other supplies from a random stranger in "Gateway" (S1E10)
Rifles
Remington ACR
The Remington ACR rifle is seen in the hands of elite soldiers stationed to escort the "Raps"
Colt M16A2
Colt M4A1 Carbine
Operatives guarding Los Angeles known as the "Redhats" are seen with the M4A1 Carbine throughout the series.
Heckler & Koch G36
The G36 is one of many guns found in the rebel hideout.
Submachineguns
Heckler & Koch MP7A1
Will Bowman is seen armed with an Heckler & Koch MP7A1 submachine gun while protecting Snyder.
KRISS Vector
A few soldiers are seen armed with the KRISS Vector
Machine Guns
Browning M2
A Browning M2 machine gun can be seen mounted on a military vehicle.
Shotguns
Remington 1100
The rebel force uses various shotguns like this. This particular model also seems to have been in the pile with the other guns discovered by Will and Beau.
Remington 870 (Synthetic)
Remington 870
Mossberg 590
A Mossberg 590 is seen in the hands of a rebel soldier. The shotgun is equipped with a flashlight, ghost ring sights, and a surefire fore end. Will Bowman also uses the same shotgun in the same episode.
Paintball guns
Paintball guns are used in Colony in the episode "Yoknapatawpha"