Supergirl - Season 4

Country	United States
Creator	Otto Binder (Character) Al Plastino (Character) Greg Berlanti Ali Adler Andrew Kreisberg
Genre	Drama Superhero Science Fiction
No. of Episodes	22

Main Cast
Character	Actor

Kara Zor-El / Kara Danvers / Supergirl / Red Daughter	Melissa Benoist
James Olsen / Guardian	Mehcad Brooks
J'onn J'onzz / Martian Manhunter	David Harewood
Alexandra "Alex" Danvers	Chyler Leigh

The following weapons were used in Season 4 of the television series Supergirl:

Handguns

Glock 17

A Glock 17 is used by Mercy Graves (Rhona Mitra) in "American Alien" (S4E01). Secret Service agents guarding President Olivia Marsdin (Lynda Carter) are also armed with Glocks in the episode. This is inaccurate, however, because the only pistols authorized for on-duty use by the USSS at the time the episode was aired were the SIG-Sauer P229 DAK and FN Five-seveN.

Glock 17 3rd Generation - 9x19mm

A Glock 17 is used by Mercy Graves (Rhona Mitra) in "American Alien" (S4E01).

Beretta Px4 Storm Sub-Compact

Alex Danvers (Chyler Leigh) now carries a Beretta Px4 Storm Sub-Compact as her personal sidearm.

Beretta Px4 Storm Sub-Compact - 9x19mm

Alex Danvers (Chyler Leigh) draws her Beretta Px4 Storm Sub-Compact in "American Alien" (S4E01).

Walther P99

Manchester Black uses a two-tone Walther P99 as his main sidearm.

Walther P99 with QPQ finished (stainless steel) slide - 9x19mm

Submachine Guns

Heckler & Koch MP5A3

Heckler & Koch MP5A3s fitted with UMP stocks and railed handguards are seen used by mercenaries in "Fallout" (S4E02).

Heckler & Koch MP5A3 with UMP stock and railed handguard - 9x19mm

The Heckler & Koch MP5A3 is seen used by a mercenary at the left in "Fallout" (S4E02).

Shotguns

Ithaca Model 37

The Ithaca Model 37 is used by Children of Liberty members in “Rather the Fallen Angel” (S4E07).

Ithaca 37 Riot Version - 12 gauge

Rifles/Carbines

Colt M4A1

DEO Agents are seen armed with Colt M4A1 carbines in multiple episodes. US Army Soldiers and US Marines are also seen armed with them.

Colt M4A1 SOPMOD with Aimpoint CompM2 reflex optic, Knight's Armament RAS railed handguard and vertical forward grip - 5.56x45mm

Colt M4A1 carbines are carried by US Marines at Camp David in "American Alien" (S4E01).

DEO agents with Director Danvers are armed with the M4A1 in "Parasite Lost" (S4E05).

DEO agents with their M4A1 carbines are thrown back in "Parasite Lost" (S4E05).

DEO agents with their M4A1 carbines in "Crime and Punishment" (S4E18).

Heckler & Koch G36C

The Heckler & Koch G36C is seen used by mercenaries in "Fallout" (S4E02).

Heckler & Koch G36C - 5.56x45mm

The Heckler & Koch G36C is seen used by a mercenary at the right in "Fallout" (S4E02).

The Heckler & Koch G36C in the hands of mercenaries they go down in "Fallout" (S4E02).

AK47 or AKM-style rifle

The AK47 or AKM is used by Children of Liberty members in “Rather the Fallen Angel” (S4E07).

AKM - 7.62x39mm

Type 3 AK-47 built from US Receiver - 7.62x39mm. This is an Actual Screen used AK-47 from the film We Were Soldiers (built by Cinema Weaponry)

M16A4

US troops use M16A4 rifles in "Crime and Punishment" (S4E18).

M16A4 with carry handle attached - 5.56x45mm