The following guns are used in the anime Darker Than Black: Gemini of the Meteor.

Darker Than Black (2009)

Pistols

SIG Sauer P232

April and the Section 3 chief use this as their sidearm.

SIG P232

Smith & Wesson 908S

Misaki uses a this as her main sidearm from Darker than Black.

Smith & Wesson 908S 9x19mm

File:Darker-than-black-ryuusei-no-gemini-5.jpg

Misaki aiming the 908S at Madam Oreille.

Heckler & Koch USP Compact

Seen in the hands of the two agents who accompany Michiru to apprehend Hei. Dr. Pavlichenko is armed with the USP Comact towards the ending of the series.

Heckler & Koch USP 9x19mm

Dr. Pavlichenko with the USP Compact.

Yarygin PYa MP-443 Grach

Major Repnin and his subordinates use this as their sidearm.

Yarygin MP-443 9x19mm

Submachine Guns

Heckler & Koch MP5A3

Seen in use by Section 3 paramilitary personnel as their main submachinegun, prominently during their raid on the deserted Ikebukuro. Misaki uses one near the ending of the show.

Heckler & Koch MP5A3 9x19mm

File:DTB GM MP5.jpg

Misaki is armed with the MP5A3 and a ballistic vest at the ending after Madam Oreille arrives to assist them.

Closeup of Misaki, armed with the MP5A3 after the raid in the abandoned city of Ikebukuro in Toshima Ward.

Section 3 commandos disembark from their dark blue Type 96 APCs (Also used by PANDORA security forces in Darker than Black) after commencing the raid on Ikebukuro. They are armed with MP5A3 submachine guns. The same character designs were used in Darker than Black, but their ties lie with PANDORA security forces.

Section 3 commandos providing close protection for Section 3 agents.

Klin PP-9

Used by FSB Spetsnaz teams after they engage Hei, Suou the MIAC Section 3 force in Vladivostok. Also used by militsiya officers guard a local Vladivostok train station.

Klin PP-9

PP-9-armed militsiya officer about to be clobbered by Hei. Poor guy.

PP-9 on the ground next to the knocked off militsiya officer.

FSB Spetsnaz confronting Hei and Suou, armed with PP-9s.

Assault Rifles

Heckler & Koch HK53

Seen in use by Section 3 paramilitary personnel.

Heckler & Koch 53 5.56x45mm

Colt M4A1

Seen in use by Section 3 commandos and American soldiers after successfully mounting an occupation on the Greater Tokyo Area.

Colt M4A1 5.56x45mm

In the ending of Gemini of the Meteor, American soldiers are armed with the M4A1 after successfully occupying the Greater Tokyo Area.

American soldiers and Section 3 commandos in a standoff with their M4A1s.

Sniper Rifles

VSS Vintorez

Used by FSB Spetnaz team in Vladivostok against Hei and Suou. Squads of FSB Spetsnaz operators are armed with the VSS after they evacuate Tanya from her school.

VSS

To the right of the FSB officer, two FSB Spetsnaz operators are armed with VSS Vintorez rifles.

FSB Spetsnaz secure Tanya's evacuation with Major Repnin taking the lead.

Colt M16

Gorō Kobayashi is seen with a marksman M16 variant.

Kobayashi with the M16 in the ending.

Mosin Nagant M91/30

Old and decrepit models are seen hung on a wall in Nika's hideout.

Mosin Nagant 91/30

PTRD-41

Seen in Nika's hideout. Later wielded by Suōu Pavlichenko as part of her contactor powers. Shion uses a left-hand PTRD to assassinate Tanya, later recovered by police and Section 3.