Title character in the series Madlax carries a pair of SIG P210 with gold medallions depicting a Pegasus on the grips. According to the source material, Madlax uses the P210-2 variant.
Carried by Gazth-Sonika army soldiers and used by most of the main characters throughout the series.
Enfant agents uses Browning Hi-Power pistols.
In a flashback, a Colt Mustang was seen in the hands of a young Madlax, then the same gun is in the hands of a young Margaret.
Several Tokarev TT-33 pistols were seen in the hands of Galza rebels.
Eric Gillain pulls out a Walther PPK to defend himself.
Carrossea Doon uses a Manurhin MR93 as his sidearm.
Nambu Model 60
Heckler & Koch MP5A3
The Heckler & Koch MP5A3 was used several times by Enfant agents.
Heckler & Koch MP5K
Enfant operatives carried Heckler & Koch MP5K.
Heckler & Koch MP7A1
Enfant agents were seen wielding Heckler & Koch MP7A1s when they attacked Madlax.
The main assault rifle for the Galza rebels is the AKS-74U.
Carried by the solders in Gazth-Sonika. Madlax also used one several times.
Heckler & Koch G36C
Enfant mercenaries were using Heckler & Koch G36Cs.
M24 Sniper Rifle
During a mission, Madlax uses a M24 with modified stock as her main weapon.
Heckler & Koch PSG-1
Limelda Jorg's personal sniper rifle is the Heckler & Koch PSG-1. We see it throughout the show.
Luciano used a heavily modified Sako TRG-22 during the assignment to kill Carrossea Doon. The bolt of the rifle has been modified for left hand shooter despite the fact that Luciano is right handed.
Accuracy International Arctic Wardare
Mercenary sniper and government soldier use Accuracy International Arctic Warfare sniper rifles in the series.