Even if some how they were 6 India mortar shells the argument if they are or not is irelevant, terrorists get their equipment from all over below is an example of one weapons cache from Iraq.
The seventh cache consisted of 70mm HEAT PG7M Russian rockets, 85mm HEAT PG7 Iraqi rockets, 68mm HE 26P French rockets, 251 60mm Type 83A Chinese mortars, 105 82mm HE O832D Russian mortars, a 64mm HEAT PG-18 Russian rocket, 23 57mm HE S5M0 Russian rockets, a 75mm HE bounding Type 69 Chinese rocket, 425 PG15 propellant cartridges, a 73mm HE 346E Russian projectile, 34 40mm HE OG7 Bulgarian grenades, 235 Chinese mortar fuses, PD MP4, a 100mm Illumination Type 71 Chinese mortar, 21 160mm HE F853A Russian mortars, 200 UZRGM grenade fuses, 1000’ yellow detonation cord, a 64mm HEAT PG-18 Russian rocket with launcher, RPG-7 launchers, 22 pounds of stick propellant, 40 pounds PE-4, 25 pounds aluminum-based HME, 230 160mm mortar increments, 160mm base propellant cartridges, 50 Chinese mortar fuses PD MP1B, 100 Russian fuse projectiles PD GO2, 3,600 7.62x39mm ammunition, 600 9.3x74mm ammunition, 300 .22 Caliber ammunition, 500 9mm ammunition, HE F1 Russian hand grenades, a AK-47 Russian assault rifle, an MG3 German machine gun, an MG42 German machine gun, an SKS Russian carbine, a PPSh Russian submachine gun with drum, a PKM Russian machine gun receiver, a RPD Russian light machine gun, Sterling British submachine guns, a G3A3 German battle rifle, binoculars, night vision scope, mortar sights, sniper sights, a non-functioning suitcase IED and 60mm mortar tubes.
weapons trade is international