[-=[BAD]=-Thorshammer]

it's in pak3 and is called kar98_mortar

look for the secondary fire section and set all the 3's to 0 ie

//========================================//
// RIFLE BUTT / SECONDARY FIRE //
//========================================//

secondary projectile models/projectiles/riflemortar.tik
secondary firetype heavy
secondary meansofdeath grenade
secondary firedelay 1
secondary ammotype riflegrenade
secondary ammorequired 1
secondaryammoinhud

sp secondary startammo 3
dm secondary startammo 3
sprealism secondary startammo 3
dmrealism secondary startammo 3

should be

//========================================//
// RIFLE BUTT / SECONDARY FIRE //
//========================================//

secondary projectile models/projectiles/riflemortar.tik
secondary firetype heavy
secondary meansofdeath grenade
secondary firedelay 1
secondary ammotype riflegrenade
secondary ammorequired 1
secondaryammoinhud

sp secondary startammo 0
dm secondary startammo 0
sprealism secondary startammo 0
dmrealism secondary startammo 0