Interesting. Sounds like a bone problem. What bone are you firing from?
Weapon.ini
Code:
Weapon Lazr_PaladinTankGun
PrimaryDamage = 70.0
PrimaryDamageRadius = 3.0
ScatterRadiusVsInfantry = 10.0
AttackRange = 150.0
MinTargetPitch = -15
MaxTargetPitch = 15
DamageType = ARMOR_PIERCING
DeathType = NORMAL
WeaponSpeed = 99999
WeaponRecoil = 5
LaserName = Lazr_PaladinLaserBeam
LaserBoneName = TurretMS01 ;this is where you wany to specify what the bone you'll use, make sure it's in the model
FireFX = Lazr_WeaponFX_LaserCrusader
RadiusDamageAffects = ALLIES ENEMIES NEUTRALS
DelayBetweenShots = 1000
ClipSize = 0
ClipReloadTime = 0
ProjectileCollidesWith = STRUCTURES WALLS
End