Bukkit

i'm trying to make a ray-gun but when i shoot any weapon with energy projectile type and explosions ENABLED the explosion does not happen.

Here is my config:

Demolisher:
Item_Information:
Item_Name: "&eDemolisher"
Item_Type: 296
Sounds_Acquired: BAT_TAKEOFF-1-1-0
Skip_Name_Check: true
Shooting:
Cancel_Left_Click_Block_Damage: true
Cancel_Right_Click_Interactions: true
Projectile_Amount: 1
Projectile_Type: snowball
#Projectile_Subtype: 256-0.2-0-0
Projectile_Speed: 50
Projectile_Damage: 20
Sounds_Shoot: WITHER_SHOOT-1-15-0
Bullet_Spread: 0
Right_Click_To_Shoot: true
Delay_Between_Shots: 20
Projectile_Incendiary:
Enable: false
Duration: 40
Remove_Arrows_On_Impact: true
Remove_Bullet_Drop: true
Removal_Or_Drag_Delay: 0
Projectile_Flames: false
Explosions:
Enable: true
Damage_Multiplier: 100
Enable_Friendly_Fire: false
Enable_Owner_Immunity: true
Explosion_No_Grief: true
Explosion_Radius: 3
Explosion_Incendiary: true
On_Impact_With_Anything: true
Ammo:
Enable: true
Ammo_Item_ID: 337
Sounds_Out_Of_Ammo: ITEM_BREAK-1-15-0
Sounds_Shoot_With_No_Ammo: ITEM_BREAK-1-15-0
Take_Ammo_Per_Shot: true
Reload:
Enable: true
Reload_Amount: 8
Reload_Bullets_Individually: false
Reload_Duration: 70
Sounds_Reloading: DOOR_CLOSE-1-15-0,DOOR_CLOSE-1-15-70
Take_Ammo_On_Reload: false
Starting_Amount: 0
#Potion_Effects:
# Activation: hit
# Potion_Effect_Victim: HARM-100-100
Firearm_Action:
Type: slide
Open_Duration: 2
Close_Duration: 6
Close_Shoot_Delay: 8
Sound_Close: DOOR_CLOSE-1-1.2-0
Sound_Open: DOOR_OPEN-1-1.2-0
Abilities:
Reset_Hit_Cooldown: true
Scope:
Enable: true
Zoom_Amount: 4
Zoom_Bullet_Spread: 0

(i have correct spacing its just that bukkit doesn't let me put the spacing in for the lines.)

Have you tried adding the line, 'Projectile_Activation_Time: 0 ' under explosions?