I summarized the warhammer weapons list. So we can determine the bonusses once and for all!
Missile Weapons will follow shortly (and armour etcetera too

)
Close Combat Weapons list:
Hand Weapon
- No special rules
Great Weapon
- WH: +2strength, requires two hands, strikes last
- CIV: strength bonus (40%), no first strike chance
Flail
- WH: +2 strength bonus in first turn of combat, requires two hands
- CIV: strength bonus (20%)
Morning Star
- WH: +1 strength bonus in first turn of combat
- CIV: strength bonus (10%)
Halberd
- WH: +1 strength bonus, requires two hands
- CIV: strength bonus (20%)
Spear (infantry)
- WH: fight in two ranks
- CIV: ???
Spears (cavalry)
- WH: +1 strength bonus in first turn when charging
- CIV: strength bonus (10%) when attacking
Lance
- WH: +2 strength bonus in first turn when charging
- CIV: strength bonus (20%) when attacking
Pistol (in hand-to-hand combat)
- WH: +1 attack (strength 4 armour piercing in first turn of combat)
- CIV: ???
Missile Weapons list:
All units with shooting weapons have the ability to ‘stand and shoot’ when attacked and can shoot from a distance. This must be represented as a first strike when the square is attacked and when the unit is attacking.
Shortbow
- WH: 16 inch, strength 3
- CIV: no bombardment
Bow
- WH: 24 inch, strength 3
- CIV: 1 square bombardment
Longbow
- WH: 30 inch, strength 3
- CIV: 1 square bombardment and some bonus ??? over bow
Crossbow
- WH: 30 inch, strength 4
- CIV: 1 square bombardment
Repeater Crossbow
- WH: 24 inch, strength 3, 2x multiple shots
- CIV: 1 square bombardment, 2 times
Sling
- WH: 18 inch, strength 3, 2x multiple shots if enemy within 9 inch
- CIV: no bombardment, 2x first strike
Javelin:
- WH: 8 inch, strength as user
- CIV: ???
Throwing Star/Knife
- WH: 6 inch, strength as user
- CIV: ???
Throwing Axe
- WH: 6 inch, strength as user +1
- CIV: ???
Handgun
- WH: 24 inch, strength 4, move-or-fire, armour piercing
- CIV: 1 square bombardment, ???
Pistol
- WH: 8 inch, strength 4, armour piercing
- CIV:???