The Viking spear was the most commonly used weapon in the Viking age. During this time, spear heads took many forms. Some spear heads had 'wings' on lower end of the head. These are called barbed spears, which were useful for a variety of tricks.
The spearheads were made of iron and were constructed using pattern welding techniques. Spearheads were fixed to wooden shafts using a rivet, their total length was between 2 to 3 meters long. Spears could be thrown but it was foremost a thrusting weapon.
Some tactics were used by groups of spearmen. They could form up a battle line with locked shields pointing their spears outward. Long spears could reach the opposing enemy from the second or third line and thrust at the enemy. Many different techniques have been carried out with a spear, most of them were aimed at keeping the enemy at a distance. A disadvantage of the spear was it's length as it made the warriors easier to spot from a distance.
Source: Hurstwic: Viking Spear
The attributes of the long spear are quite good. It needs to be held with both hands and this will do damage 1D+4. The total of hit points is therefore between 4 and 8. The weapon has a great advantage when attacking from pole range +1 for attacking and +3 for defense. However a real disadvantage is given when in melee combat then the attack value is -1 and the defense value -3 on the dice rolls.
The long spear can only be used with both hands and in two distance classes i.e. melee- (M) and pole (P) distance. In the larger battles good maneuvers and tactics can be chosen to strengthen positions which take advantage of the length of the spear.