SKULL-4

The SKULL-4 is a dual wielded assault rifle in Counter-Strike Online categorized under Skull Series.

Overview
This is a special anti-zombie rifle that holds 2 guns at the same time with the lighted version gun barrel and low recoil. It holds 48 rounds of 5.56mm Anti-zombie bullet that was developed by Rex Research Institute with a strong firepower and deliver a critical damage to zombie.

Advantages

 * Very high damage
 * High accuracy in first 4 shots
 * High reserve ammunition
 * Penetrates up to 4 objects in a row
 * Light weight
 * Usable scope

Disadvantages

 * Expensive price and ammunition cost
 * Low rate of fire
 * Zooming decreases rate of fire
 * High recoil
 * Obtainable with cash points and during events only
 * Low accuracy in continuous firing

Tips

 * A 48 rounds of Skull-4 can deal 3024 ~ 6048 damage to zombies.
 * A 48 rounds of Skull-4 can deal up to 30240 (30k) damage to bosses, noted attack power has been maxed.

Release date
Skull-4 was released on:

South Korea

 * A Reservation Ticket was released on 4 April 2013.
 * This weapon was released on 11 April 2013.
 * There was a resale on 28 January 2014.

Taiwan/Hong Kong

 * There was a resale on 5 November 2013.
 * There was a resale on 21 January 2014.

Singapore/Malaysia

 * This weapon was released on 7 May 2014.

Positive

 * Higher damage (+32)
 * More accurate (+11%)
 * Lighter (-21% speed reduction)
 * Usable scope
 * Faster reload time (-0.1 seconds)

Neutral

 * Same reserve ammunition (240)

Negative

 * More expensive (+$2150)
 * Higher recoil (+6%)
 * Lower rate of fire (-13%)
 * Lower clip size (-22)

Positive

 * Available crosshair
 * More accurate (+2%)
 * Lower recoil (-3%)
 * Higher rate of fire (+2%)
 * Lighter (-8%)
 * Higher clip size (+24)

Neutral

 * Usable scope
 * Same reserve ammunition (240)
 * Same ammo type (5.56mm Anti-zombie)

Negative

 * Longer reload time (+1.4 seconds)
 * Lower damage (-17)
 * More expensive (+$150)
 * Accuracy changes when firing without scope

Gallery
Firing sound



Trivia

 * Skull-4 is the first weapon in the Skull series to have an even number in its name.
 * This is the first weapon that shows a shadow in the back of the rifle, meaning it is dual wielded.
 * The estimated time period between the Skull-4 and the release of the last odd-numbered Skull series weapon, that is the Skull-11 on April 26th 2012, is about one year long.
 * Skull-4 is the first dual-wielded weapon that has usable holographic sights.
 * Oddly, its weight is lighter than Dual Skull-3.
 * The shooting sound of this weapon is similar to that of Skull-1.
 * Skull-4 has the highest damage of all assault rifles.
 * Skull-4 has the third largest magazine capacity of all assault rifles after AK-47 60R and HK G11.
 * This is the first dual-wielded, semi-automatic assault rifle in Counter-Strike Online.

Skull-4