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Room restrict shotgun PJ MK3A1 (or Jackhammer for short) is an automatic shotgun in Counter-Strike Online.

Overview

Firstly built in 1984, is an American bullpup automatic shotgun fed with 10 rounds of 12 gauge. It is deadly in close quarter combat due to its high rate of fire and high damage. Only few versions were produced.

Advantages

  • Moderate damage
  • High rate of fire
  • Light weight
  • Fast reloading time
  • High reserved ammo
  • Free

Disadvantages

  • Cannot be fired while reloading
  • Low magazine capacity
  • Expensive price
  • Obtainable through events only
  • Cannot be enhanced

Release Dates

This weapon was released on:

  • South Korea: 9 April 2015.
  • Taiwan/Hong Kong: 9 April 2015.
  • China: 9 April 2015.
  • Japan: 22 April 2015.
  • Indonesia: 8 July 2015.
  • CSN:Z: 30 March 2016.
Flame MK3A1
  • South Korea: 22 September 2016.

Obtaining Procedures

This weapon can be obtained by participating in Special Mission event:

  • Duration Extender can be used to extend the duration of Jackhammer.
  • Obtainable by completing Special Missions (100-day duration for each time completing). Note that a Special Mission can only be completed once per day.
  • Permanent status can be obtained after collecting it for 1000 days.
  • Player can choose other prizes as well after completing Special Mission.

This weapon can be obtained for permanent by playing Train Shed for 10 days during event:

  • Achieve 20 minutes of gameplay each day.
  • Accumulate at least 10 kills each time playing.

This weapon can be obtained permanently by simply clearing Special Missions for a total of ten days.

  • Clearing Special Missions that can be completed alone (Bot Original, Bot Team Deathmatch) will still count towards the event's progress, even though the completion notification is not displayed.

Variants

Flame Jackhammer
Mk3a1se

Flame Jackhammer holds 15 rounds of explosives. Its damage was improved by increasing the number of magazines and replacing the shots, complementing the existing weakness of guns. Incinerates hit enemies, doing damage for 5 seconds. Damage per tick: 2 (Normal), 20 (Zombie), 20 (Scenario).

Battle Jackhammer
Bmk3a1

A 12 gauge shotgun with 10 rounds, honed into a new weapon through intense action on the field.

Comparisons

M4 icon

Positive
  • Higher magazine size (+3)
  • Higher reserved ammo (+8)
  • Faster reloading time (-1.5s)
Neutral
  • Same damage (52)
  • Same accuracy
  • Same recoil (52%)
  • Same speed reduction (4%)
  • Same ammo type (12 gauge)
  • Purchaseable by both teams
Negative
  • More expensive (+$500)
  • Lower rate of fire (-1%)
  • Cannot be fired while reloading
  • Obtainable through events only

Icon usas cso

Positive
  • Lower speed reduction (-23%)
  • Faster reloading time (-2s)
  • Can be purchased by both teams
Neutral
  • Same damage (52)
  • Same accuracy
  • Same recoil (52%)
  • Same ammo type (12 gauge)
  • Cannot be fired while reloading
Negative
  • More expensive (+$150)
  • Lower rate of fire (-1%)
  • Lower magazine size (-10)
  • Obtainable through events only

Gallery

Mk3a1-1

Shoot sound

Mk3a1se-1

Shoot sound

CSO MK3A1 Flame (JACKHAMMER) Review

CSO MK3A1 Flame (JACKHAMMER) Review

CSO 카스온라인 초강력 신규총 플레임 잭 해머 리뷰 (Flame Jack Hammer) 료핸

CSO 카스온라인 초강력 신규총 플레임 잭 해머 리뷰 (Flame Jack Hammer) 료핸

CSNZ Battle Jackhammer Gameplay

CSNZ Battle Jackhammer Gameplay

CSO BattleMK3A1 v.s. MagnumDrill(+0) v.s

CSO BattleMK3A1 v.s. MagnumDrill(+0) v.s. Volcano(+6)

CSO CSN Z Weapon Review Battle PJ MK3A1 vs Flame PJ MK3A1

CSO CSN Z Weapon Review Battle PJ MK3A1 vs Flame PJ MK3A1

Trivia

  • Its reload animation is a wholesale replication of Battlefield 3's MK3A1, as seen in this video.
  • The words "M3 Jackhammer" are engraved on the weapon's carry handle.
  • The MK3A1 is just a prototype weapon; only few versions were produced in real life. The closest variant available is the Pancor Jackhammer Mark 3-A2. However, such shotgun series is no longer in production.
  • Flame Jackhammer gives burn effect to the victim, giving damage over time for several seconds.
    • The weapon has an orange light pattern on the body.

External link