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A Heavy Barrel is a weapon attachment used to increase a weapon's accuracy by reducing barrel whip.

Battlefield 3Edit

"A Heavy Barrel and Match Rounds give much greater accuracy for aimed fire, but reduce accuracy when firing from the hip. The combo increases range and reduces bullet drop, but does not alter the damage."

— Battlelog description

The Heavy Barrel is an attachment in Battlefield 3 that increases long range accuracy during aimed fire but increases the weapon's vertical recoil.

Match Rounds do not increase the overall damage of the weapon, but they do increase the speed of the rounds in certain weapons.

The 1.04 patch, first released on 27 March 2012, now makes the Heavy Barrel, paired with Match Rounds, increase the maximum range of the weapon and increases the aimed accuracy. The minimum and maximum damages are unchanged. A small hip accuracy penalty was added to represent the added weight of the accessory but the exact penalty amount is weapon specific.[1]

Battlefield 4Edit

"Heavy cold hammer forged barrel to improve aimed fire accuracy at the cost of additional muzzle climb, a penalty to stability."

— Battlelog description

The Heavy Barrel is a weapon attachment featured in Battlefield 4. It increases a weapon's long range accuracy, but increases its recoil. Currently this is in the form of a 50% reduction in the minimum ADS spread of a weapon at the cost of 33% increased recoil. Unlike its Battlefield 3 counterpart, it does not increase muzzle velocity to weapons attached with it.

Battlefield HardlineEdit

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"Free floating heavy barrel improves aimed fire accuracy and slightly decreases recoil, but decreases maneuverability."

— Battlelog description

The Heavy Barrel is a weapon attachment featured in Battlefield Hardline.

Like in previous games, it improves accuracy by reducing the base spread. However, rather than increasing recoil, it slightly decreases recoil, allowing for more accurate fire.

It does add a penalty to mobility due to its additional weight, making it somewhat less suitable for highly-mobile style.


P90 Heavy Barrel.png
UMP-45 Heavy Barrel.png
MX4 Heavy Barrel.png
  • In the launch version of Battlefield 4, equipping a Heavy Barrel on certain Personal Defense Weapons gave the barrel a longer appearance. Mastery Dog Tags for the P90, UMP and MX4 feature profiles of extended barrels. This was changed in a later patch - now equipping the Heavy Barrel attachment no longer alters the weapon's appearance.


  1. zh1nt0, 2012, Game Update will drop on the 27th of March for PlayStation 3. Xbox 360 and PC will come soon., viewed 6 October 2013, <>.
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