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Not to be confused with the ARMOR specializtion
Flak Jacket IRL

A real life flak jacket.

Modern day armored vests were originally known as "flak jackets", and were used by bomber crews to protect against high-caliber proximity-detonated anti-aircraft shells (flak). After research during the Vietnam war showed that 2/3 of casualties were from fragmentation, not bullets, body armor saw a proper return to the frontlines.

Battlefield 3Edit

"Reduces the damage taken from explosives and shrapnel by providing additional coverage to high risk body parts."

— Battlelog description

FLAK is a Specialization in Battlefield 3. It reduces the damage taken from explosives and shrapnel by 15% to high risk body parts. It does not, however, protect against direct hits.[1]

The solo specialization is unlocked at rank 8, while the squad specialization is unlocked at rank 29.

Battlefield 4Edit

FLAK is a specialization featured in Battlefield 4. It decreases damage from explosions by 15%. It is a part of numerous Upgrade Paths. As in Battlefield 3, the specialization does not protect against direct hits from explosives.

Upgrade PathsEdit

Battlefield HardlineEdit

"Reduces explosive damage, allowing the wearer to survive an otherwise lethal blast."

— In-Game Description

FLAK JACKET is a Tier 1 specialization featured in Battlefield Hardline as apart of the Mechanic Reputation track. As with past installments, it provides increased protection from explosive damage.

Battlefield 1Edit

Flak is a Specialization featured in Battlefield 1 for all kits. Introduced as part of the In the Name of the Tsar expansion, it was added to the Community Test Environment in August 2017. The specialization reduces damage from all incoming explosives by 10%.

It is one of three specializations unlocked by default, the other two being Cover and Quick Regen.


  1. - @Demize99 - Twitter - Retrieved September 10, 2011