Bulldog

The SRSS BullDog 762 Gen-4 is a bullpup assault rifle that fires the 7.62x51mm NATO cartridge. Its internal build is identical to that of the M14 rifle.

Battlefield 4
The Bulldog is an assault rifle introduced in the Battlefield 4: Dragon's Teeth expansion. It is unlocked upon completion of the Lions and Tigers and Bears assignment.

Trivia

 * It was first discovered in the game files after a patch was released for the Community Test Environment on PC.