SR-3MP is a Tactical Doll in the mobile game 'Dolls' Frontline', a strategic RPG game set in a dystopian future. She is a highly versatile and effective submachine gun T-Doll, known for her exceptional tactical capabilities and adaptability in various combat scenarios. In the game's storyline, SR-3MP plays a crucial role in the player's squad, offering support with her impressive firepower and unique skills. Her design is sleek and modern, reflecting her efficiency and precision in battle. SR-3MP is well-regarded by players for her reliability and combat prowess.