The Smith & Wesson Model 327 TRR8 is an American double-action revolver chambered for the .357 Magnum cartridge. It has a non-reflective matte black finish, and is capable of mounting optics as well as underbarrel flashlights and lasers. Unlike most other revolvers, it has a capacity of eight rounds.
The Model 327 TRR8 appears in Battlefield Hardline as the .357 RS.
— In-game description
The .357 RS performs similarly to the .44 Magnum, but is less powerful at long range, gearing it more towards closer engagements. It does, however, possess the highest cylinder capacity out of all of the Mechanic's Revolvers at eight rounds, allowing the player to fight longer before having to reload the weapon.
- The .357 RS was one of a handful of weapons present in Hardline's June beta files in an unfinished state, but could be equipped if the beta's files were modified to allow their use. Since PunkBuster was not used during the beta, the weapons could be used online in this fashion.
- In this state, the weapon was named the RS357, and reused the .44 Magnum's sounds and animations from Battlefield 4.