Rossi RM66 .357 Magnum 6″ 6-Round Revolver

About this product

The Rossi RM66 is a medium-frame, steel-framed revolver chambered for .357 Magnum and also compatible with .38 Special. It pairs a six-inch barrel with a six-shot cylinder and a wrap-around rubber grip to help manage recoil during range sessions and heavy loads. The RM66 operates in both double-action and single-action modes and includes a hammer block safety for secure handling.

Key Specifications

• The caliber is .357 Magnum / .38 Special.
• The capacity is 6 rounds.
• The barrel measures 6.00 inches.
• The action is Double / Single Action (DA/SA).
• The frame is constructed from stainless steel.
• The grip material is rubber.
• The safety type is a hammer block.
• The cylinder finish is black.
• The overall length is 11.14 inches.
• The rifling twist rate is 1:16.5 in RH with 6 grooves.

Designed for shooters who value straightforward, durable hardware, the RM66 fits common holsters and speed loaders for medium-frame revolvers and works well for target work, range use, and applications where a reliable, traditional revolver is preferred. Its combination of familiar controls, full-length underlug barrel and cushioned rubber grip make it a practical choice for handling magnum loads with manageable recoil.

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