Rossi RM66 | .357 Mag | 6″ Barrel | 6 Rd | 2-RM669

The Rossi RM66 is a medium-frame, six-shot stainless-steel revolver chambered for .357 Magnum and compatible with .38 Special. It features a 6.00-inch barrel and a wrap-around rubber grip designed to help mitigate recoil during firing. The RM66 operates in both double-action and single-action modes and includes a hammer-block safety.

With its 6-inch barrel and six-round cylinder, the RM66 suits range and target shooting where sight radius and controllability matter, and it can be used for field shooting/hunting applications appropriate to the caliber. The revolver’s design also accommodates common medium-frame holsters and speed loaders.

Product Specifications

• The caliber is .357 Magnum / .38 Special.
• The capacity is 6 rounds.
• The action type is Double / Single Action.
• The barrel measures 6.00 inches for an extended sight radius.
• The barrel material is stainless steel.
• The cylinder material is stainless steel.
• The frame material is stainless steel.
• The grip material is a rubber wrap-around style.
• The front sight is a removable serrated blade.
• The twist rate is 1:16.5-in RH.
• The bore has 6 grooves.
• The safety is a hammer block.
• The overall length is 11.14 inches.
• The overall height is 5.47 inches.
• The UPC is 725327633648.

The RM66 balances traditional revolver ergonomics with a long sight radius and sturdy stainless construction. Its medium frame and wrap-around rubber grip help manage recoil from full-power .357 loads while the six-inch barrel provides a platform suited to deliberate, accurate shooting. The revolver accepts common medium-frame accessories and is built for shooters who want a straightforward, reliable six-shot design.

Owners commonly praise the RM66 for its crisp single-action trigger pull and for the comfort of its wrap-around rubber grip, noting those features help with follow-up shots and recoil control.

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