Rossi RM66 | .357 Mag | 6″ Barrel | 6rd | 2-RM661

The Rossi RM66 is a medium-frame, double/single-action revolver chambered for .357 Magnum with a six-inch barrel and a six-round steel cylinder. It ships with wrap‑around rubber grips and incorporates a hammer-block safety and full underlug barrel to help tame magnum recoil. The RM66 is presented in a dark finish and is built on a stainless-steel frame with steel barrel and cylinder.

Product Specifications

• The manufacturer is Rossi.
• The model is RM66 (ATF Model: RM66).
• The manufacturer part number is 2-RM661.
• The cartridge is listed as .357 Magnum and is commonly compatible with .38 Special.
• The capacity is 6 rounds.
• The barrel measures 6 inches.
• The action type is Double / Single Action.
• The frame designation is Medium.
• The frame material is listed as Stainless Steel.
• The barrel material is listed as Steel.
• The grip material is Rubber with a wrap-around style.
• The front sight is a serrated blade (removable).
• The cylinder capacity is 6.
• The UPC is 725327939917.

The RM66 is suitable for deliberate target work and range practice as well as field carry for legal hunting applications where a magnum revolver is appropriate. Its 6″ barrel supports consistent sight radius and velocity for precise shot placement with quality ammunition.

Owners commonly praise the RM66 for its crisp single-action trigger and for the way the full underlug and rubber grip reduce felt recoil when shooting full‑power magnum loads.

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