The RM66 features Rossi's prized double action trigger and crisp single action trigger pull. The RM66 features a 6" barrel with a red ramp front sight and a fully adjustable rear sight, full underlug barrel adds additional weight which helps manage magnum recoil, wrap-around rubber grip, cushioning your hand during firing.
| Sights | Removable Serrated Blade Front / Adj Rear |
| Barrel Finish | Black |
| Barrel Material | Stainless |
| Twist | 1:16" |
| Frame Size | Medium |
| Grips | Black Textured Rubber |
| Cylinder Material | Stainless Steel |
| Cylinder Finish | Black |
| Grooves | 6 |
| Height | 5.47" |
| Safety | Hammer Block |
| Width | 1.46" |
| Barrel Description | Stainless Steel |
| Barrel Length | 6" |
| Max Capacity | 6 |
| Weight | 34.40 oz |
| Frame Description | Stainless Steel Frame |
| Hammer Style | Exposed |