Heritage Rough Rider RR22MB4 | 22 LR/22 WMR Combo

The Heritage Rough Rider RR22MB4 is a single-action rimfire revolver offered as a two-cylinder combo that accommodates both .22 LR and .22 WMR cartridges. It pairs a micro-threaded, inserted blued barrel with a six-shot cylinder and traditional single-action controls, presented with cocobolo grips and fixed iron sights. The revolver is designed to deliver a classic Single Action Army profile in a scaled-down rimfire package suitable for recreational use.

Common applications include informal target shooting (plinking) and western action shooting disciplines where a period-correct profile and single-action operation are preferred.

Product Specifications

• The manufacturer is Heritage Arms.
• The model is Rough Rider.
• The manufacturer’s part number is RR22MB4.
• The caliber is a .22 LR / .22 WMR two-cylinder combo.
• The action is Single Action.
• The capacity is 6 rounds.
• The barrel length is 4.75 inches.
• The barrel material is 1215 steel.
• The barrel finish is Blued.
• The cylinder material is 12L14 steel.
• The grips are cocobolo.
• The sights are fixed front / notched rear.
• The rate of twist is 1:14″.
• The safety is hammer/thumb.
• The UPC is 727962500217.

The Rough Rider pairs period styling with a rimfire combo capability and traditional single-action mechanics, delivering an approachable platform for range recreation and action silhouette matches. Its blued barrel, two-cylinder setup and wood grips present a classic appearance while retaining basic modern safety features such as a hammer block in the recoil shield.

Owners commonly praise the revolver’s tight cylinder lock-up and authentic Single Action Army styling. Many also comment positively on the cocobolo grips and the value of having both .22 LR and .22 WMR cylinders included.

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