Cimarron MP421 Model P | .44-40 Winchester | 5.5″ Barrel

The Cimarron MP421 Model P is a single-action revolver offered in .44-40 Winchester with a 5.5-inch barrel and a six-round cylinder. It features a Pre-War style, case-colored/hardened frame with a blued barrel and a one-piece walnut grip. The design reflects a traditional Old West single-action profile suitable for period shooting and sporting use.

Applications for this revolver include Cowboy Action Shooting and historical reenactment where period-correct handling and appearance are important.

Product Specifications

• The manufacturer is listed as Cimarron Firearms.
• The model/style is MP421 Model P.
• The caliber is .44-40 Winchester.
• The barrel measures 5.5 inches.
• The cylinder capacity is 6 rounds.
• The frame designation is Pre-War with a case-colored/hardened finish.
• The barrel finish is Blued.
• The grips are a one-piece walnut design.
• The sights are fixed.
• The trigger type is standard.
• The hammer type is standard.
• The product length is 14.20 inches.
• The overall weight is 40.9 oz.
• The unit is not drilled and tapped: No.
• The UPC is 814230010698.

Well-suited for shooters who value a historically styled single-action revolver, the MP421 Model P combines period-correct appearance with modern manufacturing tolerances. Its 5.5-inch barrel and one-piece walnut grip provide familiar balance and handling for competitive cowboy action events or living-history demonstrations.