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Umarex

Marlin BB Revolver

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Co2-powered Bb

A single 12-gram cartridge housed

Shoots .177

Caliber steel BBs at up

5-inch Barrel

For backyard plinking and casual

18-round Integral

Magazine helps extend shooting between

Built-in Co2

Installation tool is located on

$64.99
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SKU: WX2*0750035

Overview

Built for casual shooting sessions, this CO2-powered BB revolver offers a straightforward way to enjoy backyard plinking with a classic single-action feel. A 12-gram cartridge housed in the grip powers .177 caliber steel BBs through the 5" barrel at up to 400 FPS, while the 18-round integral magazine helps keep shooting time moving between reloads. The built-in CO2 installation tool on the right grip panel adds convenience when it is time to swap cartridges. Its full-size revolver ergonomics make it a practical choice for shooters who want simple operation and a traditional handling style.

Why Hunters Choose the Umarex

Co2-powered Design

Supports backyard plinking and casual

Up 400

FPS muzzle velocity from the

18-round Integral

Magazine reduces reload frequency

Built-in Co2

Installation tool simplifies cartridge changes

Single-action Operation

Classic revolver feel

Key Features

  • CO2-powered BB pistol with a single 12-gram cartridge housed in the grip.
  • Shoots .177 caliber steel BBs at up to 400 FPS.
  • 5-inch barrel for backyard plinking and casual range use.
  • 18-round integral magazine helps extend shooting between reloads.
  • Built-in CO2 installation tool is located on the right grip panel.
  • Single action operation with full-size revolver ergonomics.

Best Used For

  • Backyard plinking sessions where a CO2-powered BB pistol offers simple, casual shooting fun.
  • Shooters who want a classic single-action revolver feel in a BB pistol format.
  • Users looking for an 18-round magazine for extended shooting between reloads.
  • Recreational range days centered on .177 caliber steel BBs and straightforward CO2 operation.
  • Those who prefer full-size revolver ergonomics for relaxed, informal target practice.

Specifications

Barrel Length5"
Caliber.177 caliber
Co2 Cartridge LocationHoused in grip
Co2 Cartridge Size12-gram
Co2 ToolBuilt-in CO2 installation tool on right grip panel
ErgonomicsFull-size revolver ergonomics
Magazine Capacity18-round integral magazine
Muzzle VelocityUp to 400 FPS
OperationSingle action
Power SourceCO2-powered
Projectile Typesteel BBs

Pros

  • CO2-powered design supports backyard plinking and casual range sessions.
  • Up to 400 FPS muzzle velocity from the 5-inch barrel.
  • 18-round integral magazine reduces reload frequency.
  • Built-in CO2 installation tool simplifies cartridge changes.
  • Single-action operation provides a classic revolver feel.
  • Full-size revolver ergonomics offer familiar handling.

Considerations & Trade-offs

  • Single-action operation means each shot follows a more traditional revolver cycle, so it is less suited to rapid follow-up shooting than a double-action design.
  • The 18-round integral magazine offers a decent shot count, but it still requires reloads during longer plinking sessions.
  • As a CO2-powered .177 BB pistol, performance depends on having fresh 12-gram cartridges on hand, so ongoing use involves consumable CO2 costs.
  • The 5" barrel and full-size revolver ergonomics support a classic feel, but this is a backyard plinking and casual range gun rather than a firearm for hunting use.

Suggested Comparisons

  • BB pistols
  • CO2-powered airguns
  • Single-action revolvers
  • Backyard plinking pistols

Suggested Accessories

  • BBs
  • 12-gram CO2 cartridges
  • Protective shooting glasses
  • Pellet/BB target

Frequently Asked Questions

What type of ammunition does the Marlin Single Action Revolver use?

It uses .177 caliber steel BBs.

How is the revolver powered?

It is CO2-powered and uses a single 12-gram CO2 cartridge housed in the grip.

How many BBs does the magazine hold?

It has an 18-round integral magazine.

What is the reported muzzle velocity?

The product is listed at up to 400 FPS.

Does it include a built-in tool for CO2 changes?

Yes. The right grip panel includes a built-in tool for CO2 cartridge installation and removal.