Umarex Marlin Old West CO2 BB Revolver Field Test Review

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Type: BB Pistol.
Manufacturer: Distributed by Umarex
Model: Marlin Old West Revolver
Materials: Mostly plastic, some internal metal parts.
Weight: 1.2 pound (544 grams).
Total Length: 10.5 inches (26.6cm).
Barrel: 5.5 inches 14cm) metal non-rifled.
Propulsion: CO2.
Action: Revolver SAO.
Ammunition Type: 4.5mm Steel BB’s.
Ammunition Capacity: 18 round internal magazine.
FPS: Claimed 400.

In this Field Test Shooting video for the Umarex Marlin Old West CO2 BB Revolver I check real-world performance: first I measure fps using a fresh standard 12-gram CO2 cartridge and 4.5 mm steel BBs through my chronograph. After that I hang a paper target at 30 feet and fire 10 rounds using the Single-Action-Only trigger to see what kind of grouping the revolver delivers straight out of the box.

The John Wayne Marshal CO2 BB Revolver is a lower cost mostly plastic Single Action Army Revolver with a fair amount of plastic in the build, but it does feel fairly well built and fairly solid other than being a bit lighter weight. It should produce close to 400 fps velocities in warmer conditions which is more than enough for plinking and pop can shooting which is really what it is built for. I do have to mention that this John Wayne Marshal CO2 BB Revolver for whatever reason is double the price of the Crosman Fortify CO2 BB Revolver I reviewed earlier, so if you don’t care about the John Wayne Licensing, than maybe consider the Crosman version for a lower priced option.

Read the full post here:
www.replicaairguns.com/posts/2025/10/24/umarex-marlin-old-west-co2-bb-revolver-field-test-review

Buy the Umarex Marlin Old West CO2 BB Revolver In Canada:
https://www.replicaairguns.ca/umarex-marlin-co2-bb-revolver

Buy the Umarex Marlin Old West CO2 BB Revolver in the US:
https://www.replicaairguns.us/umarex-marlin-co2-bb-revolver