Gamo GP-20 Combat CO2 BB Pistol Field Test Review

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Type: NBB CO2 BB Pistol.
Manufacturer: Distributed by Gamo.
Model: P-20.
Materials: Plastic & metal.
Weight: .97 pounds (439 grams).
Total Length: 7.25 inches (184mm)
Barrel: 4.25 inches (108mm) metal non-rifled.
Propulsion: CO2 x 1.
Action: Semi auto NBB, double action only trigger.
Ammunition Type: 4.5mm steel BB's.
Ammunition Capacity: 20 round metal stick magazine.
FPS: Claimed 400.

The Gamo GP-20 Combat CO2 BB Pistol is like many of these low cost CO2 NBB BB Pistols, was very predictable as I have shot a ton of them and since they all share similar mechanical attributes internally, they tend to shoot about the same. I don’t mean this as a bad thing since they generally all shoot fairly decent with right around 400 fps velocities and generally I get anywhere from a 2 inch to 4 inch grouping with them. The good parts is the design is tried and trued and seems to be very durable and problem free with less moving parts to go wrong. They are also rather low cost and the magazines are interchangeable, so if you have other models based on this same build design, then you can mix and mach your magazines and load them all up for non-stop shooting fun. I do like the overall feel of this NBB CO2 BB Pistol, and the sights are very easy to aim with being white dot in the front and fiber optic in the back. If you are looking for a low cost basic NBB CO2 BB Shooter then this could just check all those boxes for you.

Read my full written review here:
www.replicaairguns.com/posts/2024/6/20/gamo-gp-20-combat-co2-bb-pistol-field-test-review

Buy the Gamo GP-20 Combat CO2 BB Pistol in Canada:
https://www.replicaairguns.ca/gp-20-combat-co2-bb-gun

Buy the Gamo GP-20 Combat CO2 BB Pistol in the US:
https://www.replicaairguns.us/gp-20-combat-co2-bb-gun