Gamo P900 IGT pellet pistol: Part 3

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1
Part 2

Gamo P900 IGT air pistol
Gamo P900 IGT air pistol

This report covers:

• Accuracy testing
• RWS Hobby pellets
• Trigger control
• Shot cycle
• Gamo Match pellets
• Gamo Raptor PBA pellets
• Air Arms Falcon pellets
• What’s the verdict?

Let’s look at the accuracy of the Gamo P900 IGT air pistol. Several of you have wondered if this is the air pistol you’ve been waiting for — today, we’ll see.

Accuracy testing
I shot the pistol off a rest at 10 meters. I rested my hands on a sandbag and held the pistol away from the bag with a two-hand hold. I used a 6 o’clock hold sight picture, which is more difficult to do with a bead fiberoptic front sight. But the target was brightly lit, and the firing point was in the dark; so, the fiberoptics did not illuminate, nor did the strange yellow rear sight blade cause any problems.

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Gamo P900 IGT pellet pistol: Part 2

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1

Gamo P900 IGT air pistol

Gamo P900 IGT pistol

This report covers:

• Velocity
• RWS Hobby pellets
• Gamo Match pellets
• Gamo Raptor PBA pellets
• Trigger
2014 Ft. Worth airgun show update

Velocity
Let’s get right into the report. Today, we’ll look at the velocity of this Gamo P900 IGT air pistol. A number of comments were made about how underpowered this air pistol is, but I disagree. They’re condemning it without testing it — from just reading the numbers. We’ll set that straight today.

RWS Hobby pellets
The first pellet I tested was the 7-grain RWS Hobby wadcutter. This pure lead pellet is probably just right for the P900 powerplant. Gamo advertises the P900 as getting 400 f.p.s. with lead-free alloy pellets, so we expect the Hobbys to be slower because they’re heavier. And slower they are! When I seated them flush with the breech, Hobbys averaged 332 f.p.s. with a range from 321 to 340 — a spread of 19 f.p.s. They developed 1.71 foot-pounds, on average.

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Gamo Whisper Fusion IGT breakbarrel air rifle: Part 4

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1
Part 2
Part 3

Gamo Whisper Fusion IGT air rifle
Gamo Whisper Fusion IGT air rifle.

Today will be a very interesting report, in my opinion. The Gamo Whisper Fusion IGT air rifle I’m testing turns out to be a fascinating airgun in many ways. Let’s get right to the report.

Today we will look at accuracy at 25 yards with the scoped rifle. The first thing I had to do, therefore, was mount the scope. The rifle came with a scope installed in a one-piece scope mount. Its vertical scope stop pin was already correctly adjusted to fit the stop pin hole in the raised mount on top of the rifle’s spring tube. That is rare, in my experience. Normally, the scope will be installed correctly in the mount but has to be taken out of the mount to sufficiently adjust the height of the stop pin.

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Gamo Whisper Fusion IGT breakbarrel air rifle: Part 3

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1
Part 2

Gamo Whisper Fusion IGT air rifle
Gamo Whisper Fusion IGT air rifle.

This is the first accuracy report for the .177-caliber Gamo Whisper Fusion IGT air rifle. I shot this test using the open sights at 10 meters from a rest. I did that because I usually don’t have much luck with powerful gas-spring air rifles. They tend to spray their pellets all over the place. And getting a scope mounted and stable can also be a problem, so I wanted a track record for the rifle before I got to any of that.

Smooth Action Trigger
I usually wait until the accuracy test to report on how well the trigger, which in this instance is the Smooth Action Trigger (SAT), performs. The pull weight, measured in part 2, releases at 3 lbs., 12 oz. It’s a 2-stage trigger with a second stage that needs some explanation. Instead of pausing at stage 2 and then breaking cleanly, the trigger on the test rifle — and I must assume on all SAT — pulls through stage 2. You can feel the trigger move, yet there’s no creep. The pull is — well — smooth! And it’s predictable. It’s a different sort of feel from other triggers but not different in a bad way. I don’t think anyone will need to buy an aftermarket trigger when they have a rifle with the SAT installed. Well done, Gamo!

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Gamo P-25 air pistol: Part 3

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1
Part 2

Gamo P-25 air pistol
Gamo P-25 is a 16-shot blowback pellet pistol.

Today is accuracy day with the Gamo P-25 air pistol. I inserted a fresh CO2 cartridge into the gun, loaded both of its 8-shot rotary clips and then slid the magazine into the grip.

I shot the pistol at 10 meters, which seems appropriate for a gun of this type. I shot it rested with a two-hand hold and my arms resting on the sandbag but the pistol free to move.

The pistol has open sights that are not adjustable. They have white dots, both front and rear, but that was cancelled by lighting the target brightly and shooting from a dimly lit place. I used a 6 o’clock hold, and the sights were very sharp and easy to align.

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Gamo Whisper Fusion IGT breakbarrel air rifle: Part 2

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1

Gamo Whisper Fusion IGT air rifle
Gamo Whisper Fusion IGT air rifle.

Today, we’ll look at the velocity and power of the Gamo Whisper Fusion IGT air rifle. This breakbarrel rifle has a gas spring that seems to intrigue many new airgunners, so let’s talk about that first. A gas spring is a unit that uses compressed gas rather than a coiled steel mainspring to power the piston. Besides that, it’s identical to a conventional spring-piston powerplant.

What’s in a name?
There are many names for the gas spring. Some call it a gas strut, others call it a gas ram, but all these names refer to the same thing. We’re talking about a mechanical device that contains compressed air or other gas (Crosman uses nitrogen — hence Nitro Piston) to push the piston. When the gun is cocked, the piston unit is pushed backwards — making the compressed gas reservoir shorter. When the gas chamber inside the piston becomes smaller, it causes the internal pressure to rise. When the gun fires, this compressed gas pushes the piston forward, and the piston seal compresses the air in front of it.

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Gamo P-25 air pistol: Part 2

by Tom Gaylord, a.k.a. B.B. Pelletier

Part 1

Gamo P-25 air pistol
Gamo P-25 is a 16-shot blowback pellet pistol.

Today, we’ll look at the velocity of the Gamo P-25 air pistol, and something interesting that happened. Normally, I report on the velocity of 3 or 4 pellets and leave it at that, but a strange thing happened with the first CO2 cartridge in the test pistol.

I didn’t screw the piercing screw deep enough into the CO2 cartridge, resulting in the gas flow being hindered. I’ve experienced this a few times in the past, but this time it was very pronounced. After each shot, there was a period of time that ranged from 5 to 10 seconds, during which the gas flowed audibly from the cartridge into the gun’s valve. It sounded like a leak in the gun, but I noticed it only lasted a few seconds before stopping, so it wasn’t venting to the outside. It was the gas flowing from the cartridge into the gun’s valve, where it would be used for the next shot.

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