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Gamo Whisper Fusion Mach 1

Available in .177, .22, IGT Gas Piston, Includes SAT Trigger
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    .177
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    .22
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  • Code: AGD-40217681 · $319.99 · .177 · 1420 fps
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Gamo intended the Mach 1 rifle to be the standard for stealthy hunting and accurate shot placement, the Gamo Whisper Fusion Mach 1 air rifle is a leader in quiet shooting. Outfitted with a 3-9x40 scope, it's a hunter's dream when it comes to quiet, precise shooting. The Whisper Fusion Mach 1 air rifle combines some of the most advanced technologies Gamo has to offer. Whisper Fusion double-integrated noise dampener reduces report by 89.5%, and the IGT Mach 1 power plant delivers more velocity and terminal strength. The Gamo Whisper Fusion Mach 1 features the Whisper Fusion sound moderator, which allows pellets to travel through two different chambers that combine to compress and prevent noise expansion, resulting in the quietest Gamo power plant available. With all of the technologies that Gamo utilizes during the manufacturing process, this is one of their most effective break barrel rifles to date, which makes it perfect for pest control to target shooting and everything in between.

Gamo Whisper Fusion Mach 1 Air Rifle Features
  • IGT MACH 1 gas piston (IGT=Inert Gas Technology)
  • Breakbarrel
  • Single-shot
  • Velocities up to 1420 fps in .177 caliber w/PBA Platinum ammo
  • Fixed fiber optic front sight
  • Fully adjustable fiber optic rear sight
  • 11mm scope rail
  • Whisper Fusion double-integrated noise dampener (reduces report by 89.5%)
  • Rifled steel bull barrel
  • Fluted polymer barrel jacket
  • SWA (Shock Wave Absorber) recoil pad reduces felt recoil by up to 74%
  • All-weather ambidextrous stock with black rubber inserts on grip & forearm
  • Raised cheekpiece
  • Custom Action Trigger (CAT) independently adjustable 1st and 2nd stage, allows you to tailor you trigger
  • Automatic cocking safety system
  • Manual safety
  • Recoil Reducing Rail maximizes scope lifespan with 99.9% recoil compensation
  • Includes 3-9x40 scope

Optics Features
  • 3-9x magnification
  • 40mm objective lens
  • 1" tube
  • 30/30 reticle with fine crosshairs, perfect for target acquisition
  • 40 ft to 12 ft field of view
  • 3.5" eye relief
  • 21.6 oz
  • 13.5" long
  • Fogproof
  • Shockproof
  • Wateproof
  • Includes lens caps

Benefits of the IGT MACH 1 over a metal mainspring
  • Large cylinder delivers more velocity and terminal penetration
  • Smoother cocking and shooting
  • Increased precision and speed
  • Less vibration
  • No spring fatigue, even if you leave it cocked for hours
  • Functions perfectly in cold weather
  • Lasts longer than a metal spring
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Specs
  • ManufacturerGamo
  • Caliber .177
  • Velocity 1420 fps
  • Condition New
  • Ammo Type Pellets
  • Action Break barrel
  • Barrel Style Rifled
  • Fire Mode Single-shot
  • Gun Weight 6.61
  • Overall Length 46.00
  • Barrel Length 20.50
  • Loudness 3-Medium
  • Magazine Capacity 1
  • Mechanism Gas-piston
  • Rail 11mm dovetail
  • Safety Manual
  • Front Sights Fiber Optic
  • Rear Sights Fiber Optic
  • Trigger Adjustability Two-stage adjustable
  • Use Small game hunting/target practice
  • Warranty 5-year limited warranty
  • Cocking Effort 32 lbs
  • Noise Level 91.24 dB
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Reviews
Average Customer Review
4.2
4.019 Reviews
5
58% (11)
4
26% (5)
3
5% (1)
2
0% (0)
1
11% (2)
Write a Review
Sort by:Date Rating
5.0
By JoelUSASeptember 19, 2026

Update to my Dec. ‘24 review. I own a number of airguns of all kinds and this one is one of my top 5. In over 2 years of moderate to heavy use it hasn’t given me one issue. Drop of silicone in the chamber once in a while and barrel cleaning and that’s it. This is the slickest cocking and shooting break barrel I have. Heavier cocking than the base power Gamos but nowhere near my 3 magnum powered break barrels. Some seem to have had an issue with the suppressor causing accuracy issues. I haven’t had any problems. I surely have 5k rounds through this gun by now. Make sure you mount your scope on the front section of the recoil reducing rail and don’t let a scope ring even touch the rear portion. You might have to drill your own hole for your stop pin. Mine really likes Hornets ,AEA 15.9, JTS 16.08, and Hades. Haven’t ventured past those four pellets. If you tried Gamo break barrels years ago, you need to experience the newer ones. I have 7 and not a bad 1 in the bunch.

Pros
Smooth cocking and shooting, consistently accurate, might be my favorite of all my break barrels

Cons
Included scope of course, the mounting of your scope and eye relief takes a little doing because of the recoil reducing rail, but not that bad once you figure it out. Check out airgun detectives vids if you need tips

5.0
By ThomasUSAMay 28, 2025 Verified Purchase

Air gun depot has been top of the line service. When I did have a problem it was taken care quickly. Always quick delivery. I have no complaints.

Pros
Good quality for the price. Very accurate right out of the box. I installed a after market scope right away. The scope scent is decent, but not as clear as I like. Over all great gun for the price.

Cons
I wouldn't change anything because it's extremely good gun for the money.

4.0
By AnonymusApril 16, 2025

Pros
Measured velocity information for two .22 lead pellets: - Elevation: 6,700 ft. Per ICAO Standard Atmosphere, air density 18% and air pressure 22% lower than at sea level. - Temperature: 74 degrees F. - Velocity measured 5 ft from muzzle. - N=24 for both pellets. 1. Crosman Premier 14.3 grain: Average = 667 fps, std. dev. = 13.3 fps. 2. Gamo RedFire 15.59 grain: Average = 650 fps, std. dev. = 5.8 fps.

5.0
By JoelUSADecember 14, 2024

I got one of these on sale from Gamo a while back and its been put to its paces ever since. Not quite as powerful as my Magnum GR but pretty close. It has the same power plant as the Bone Collector. I havent taken a chance on the Swarm guns. I just think it adds too much complexity to such a simple platform and the last thing I want to do is send one in for warranty. Ive hit starlings at over 50 yards in tree tops with this gun pretty consistently. Same with my GR. Only small issue Ive had with my three Gamos with these open sights is the front sight globe has started to rattle a little. Nothing a little clear epoxy didnt fix. Install the 10mm trigger screw and youve got a match trigger. Got this because it can be left cocked for awhile being a gasser. Th GR is a springer. Im using UTG 4-16x40 hunter scopes on both. Keep your barrel clean and a drop of silicone oil in the cylinder once in a while and youre set. Mine really likes Hades and Hornets.

Pros
Powerful, accurate, relatively quiet

Cons
Price

4.0
By DavidUSAAugust 11, 2022

5 stars if not for the silencer issue- no issue with trigger or anything else

Pros
i like the gun it's very accurate and i have no issues really with it

Cons
the things i would change is the silencer- that poor part of the rifle i bought in last year .177 .22 and both had silencer issues- removing both pins at nozzle and removing had glue both parts together- i use pc 7 epoxy- i dont like the dove tail so added Pict nary rail-and best scope found work with it after many cheap relative expensive is the vector optics paragon 3-15-50 scope-400.00 scope but well worth it for high powered pellet guns- i can hit head of pencil 15 yrds- but think the gamo should give a xtra silencer - and or make that part easily available-also find the premier pirahna 14.3 grain 400 count pellets work best use same on the .177- i do like the gun better than the wood stock Benjamin .177- though that gun is dead on too-

1.0
By SteveUSAApril 10, 2022

Pros
Looks awesome

Cons
Will not shoot a consistent group. Have tried 10 different kinds of pellets. New scope , still flyers even at 10 yards

5.0
By RussellApril 9, 2022

Pros
its been a great fit for my needs

Cons
im looking for a replacement part and cant seem to find out how to get one

5.0
By PaulUSAJune 11, 2021

Air gun depot's service was great. Yesika was my agent, and she did a great job at getting my gun to me in a timely manner. She was polite, professional, and knowledgeable.

Pros
The scope was easy to attach, and pretty accurate right out of the box with no adjustment. Minor adjustment put it right on. The rifle shoots great. Can't wait to see how it does with small game with alloy pellets.

Cons
I can't think of anything to change.

4.0
By JohnUSADecember 19, 2020

Overall great shooting rifle with nice power. Highly accurate with stock scope after only a few adjustments. This review is of the first 100 or so pellets fired after I unboxed the brand new rifle.

Pros
I would give this rifle 5 stars if not for the "Con" listed below. So, overall, I love this rifle. I was open to the idea of replacing the stock scope with something nicer if I could not get desired results. I mounted the stock scope and was shooting sub MOA groups at 25-30 yards. I was literally key holing pellets with the stock scope after shooting 10 pellets and making the required dope adjustments. I shot two different kinds of pellets-JSB Diabolo Exact Jumbo .22 Cal, 15.89 gr - and some lighter grain Gamo pellets. I had good results with each of these pellets but the rifle was slightly more accurate with the Diablo Exact Jumbo 15.89 grain. Lots of thump and good accuracy with a dialed in scope. I will report back after I put more pellets through it. Overall, I recommend this rifle for fun plinking and varmint elimination.

Cons
I was initially excited about the fiber-optic sights and even considered not mounting a scope due to the sights. Well, for me and my rifle, that was a hard NO-GO. The groups were consistently good but way off and with only the rear sight being adjustable, I was using the force to hit targets without a scope mounted. I was disappointed with the accuracy/adjustability of the sights and this is why I docked it one star. Otherwise, this is a 5 star rifle in my opinion, thus far.

5.0
By DanielUSANovember 24, 2020

Straight out of the box I put 10 cheap rounds through it and immediately shot a 1/2 inch group at 40yds

Pros
Accurate as you are

Cons
No open sights

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Q&A

Question?

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Does the scope come off?

asked MYRON from USA

Yes, you can remove the scope.

Adam from USA

Can the whisper fusion mach 1 handle bigger than 5.5 mm? Like 5.53 etc.

asked Eduardo from USA

5.55s. Correction

Joel from USA

Mine accepted FTT 5.5s, but they were far from the most accurate.

Joel from USA

Cannot get any kind of grouping with any pellet. From 10 yards to out to 30, absolutely no consistent . Very disappointed!

asked Steve from USA

Although I havent had any problems, some people seem to have had accuracy issues with the Whisper Fusion Suppressors.

Joel from USA

Research: Air rifle artillery hold.

Wilbur from USA

Hey There Friends, I am willing to bet none of you cleaned the barrel before you took that first shot ! One thing is very very important every time ! When you get a new gun is to clean out the barrel if you don't you get results like in the reviews ! So remember a clean well maintained gun is a tack driver !

asked Donald from USA

is there a left hand version

asked Ted from USA

Look at the pics, its ambidextrous.

Joel from USA

Hallo. wie fiel Joule hat das Gewehr Kaliber .22?

asked Herbert from Austria

Are nitro piston?

asked Juan C. from USA

Yes

Mark from USA

could this kill a coon within 30 yards

asked Keith from USA

To Greg, stop detonating pellets. These guns arent built for it. Could easily get you a trip to the emergency room.

Joel from USA

Trash pandas are tough and harder to kill, especially the big ones. I wouldnt attempt to take one with this gun. This gun is rated at 20-22 fpe. I would use a .25 cal at 30 or more fpe and good shot placement. If you go to .30 cal, you should probably have even more power behind it. I always go for a fast humane kill.

Joel from USA

Easily... shot mine though a steel entry door at 20 yards with raptor pellets... (dieseled) [email protected] for any further questions

greg from USA

In the features section I states auto cocking system what is that. Thanks Leau Hall

asked Leau Hall

Safety is engaged as you cock the gun and disengages when you close the barrel.

Joel from USA

Will a utg 3_9×40 1" hunter scope work on my fusion Mach 1 Or is there a better scope to purchase for around the same price.

asked Gary Hamm

UTG makes great scopes for break barrels. Others do too. Check through reviews here and youll see which ones to avoid. I have been using the Mantis scopes for awhile now with good success on a couple breakers including a Gamo Hunter Extreme .25. That one is relatively new still so time will tell. I would definitely trust one on this gun.

Joel from USA

how many db's are 3 medium?

asked Jerelene Evans

What is the difference between "Whisper Fusion Mach 1" and "Black Maxxim IGT Mach 1" except the barrel?   "Whisper Fusion Mach 1" costs more at some stores. Than "Black Maxxim IGT Mach 1" why? After all, "Black Maxxim IGT Mach 1" is higher in class and should it cost more? I already think that "Whisper Fusion Mach 1" is better than "Black Maxxim IGT Mach 1", is that so? And again, as I learned the red stripe is 0.177 caliber and the green stripe is 0.22 caliber, and what does the blue or black stripe on the butt mean?

asked Malkhaz from USA

what bipod works best Dean

asked Dean Hulse

The only type of bipod you can use on a break barrel would be a split rail. Short pic rails mounted to each side of the forestock. Then separate legs mounted to those. I think Depot has one on the site. Airgun Detectives also has one.

Joel from USA

is it possible to import in india?

asked Eric

On the whisper fusion mach1, does the scope come mounted? After it is mounted ,does the scope stay sighted in after repeated shooting, can one purchase a different ring setup so you can use iron sight while scope is in place?

asked Dick

How quiet is this gun?

asked Hudson

Hi, It will cost me about 445 $ including shipping charges to India. Will it be the final price in Indian rupees be 445 x 65 = Rupees 28925. Or I be charged transaction fee etc.

asked Parambir from USA

Are the 2 (both front and rear) iron sites removable on this rifle

asked Joe

Does wisper fusion mach 1 comes in .22 calibre. What would be the price in india

asked DILIP tayeng

What is the max lethal range for small game and pest control?

asked Bob M

What's the FPS with lead ammo? Say, for instance 14.3 grain Crosman Premier Hollowpoints?

asked Ethan
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