Umarex Fusion 2 CO2 rifle: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

Fusion 2
Umarex Fusion 2 CO2 repeater.

This report covers:

  • What is it?
  • Seen before
  • Quiet?
  • Power?
  • Description
  • Repeater
  • Magazine
  • Sights
  • Ambidextrous?
  • Summary

What is it?

The Umarex Fusion 2 CO2 repeater is a .177 caliber bolt-action repeating air rifle. It comes with two 9-shot rotary pellet magazines and a 4X32 scope. The rifle is powered by two 12-gram cartridges or by one 88-gram cartridge. The claim is up to 70 powerful shots on the 12-gram cartridges and as many as 250 shots on an 88-gram cartridge.

Seen before

Back in 2013 I did a 5-part report on the first Fusion rifle. It tested well, though I did have trouble trying to adjust the trigger. The box this new Fusion 2 rifle comes in says the trigger is adjustable, but the manual has no information about it. And Pyramyd Air lists the trigger as single-stage. I will check further, but I do believe the trigger is not adjustable.


The rifle I tested before was accurate and very quiet. Umarex goes out of their way to hype the low discharge sound. They tout the SilencAir silencer that’s on the end of the barrel. You know I will tell you how this one performs! Discharge sound is very important to many readers who want to shoot as quietly as possible for various reasons. Pyramyd Air rates the discharge at a 2 on their 5-point scale. That is a low to moderate level.


The manual and the hangtag that come with the rifle say to expect 650 f.p.s. with lead pellets and up to 700 f.p.s with alloy pellets. Naturally I will test that for you. The rifle is powered by CO2 and you have a choice of using either two 12-gram cartridges or one 88-gram cartridge. To get a shot count I will start with two 12-gram cartridges and Umarex says to expect up to 70 good shots per fill. I have 9 shots on the first two cartridges, so the test is already underway.

Where the original Fusion had adjustable power, the Fusion 2 seems not to have an adjustment.


Okay, here is my take. As long as it’s warm where you shoot, the Fusion 2 is very much like an affordable PCP repeater. It is bolt action and please don’t start redesigning it! Yes a sidelever would be nice, but if the price was $139 instead of $129 the same people who say they want that feature would bellyache over the cost increase. I will report in the future how easy or difficult the bolt is to use.

The stock is synthetic and matte black overall. The butt feels solid, so no complaints about a hollow sound. The rifle weighs just under 6 pounds. I weighed the one I am testing with two fresh 12-gram cartridges installed but no magazine and it came to 5 lbs. 13 oz.

The stock narrows just ahead of the triggerguard to make a natural place to grasp the stock when shooting offhand. The forearm is wider and squared. It has M-LOK (Modular Lock) slots for attaching accessories. M-LOK is a patented locking system invented by Magpul. It is best for polymer handguards because it places less stress on them than the KeyMod accessory attachment system.

The barrel is 18.54 inches long and the SilencAir is a 5-chambered silencer permanently affixed to it. The length of pull is 14.25 inches. The rifle’s length overall is 40.25 inches. The buttpad is thick rubber with deep horizontal grooves across it. It grips the shouder positively.


The Fusion I tested in 2013 was a single-shot. This Fusion 2 comes with two 9-shot rotary magazines. There seems to be no provision for shooting this rifle single-shot, nor can I find a single-shot adaptor. The space in the receiver where the magazine fits is very narrow and I doubt single-loading would be convenient. I am aware that clever people have designed ways of getting around this, but as of now the Fusion 2 seems only to be a 9-shot repeater.


The magazines are unique, as far as I know. They load easier than most rotary mags, but they don’t stop the bolt after the last pellet is shot. So you have to keep  track of where you are or you’ll shoot blank shots. I will tell you more about the mags in Part 2 when we look at velocity.

Fusion 2 magazine
The Fusion 2 rotary magazine is unique.


The Fusion 2 comes without open sights. But a 4X32 scope and rings are supplied, and the top of the rifle has a long Picatinny rail. I know a 4X32 isn’t much to shout about, but if we see stunning accuracy during the test I will also try the rifle with a better scope.


The stock is ambidextrous, but the safety and bolt handle are on the right side and cannot be switched. They do favor right-handed shooters.


The Umarex Fusion 2 repeater has been available for about three months and seems to be quite popular. It is out of stock when this report was published. Pyramyd shows a restock date of late September. Hopefully they will be in stock sooner than that.

33 thoughts on “Umarex Fusion 2 CO2 rifle: Part 1

  1. BB,

    Now my take.

    As strange as it may sound, despite the pistol grip section, I like the looks of it. I do not think I could redesign that stock without messing up the looks of the front or rear. I really like the looks of that silencer.

    As for the magazine, I do like the way it works, most especially compared to the prevalent “Marauder style”. I would probably have to sacrifice one of the pellet holes, plugging #9 so as to know when I am empty. Eight shots and a change out. Sounds like a Garand to me.

    Hi. My name is RidgeRunner. I am a Trigger Snob. But unlike some TS’s, I find I can enjoy certain single stage triggers if they are done right. They really should fire the dolt who designed the packaging. I can see it now: “But we have ten thousand of these boxes and if we have them reprinted correctly, it will destroy our profit margin.”

    Summary – Last sentence – “Hopefully they will be will be in stock sooner than that.”

  2. BB,

    For what it is and the price point,.. I like it. Looks like a fun plinker. Not bad on the style,… I think. 🙂 Like the vertical grip,… for one.

    What is the protrusion sticking out on the right side just above the trigger guard? I looks like maybe spare mag. storage,…. but I can’t make it out clearly enough in any pics.


  3. B.B.,
    I concur with RidgeRunner and Chris…I like the looks, the styling, of this rifle; it reminds me a bit of the Beretta Storm carbine, which I’ve always thought looks kind of neat…here’s a photo comparison of what I mean; thank you. =>
    Enjoying your reports (as always),

  4. B.B.,

    Chop Saw! Forend gone! Plenty of room for 13 or 22
    bottle, plenum, and even a regulator if you must!

    Just a MOD…no redesign needed…Lol!


  5. No redesigning eh? …Spoil sport LOL!

    (It would have to be HPA for me – Co2 doesn’t do well in out Canadian fall/winter/spring temperatures)

    Pretty good looking rifle, will be watching for the accuracy report to see what it would do.

    In view of my more recent scope purchases for long range shooting ( 50 mm and 56 mm objective lenses) I have to say that a 4×32 is refreshingly LIGHT. The 4×32 that came bundled with a Ruger break barrel now sits on my Maximus and I am very happy with the combination – it balances beautifully! Not a fancy scope but it has no trouble with chipmunks or sparrows out to 30 yards.


  6. Nice looking rifle but it doesn’t do anything that my Maximus doesn’t already do better. I’m more interested in an Artemis SR900S side lever spring air rifle that is being sold in the UK. I thought there was a website that sold Artemis in the US? Does anyone know if that website still exists?

    BB-where did you buy that Artemis pistol you reviewed?


  7. BB

    I like the looks of this rifle.

    Being a CO2 I wondered how you would test it in July Texas heat but no problem, you shoot in an air conditioned indoor range out to 25 yards. I came close to asking you and readers if they ever shot CO2 rifles at 90+ degrees Fahrenheit. Instead I did my own test at 92 degrees with a Beeman AR2078A (Crosman 160 variation). Happy to report I shot my best 10 shot group with this specific rifle, a .54 inch round group with JSB RS pellets at 25 yards on a hot but no wind day.


    • Decksniper,

      I’ve had the misfortune to shoot at +100 degrees Fahrenheit. My rifle simply locked up and refused to fire until we could cool it down.


    • Deck,

      I actually did that (shoot CO2 in the sun) on the first season of American Airgunner. My cohost, Paul Capello, couldn’t
      understand why our CO2 pistols locked up as were were filming in the summer in the mountains. I put them in the shade for an hour and they started working again.


      • BB & Siraniko

        Okay I thought point of no return was somewhere. But at what temp? I was quite surprised to get good accuracy at 92*. Does humidity have any play in this? Do they shoot accurately until they stop?

        This rifle could be a buy for folks everywhere that have summer heat. If I was the marketing guy I would want to know how hot is too hot.


  8. Hey BB,

    Got this rifle about 2 weeks ago. Here is what I have seen so far.

    1) Pretty Accurate. Getting around 1/2″ 5 shot groups at 20 yards.
    2 ) Fairly quiet, but not as quiet as I would like. My iphone decibel meter reads in the low 90’s about 3 feet in front of the muzzle.
    3) Trigger okay. Only complaint, really hard to tell when it is going to let go. Requires some practice.
    4) Only getting 1/2 of the number of shots listed. For 2 12 gram CO2 cartridges, getting about 40 good shots. For the 88 gram CO2 getting about 120 good shots.
    5) Using the magazine tends to reduce accuracy. Found one good pellet that works well with the magazine and maintains the 1/2″ accuracy at 20 yards.

    Hope your testing can shed some light on why the shot count is so low. Good gun overall and does what I need it to do. Thanks for your blog and keep up the good work.

  9. Thanks, Tom, for testing this gun. I had asked here if you would test this and maybe the Diana Trailscout too. The Diana runs on three CO2 cartridges. I look forward the the rest of this test!

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