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The Air Venturi Avenge-X Tactical Bottle 5.5mm, also known as the Nova Vista Avenge-X X1-BT 5.5mm. The Tactical Bottle version of Air Venturi / Nova’s regulated Avenge-X PCP air rifle range. Powerful, consistent and modular for customization.

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The Air Venturi Avenge-X Tactical Bottle 5.5mm, also known as the Nova Vista Avenge-X X1-BT 5.5mm. The Tactical Bottle version of Air Venturi / Nova’s regulated Avenge-X PCP air rifle range.

As we know, the Avenge-X platform is available in a huge variety of configurations and options. There’s multiple calibres, tank or bottle HPA sources, Bullpup and “regular” versions, not to mention the choices of stocks. The modular design allows the gun to change to 3 different calibres, as well as 8 different stocks. Furthermore, you can swap some of the parts with AR accessories. So, if you swap around stocks, air reservoirs, accessories, etc., you can get more than 80 different combinations, according to Nova Vista.

The Avenge-X is available in three calibres. No surprises here, they’re .177 cal, .22 and .25. *

Apart from multiple configurations, you also get extensive tuning capabilities, courtesy of adjustable hammer spring tension, regulator pressure and transfer port adjustment. Easily change the calibre through a simple barrel and bolt swap. You can also change the cocking lever from right- to left-handed operation easily.

Easily fill these rifles using a standard quick disconnect fitting. In addition, all pressure gauges are located in the side or base of the gun. There’s no need to “look down the barrel” to check air pressure, as there is with many end-mounted pressure gauges. Of course, there’s a side lever action, multi-shot magazine capability and a shrouded barrel. You get a high shot count, a high-capacity magazine, a standard magazine, as well as a single-shot tray.

All this at a VERY attractive price. Whatever you can imagine, is obviously possible with the Avenge-X.


Manufacturer: Air Venturi or Nova Vista?

The new Air Venturi Avenge-X PCP air rifle was one of the highlights of the 2023 SHOT Show. So the fact that this outstanding modular-designed airgun also featured at the 2023 IWA OutdoorClassics Show was – in itself – not new news. However, according to Hard Air Magazine, what was most interesting for them was to meet the manufacturing company behind the Avenge-X at the German show.

In fact, the Air Venturi Avenge-X PCP air rifle is a product collaboration between Air Venturi in the USA and Macau-based Nova Vista Company Limited. This is unusual as they rarely acknowledge such collaborations in the industry. Normally the lines between the customer – Air Venturi – and the manufacturer – Nova Vista – are kept separate from public gaze.

Nova Vista also makes the Avenger for Air Venturi. They call it a Leviathan under the Nova Vista brand and also the Origin under the Umarex brand.

So, to spare consumers the confusion, the Air Venturi Avenge-X and Nova Vista Avenge-X are both made by Nova Vista. They are the same rifles with slight differences to some models branded by Nova Vista for Air Venturi (like carbon bottles.)



Calibre: 5.5 mm (.22 cal)
Velocity: Externally Adjustable, up to over 1000fps
Energy: Externally Adjustable, up to around 50 ft.lbs ( according to Manufacturer)
Regulated: Yes, Externally Adjustable stainless steel regulator (up to 3000 psi)
Magazine: 1 x 16-Shot High Capacity Magazine, 1 x 10-Shot Standard Capacity Magazine, Single Shot Tray
Manometers: Dual, Reg Pressure and Fill Pressure
Air Capacity: 360cc Aluminium Bottle
Fill Pressure: 250 BAR / 3560 psi
Barrel: Rifled Steel, Shrouded with 1/2×20 threads for moderator
Stock: Synthetic Black Tactical, extendable
Buttpad: Rubber
Overall Length: 102.9cm to 111.13cm / 40.5″ to 43.75″
Barrel Length: 58cm / 22.8″
Average Weight: 3.3kg / 7.3lbs
Optics Rail: Picatinny
Accessories Rail: Picatinny rail on fore-end
Cocking: Biathlon Side Lever, Ambidextrous (Reversible for left or right hand)
Trigger: Adjustable 2-stage
Safety: Manual
Air Venturi Model: Avenge-X Tactical Bottle
Nova Vista Model: Avenge-X (X1-BT)


Manufacturer’s Website


* Note – Only 4.5mm and 5.5mm (.177 and .22 calibre) are sold in our shop. Images for illustrative purposes only. Specifications supplied by Manufacturer / Importer.


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  1. johanmynhardt (verified owner)

    I don’t have previous experience with other PCP rifles, and did a whole bunch of homework before settling on this beauty.
    It’s a big upfront investment, but any remaining qualms were promptly put to rest.

    It’s extremely precise with factory settings and I have not attempted any tuning; I’m still working my way up on distance.
    The first test weekend I had access to a 400m rifle range and we (me and my brother) plinked on a 12cm disk and 20cm x 60cm plate.
    We worked our way up from 50m up to 200m, in 50m increments. The 12cm disk was consistently plinkable up to 100m and a challenge further on. The steel plate was plinkable up to 150m and for kicks we attempted 200m. It was achievable, but required trial and error to figure out the required holdover. I knew that it’s out of the general range and should rather be attempted with slugs, but that’s for future experimentation; there is not much knowledge on Avenge-X and slugs out there yet, I’ll let others brave that research.
    Currently I’m sticking with the recommended JSB Jumbo Exact Heavy .22 18.13gr ammo, and I really have no reason to try anything else.

    The weight distribution is well-balanced.

    I only have two gripes which make the setup feel a bit cheap, but it can be fixed with some DIY TLC!
    1) The grip was a bit loose or wiggly, but masking tape on the inside between the grip and frame improved the tolerance, it’s solid now!
    2) The other issue is also wiggliness of the telescopic buttstock. But again, some layers of strategically placed masking tape reduced the tolerance. I’m still thinking of ways to improve this.

    All-in-all I am really happy!

    Complete setup:
    Air Venturi Avenge-X .22 Tactical (bottle)
    JSB Jumbo Exact Heavy .22 18.13gr
    Element Optics Helix 4-16 FFP APR 2D MRAD

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