7 Best Fully Automatic Nerf Guns (2022 Guide)

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Last updated: July 2, 2022

Fully automatic Nerf blasters are the ones with the muscles and the intimidating looks, designed to not only win battles but also have loads of fun with.

Nerf machine guns are not always the most practical blasters, and they also need batteries to operate, but as a Nerf fan, you’re going to need at least one of those flywheel-powered blasters with an acceleration trigger in your arsenal.

In this article, I am going to share with you the seven best fully automatic Nerf guns you can buy today.

Top Pick
Nerf Rival Nemesis MXVII-10K, Red...
Second Choice
Prometheus MXVIII-20k Nerf Rival Toy...
Rival Series
Rival Series
100 High-Impact Rounds
200 High-Impact Rounds
Top Pick
Nerf Rival Nemesis MXVII-10K, Red...
Rival Series
100 High-Impact Rounds
Second Choice
Prometheus MXVIII-20k Nerf Rival Toy...
Rival Series
200 High-Impact Rounds

Top 7 Full-Auto Nerf Guns:

Full-Auto Nerf Gun Price
1 Nerf Rival Nemesis MXVII-10K Price
2 Nerf Rival Prometheus MXVIII-20K Price
3 Nerf Ultra Select Price
4 Nerf N-Strike Mega Mastodon Price
5 Nerf Rival Perses MXIX-5000 Price
6 Nerf N-Strike Elite Titan CS-50 Price
7 Nerf N-Strike Elite Infinus Price

What Is a Fully Automatic Nerf Gun?

Also referred to as motorized or machine Nerf guns, fully automatic Nerf guns are battery-powered blasters that can continuously fire ammo by simply holding down the trigger.

The internal system, a flywheel, powered by batteries, takes care of the actual firing, as long as you keep the trigger pressed.

The flywheel needs to be engaged before you can start firing, which typically happens with a separate acceleration trigger or a simple on/off button.

As you can imagine, the performance of a full-auto Nerf gun relies heavily on the efficiency of that internal flywheel system.

Rounds per Second

One way to judge how well a full-auto Nerf blaster performs is by looking at how many rounds it can fire in one second. And Nerf has come a long way in that regard.

Back in the day, if a blaster could hit 2 or 3 darts per second, that would be phenomenal. These days though, expectations are a lot higher, and that’s mostly due to the Rival series.

If you’ve read my list of best Nerf Rival guns, you will know that blasters in that series are all about performance.

The Rival Nemesis, for example, can fire 5 rounds per second, and the Rival Prometheus tops that with a staggering 8 rounds per second. Wow!

Firing Capacity

Okay, so if these blasters can fire so quickly, don’t you run out of ammo just as fast?

Yes, and that leads to another criterion you should pay attention to when buying a new fully automatic Nerf gun: the firing capacity.

You will find that most full-auto Nerf blasters come with a large magazine. This is essential because otherwise you’d be finished shooting in a matter of seconds.

But there is a massive difference between a capacity of 20 rounds and a capacity of 200 rounds. The Prometheus, for example, holds 200 High-Impact rounds, which is awesome. But with 8 rounds per second, that is almost a necessity.

The Nemesis holds 100 rounds, which is also very generous, and will keep you firing for a minute or so before you need to re-load.

Batteries

The biggest drawback of Nerf machine guns is that they need batteries. And not just that, they typically use a lot of battery power.

That’s why it’s important to not only check how many batteries they need, but to also make sure you get high-quality batteries that can last for a long time.

It’s also good to point out that the Prometheus, for example, comes with a rechargeable battery, which is not only lighter than a set of regular batteries, but it’s also much more efficient.

What About Semi Automatic?

Note that there is also such a thing as semi-automatic Nerf guns, and they are very different from full-auto blasters.

A semi-automatic Nerf gun can only fire once when pulling the trigger. It doesn’t keep firing like fully automatic blasters do.

Top 7 Full-Auto Nerf Guns

Here we go, my favorite seven fully automatic Nerf machine guns. Blasters that are robust, intimidating, powerful, and a lot of fun to play battles with.

1. Nerf Rival Nemesis MXVII-10K

Nerf Rival Nemesis MXVII-10K

Let’s kick off with the Nerf Rival Nemesis, which also tops my list of best Nerf guns ever made. Like so many other Nerfers out there, I am a huge fan of the Nemesis for a variety of reasons.

The Nemesis was first released in 2017 and at the time it was quite a revolutionary Nerf blaster. With incredible performance, huge magazine, fully automatic, and great ergonomics, the Nemesis quickly established itself as a fan favorite.

The most awesome thing about the Nemesis is its magazine which isn’t a normal Nerf magazine. It’s a hopper system that allows you to quickly throw in the Rival High-Impact Rounds and the hopper will push the rounds to the front of the blaster, ready to be fired.

Operating the Nemesis is quite a unique experience, and I have yet to meet a Nerf enthusiast that doesn’t like this blaster. The Nemesis sits comfortably in the arms, and with such a large magazine and great performance, it’s still the best full-auto Nerf gun in my books.

Check on Amazon

Nerf Rival Nemesis MXVII-10K
Year: 2017
Series: Rival
Ammunition: High-Impact Rounds
Firing capacity: 100
Batteries: 6 D-batteries

2. Nerf Rival Prometheus MXVIII-20K

Nerf Rival Prometheus MXVIII-20K

The Prometheus is another Rival blaster that quite literally outperforms any other Nerf blaster out there. The Prometheus is slightly over-the-top, but it’s so much fun. It’s also a blaster that isn’t for everyone.

Just like the Nemesis, the Prometheus has a hopper-style magazine that is both convenient and efficient. But if you thought the Nemesis had a high firing capacity, the Prometheus doubles down on that with a capacity of 200 High-Impact rounds.

It also outperforms the Nemesis when it comes to rounds per second. With a fully loaded magazine, the Prometheus can achieve 8 rounds per second, which is just incredible.

As you can tell, the Prometheus needs to be held with both arms at the hip, which is different from other Nerf blasters. This is actually quite ergonomic though, especially because this fully automatic blaster isn’t all that heavy.

Check on Amazon

Nerf Rival Prometheus MXVIII-20K
Year: 2018
Series: Rival
Ammunition: High-Impact Rounds
Firing capacity: 200
Batteries: Rechargeable battery

3. Nerf Ultra Select

Nerf Ultra Select

The relatively new Nerf Select is a fully automatic, flywheel-powered, magazine-fed blaster in the Ultra Series. While the Ultra series hasn’t been the most successful so far, the Ultra Select is one of the better blasters in that range.

Ultra blasters shoot with Ultra darts, but the Nerf Ultra Select comes with 10 Ultra darts and 10 AccuStrike Ultra darts. The newer AccuStrike Ultra darts are designed to be more accurate than the original Ultra darts. In regards to performance, the firing velocity and distance with the Ultra Select are pretty reasonable, although not outstanding by any means.

The biggest drawback of the Ultra Select is the small firing capacity of only 10 darts (per clip), especially compared to the Nemesis and the Prometheus. The Select does come with two sets of magazines and darts though, and both magazines are attached to the blaster at the same time. Loading the magazines, and switching between them while in use, is an easy process.

Check on Amazon

Nerf Ultra Select
Year: 2021
Series: Ultra
Ammunition: Ultra Darts
Firing capacity: 10
Batteries: 6 C-batteries

4. Nerf N-Strike Mega Mastodon

Nerf N-Strike Mega Mastodon

The N-Strike Mega Mastodon is a fully automatic, flywheel-powered blaster that comes with an integrated dart drum that can hold 24 darts. This blaster is one of the largest Nerf guns ever made, and for that reason alone it deserves to be part of your collection.

The Mastodon requires six D-batteries to operate, and those batteries do make this weapon noticeably heavier. The firing capacity of 24 darts is generous but not as generous as some of the other fully automatic Nerf guns on this list. That said, the Mastodon is one of the best performing Mega blasters and is just heaps of fun to shoot with.

As you can tell from the picture above, you need to hold the Mastodon at the hip via the handle at the top, which kind of adds to the fun factor. Overall, the Mastodon is a fantastic blaster that performs well and looks great.

Check on Amazon

Nerf N-Strike Mega Mastodon
Year: 2016
Series: Mega
Ammunition: Mega Darts
Firing capacity: 24
Batteries: 6 D-batteries

5. Nerf Rival Perses MXIX-5000

Nerf Rival Perses MXIX-5000

The third Rival blaster in this list is the Perses, a compact flywheel and conveyor blaster with a firing capacity of 50 High Impact rounds. The Perses also comes with a convenient hopper system, which works very well, without any jams or malfunctions.

The Perses has a compact, comfortable and lightweight design, which is refreshing compared to the Nemesis and the Prometheus. It also performs really well, with a smooth and fast firing mechanism.

Like other blasters in the Rival series, the technical setup of the Perses includes a primary trigger, a trigger lock, and an acceleration trigger. That, combined with the hopper, results in a very decent rate of fire and firing velocity.

If you’re looking for a high-performing fully automatic Nerf blaster that isn’t as bulky as some of the other ones, the Perses is an excellent choice.

Check on Amazon

Nerf Rival Perses MXIX-5000
Year: 2019
Series: Rival
Ammunition: High-Impact Rounds
Firing capacity: 50
Batteries: Rechargeable battery

6. Nerf N-Strike Elite Titan CS-50

Nerf N-Strike Elite Titan CS-50

We’re now heading into N-Strike Elite territory. The N-Strike Elite series is still a fantastic range of blasters, despite the rise of other popular series in recent years.

The Nerf N-Strike Elite Titan CS-50 is an absolute beast of a machine that deserves a spot on this list of best fully automatic Nerf guns, in my humble opinion.

The Titan CS-50 is a very large blaster, similar to the Prometheus I’ve included above. With 50 darts, the CS-50 has a lower firing capacity than the Prometheus, but it is actually the biggest non-hopper Nerf magazine in existence.

You will need 4 D-type batteries to be able to operate the Titan CS-50. These batteries can be inserted at the back which creates a good weight balance. Another cool part of the Titan CS-50 is the super long barrel that rotates when firing.

Check on Amazon

Nerf N-Strike Elite Titan CS-50
Year: 2019
Series: N-Strike Elite
Ammunition: Elite Darts
Firing capacity: 50
Batteries: 4 D-batteries

7. Nerf N-Strike Elite Infinus

Nerf N-Strike Elite Infinus

The last model in this list is another N-Strike Elite blaster. Released in 2018, the Infinus is an excellent-looking machine gun that comes with a generous 30-dart drum.

What makes the N-Strike Elite Infinus stand out is the funnel on top of the blaster where you can load darts without having to remove and re-load the actual drum. You can do all this while operating the blaster, which makes it a cool feature.

Also note that you can replace the 30-dart magazine with any other N-Strike Elite magazine if you prefer. The Infinus requires 4 D-batteries to operate, and you need to install them in the stock at the back of the blaster.

Overall, the N-Strike Elite Infinus is a super robust, high-quality, ergonomic blaster that performs well. If you’re looking for a fully automatic Nerf gun that isn’t Rival, the Infinus is a great choice that won’t disappoint you.

Check on Amazon

Nerf N-Strike Elite Infinus
Year: 2018
Series: Rival
Ammunition: Elite Darts
Firing capacity: 30
Batteries: 4 D-batteries

Final Thoughts

There you have it, my favorite fully automatic Nerf guns you can buy today.

We all know that these types of lists are always a bit subjective, as everyone has different opinions, which is totally fine. But I do think most of you would agree with the above top seven.

If not, do let me know which ones are your favorites, and I’ll happily share my thoughts and I may even include them on this list.

 
Thomas Dunnett

I'm a huge fan of Nerf blasters, home laser tag, and other real-life action games that keep us active, social and young at heart.

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