Harnessing the Hellion

By Jeremy Tremp
Posted in #Guns
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the Hellion

March 10th, 2023

4:03 runtime

For me, when you’ve got a rifle as interesting as the Hellion from Springfield Armory, you can’t help but to think about all the awesome parts you could add to it. Selecting the right Hellion accessories can transform this gun from cool, to incredibly awesome.

hellion accessories
Equipped with an astounding array of features, the Hellion is ready to go as it is sold. However, the author shares a number of accessories he selected to improve the gun for his needs.

When I first got my Hellion, I set it up with a few different optics such as an EOTech, Aimpoint and an LPVO (low-powered variable optic). I suppressed it. I added lights. Throughout all these different iterations, I think I’ve finally landed on my permanent set-up for the Hellion. I want to go over how I kitted out my gun, and maybe give you some ideas for tricking out your own rifle.

Origin Story

Taking a step back, if you are unfamiliar with the Springfield Armory Hellion, it’s a bullpup rifle chambered for the 5.56 NATO round. It is based on the internationally proven Croatian HS Produkt VHS-2, but it is far more than a mere semi-auto import of the battle-proven rifle.

kitted out hellion
Shown above is the author’s Hellion with a BCM vertical grip, Vortex LPVO scope and more. How will you set yours up?

Development of the VHS took place over decades, with thorough testing at each stage. In the 2000s, the Croatian military deployed the rifles to Afghanistan in support of the International Security Assistance Force (ISAF). Croatia’s experiences with the rifle were positive, and they made follow-up orders. Currently, HS Produkt has a contract to deliver a large number of rifles to the Croatian army.

shooting the hellion with the accessories
As equipped, the BCM grip allows the author improved control over the rifle while also perfectly placing his hand to activate the remote switch for the mounted Surefire light.

In addition to the rifle’s durability in the field, it has many forward-thinking features. And the Springfield Armory Hellion takes the VHS a step further, adding many features we Americans are used to and prefer such as STANAG magazine usage, M-Lok on the fore end, interchangeable AR-pattern pistol and more.

My Choices

Now let’s get to my build out. Starting at the front, I decided to stick with the factory muzzle device on the Hellion. It’s a three-prong flash hider that does a fantastic job of reducing flash — and also looks great!

bcm forward grip
The BCM Vertical Grip Mod 3 allows you to control muzzle rise. The texture ensures you can hold onto it in all weather conditions.

On some of my other builds I used a suppressor, but I enjoy keeping the Hellion as short as possible, which is after all one of the bullpup design’s greatest benefits. If you’re interested in suppressors, the rifle is a great suppressor host since it has an adjustable gas system that allows you to tune it for your ammo and suppressor combination. You can tune the gas down so that you get reduced blowback from the back pressure.

Moving rearward, I added a BCM Vertical Grip Mod 3 to the M-Lok handguard to create a natural resting point for my support hand. This is a great way to quickly index your firearm and create pressure into your shoulder to control recoil better. The Mod 3 grip is low profile enough to be more of a hand stop and less of a foregrip. It allows a generous surface to stack a few fingers with ease. It also allows you to find it more quickly with your support hand.

surefire mounted on the hellion
The Surefire Scout Light Pro is mounted on the right side of the rifle. Mounting can be reversed for left-handed shooters.

On the handguard, I also added a Surefire Scout Light Pro to the right side, feeding the pressure switch through the M-Lok to the left side. This allows me to actuate the light with my support hand thumb on a pressure switch.

light switch on hellion bullpup
The M-Lok attachment points allowed the author to connect a remote switch and manage the cable for the Surefire light.

The Scout Light Pro provides 1,000 lumens of white light, which allows you to easily discern targets at medium ranges. Another great aspect of the Scout Light Pro is the mount, which allows you to position the light at any angle you want. This is great for space savings and keeping the light as close to the handguard as possible.


Now, let’s touch on my preferred optic set-up. The Hellion has a very short overall length for a rifle, while also retaining a 16” barrel. This is one of the most notable benefits of the bullpup design. This allows great close quarter maneuverability, as well as also good accuracy and power when shooting out to medium to long ranges. Taking advantage of the best of both worlds, I utilized a Vortex Viper PST Gen2 1-6X LPVO with an offset Vortex Venom red dot at 45 degrees.

vortex viper mounted on a springfield hellion
The author picked a Vortex Viper LPVO for the main sighting system on the Hellion. The Hellion ships with iron sights and can also run a red dot sight.

The Vortex Viper PST 1-6X is a tried-and-true staple in the LPVO world. It’s rugged, crystal clear, lightweight and easy to use. The zoom is super smooth, and the clarity throughout the range is stellar. As much as a 1-10X seems nice, they also have drawbacks. For me and this build, 6X max power seemed perfect.

To mount the LPVO, I used an American Defense Manufacturing Recon SL mount. I then used a Strike Industries Ambush 45 degree offset mount to attach the Venom red dot to the rail. This provides me with the option to utilize up to 6X power as well as a super quick offset 1X red dot with a large window on the fly.

vortex venom mounted on hellion
For close work, the author added a Votex Venom red dot sight on a 45˚ mount. This allows him to transition between ranges very quickly.

On the range, this set-up is a ton of fun to shoot. It takes a bit of getting used to when flipping the rifle 45 degrees to use the 1X red dot, but after a while it’s a quick reflex skill. The LPVO is super stable thanks to the Recon SL mount, keeping it low enough for me to get a solid cheekweld. This combo is super effective at both close and distance shooting.

Final Thoughts

All in all, the Hellion is one of my favorite rifles to shoot. The recoil impulse feels softer than what you would expect from a 5.56 carbine. The rifle is balanced really well, especially when adding a suppressor to the front end.

The biggest difference with the Hellion is the manual of arms compared to an AR-15. For me, it’s quite fun since it forces you to learn new muscle memory and it makes what may be a stale range session much more interesting.

If you’ve been on the fence about the Hellion, see if you can check one out at a local gun shop; it’s a unique shooting experience, and the rifle is always sure to turn heads at the range.

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Springfield Armory® recommends you seek qualified and competent training from a certified instructor prior to handling any firearm and be sure to read your owner’s manual. These articles and videos are considered to be suggestions and not recommendations from Springfield Armory. The views and opinions expressed on this website are those of the authors and do not necessarily reflect the views and opinions of Springfield Armory.

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Jeremy Tremp

Jeremy Tremp

Jeremy Tremp is a filmmaker/photographer who turned his passion for the firearms industry into a dream job. Having identified a need in the 2A space, he and some like-minded friends started Offensive Marketing Group to help bring their unique skillsets to an industry in dire need of "outside of the box" marketing approaches. One of the perks is getting access to some of the best gear and training in the industry. In his spare time, he loves to be at the range testing gear and learning to be a better shooter, firearms advocate and content creator.

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