HomeNewsTFB Evaluation: Springfield Armory Hellion 20-inch (Half 1) - Receive US

TFB Evaluation: Springfield Armory Hellion 20-inch (Half 1) – Receive US

Springfield Armory’s Hellion made an enormous splash when it launched final yr. This import-friendly HS Produkt VHS-2 is a superb addition to the world of bullpup army rifles. Along with the usual 16-inch weapons, Springfield now provides 18- and 20-inch fashions. They kindly despatched me a pre-release Hellion 20-inch mannequin for evaluate.

Springfield Armory @ TFB:

Disclosures are necessary in any evaluate in order that the viewers is aware of the total story. I reviewed the Hellion in 2022 and acquired it as a substitute of sending it again. I don’t have a lot of a relationship with Springfield outdoors of that evaluate. Springfield supplied the gun, TFB lined the ammo invoice.

This can be a evaluate in two elements. Half 1 is a primary overview of this new mannequin. Half 2 will probably be extra in-depth with the advantage of extra time with the gun, and having the ability to shoot it on ranges the place individuals can see it.

What’s it?

The Springfield Armory Hellion is the US-import model of the HS Produkt VHS-2. I beforehand reviewed the 16-inch mannequin again when it was launched, and for essentially the most half that was a optimistic expertise. It’s a dependable bullpup that works properly each suppressed and unsuppressed. 

My essential complaints have been associated to the management structure. The security is counterintuitive and there actually ought to be an exterior bolt maintain open lever. As it’s, it requires an empty journal or fishing round contained in the journal properly to lock the gun open.

Regardless of these hiccups, I nonetheless suppose the Hellion is my favourite 5.56 bullpup. It’s extra correct than the Tavor and has a good set off when judged in opposition to its friends. The suppressor fuel setting can be fairly efficient and helps the gun run about prefer it does when unsuppressed.

So what units this new mannequin aside? The one actual distinction with the 16″ Hellion is the barrel. The entire controls, the set off, and the guide of arms are the identical. Other than 4 further inches of barrel, this new mannequin is finned for cooling. There may be additionally a distinguished bayonet lug on the barrel. After all, I dug out my previous M7 bayonet to see if it could match. It didn’t. Nevertheless, my SilencerCo Omega 300 with the Griffin Armament A2 mount did connect to the flash hider as it could on an ordinary A2 mannequin.

The Griffin Armament A2 adapter matches on the usual Hellion flash hider.

Velocity Testing

Among the best issues a couple of bullpup is the shorter total size whereas sustaining an extended barrel. The 20-inch tube on this Hellion is an ideal instance. Regardless of having as a lot barrel as a full-length M-16, it’s in regards to the size of a 16″ carbine. 

TFB Review: Springfield Armory Hellion 20-inch (Part 1)

These rifles each have 20-inch barrels.

The .223 Remington and 5.56 NATO ammo each rely upon velocity for effectiveness. The frequent rule of thumb states that 55-grain 5.56 FMJ bullets will fragment at affect velocities someplace between  2700 to 2600 FPS. That is usually extrapolated to 200 yards for a 20″ gun and 150 yards for a 16″ gun. Which may be an oversimplification, however extra velocity is all the time a superb factor. On high of the fragmentation advantages, added velocity reduces drop and wind deflection.

So what sort of velocity numbers can the Hellion 20-inch put up? Listed below are a couple of hundreds that I examined. I used a MagnetoSpeed Sporter chrono to collect the information. It will not mount accurately on the barrel because of its slim profile, so I added a SilencerCo Omega 300 silencer and mounted the chronograph to it. Suppressors have a tendency so as to add a couple of FPS so these numbers could also be a little bit greater than can be recorded with out one.

Velocity Numbers:

  • Winchester Valor M193 55-grain 5.56 NATO – 3321 FPS
  • PMC X-Tac M193 55-grain 5.56 NATO – 3134 FPS 
  • PMC 55-grain FMJ .223 Remington – 2977 FPS

As we are able to see, these are some superb numbers.

TFB Review: Springfield Armory Hellion 20-inch (Part 1)


TFB Review: Springfield Armory Hellion 20-inch (Part 1)

The Leupold Mk5HD 2-10×30 matches properly on the rail.

Journal Compatibility

Journal compatibility is all the time a query when a gun makes use of an ordinary journal however departs from an ordinary design. On the Hellion, the journal properly is polymer and the gun has nearly nothing in frequent with an AR, so it was value trying out a spread of choices. A Magpul PMAG Gen M3 is included with the rifle so that may be a protected wager for compatibility. I examined the next magazines which all fed, locked the bolt open, and dropped free:

  • Magpul PMAG M3 20, 40
  • Duramag aluminum 20, 30
  • Duramag metal 30
  • Lancer 10, 30
  • Okay Surefeed E2 30
  • E-Lander Metal 30
  • Hera H3 30
  • Fab Protection Ultimag 30
TFB Review: Springfield Armory Hellion 20-inch (Part 1)

The Lead & Steel Promethean LP-1 provides off Halo battle rifle vibes.


TFB Review: Springfield Armory Hellion 20-inch (Part 1)

Duramag’s olive drab journal appears excellent within the gun.



I solely have about 200 rounds on the Hellion 20-inch, so this can be a preliminary take quite than an in-depth evaluation. Each .223 and 5.56 ammo cycle 100%. There have been a couple of situations with .223 ammo when the bolt didn’t lock to the rear, however I noticed that I had left the fuel system on the “Suppressed” setting after eradicating the silencer. So the gun will nonetheless run should you overlook to modify the fuel setting, but it surely won’t lock again.

TFB Evaluation: Springfield Armory Hellion 20-inch (Half 1) - Receive US Obtain US

I did some accuracy work however was working with a less-than-optimal setup. A couple of teams with a couple of varieties of ammo averaged someplace between 2-2.5 MOA. That isn’t practically the total story although, so keep tuned for a really detailed examination of this subject in Half 2.


On the conclusion of Half 1, we all know that the Hellion 20-inch builds on a stable basis and places up some spectacular velocities. Half 2 will cowl accuracy testing, optic choice, and different attention-grabbing rabbit holes. Hold a watch out for Half 2 when it drops, and be at liberty to drop a remark with belongings you suppose I ought to take a look at.

TFB Evaluation: Springfield Armory Hellion 20-inch (Half 1) - Receive US Obtain US

TFB Evaluation: Springfield Armory Hellion 20-inch (Half 1) - Receive US Obtain US

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