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'Suppressors Shootout: 4 New .22LR Cans Tested'

'Suppressors Shootout: 4 New .22LR Cans Tested'
From left, EliteIron's Echo Lite, Dead Air Armament's Mask, Gemtech's GM-22 and SilencerCo's Sparrow. (Photo by Josh Walton)

We tested accuracy, decibel level and POI change of four popular .22LR suppressors and ran them head-to-head — same rifle, same sound equipment, same ammunition.

By Josh Watson

With so many options on the market, how do you decide which suppressor is right for you?

Let's be honest, this is a major purchase. Between the cost of the suppressor, the cost of the National Firearms Act (NFA) stamp and the waiting period, you have a lot invested in a suppressor by the time you actually take possession.

There are many factors incorporated into a quality suppressor: accuracy, point of impact (POI) shift, decibel reduction, weight, length, mater€‹ials used and so on.

The last thing you want is the excitement of your long-anticipated purchase to be destroyed on the first range trip because it won't group, isn't quiet, won't allow the gun to cycle, or anything else on the list of things that can ruin an experience.

There are many factors incorporated into a quality suppressor. It can be overwhelming: accuracy, point of impact (POI) shift, decibel reduction, weight, length, mater€‹ials used and so on. And you can't take them on a test drive. I selected four of the most popular .22LR cans and ran them head-to-head — same rifle, same sound equipment, same ammunition.

Test Candidates and Methods

The four suppressors in the lineup were the Gemtech GM-22, EliteIron Echo Lite 22LR, Dead Air Armament Mask and SilencerCo Sparrow 22. I conducted three five-shot groups with each can. The rifle without a suppressor averaged 134.6 decibels (dB). Then I shot three five-shot groups suppressed for all of the cans tested.

All of the suppressors were direct-thread attachment. To see if there was any variance when taking them off and putting them back on, all suppressors were completely removed and threaded back on between groups two and three. When taking the suppressor off between the second and third groups, I was careful to start threading on the suppressor with it indexed in a different position. The idea was to determine how much impact shift, if any, we can expect when switching from suppressed to unsuppressed, or if we need to sight in the gun again if the suppressor is removed for cleaning or another purpose.

Sound testing was conducted utilizing Larson Davis sound equipment, which was calibrated prior to testing. The weather was 74 degrees and sunny with 57 percent humidity. Testing was done with the microphone next to the shooter's ear because that is how it affects the majority of shooters. And ensuring the end user has a clear picture of the bang he is getting for his (or her) buck is, after all, the end goal of this report.

From left, EliteIron's Echo Lite, Dead Air Armament's Mask, Gemtech's GM-22 and SilencerCo's Sparrow. (Photo by Sean Utley)

Gemtech GM-22

The Gemtech GM-22 was the first suppressor I tested. Taking it out of the box, I found that the GM-22 was significantly lighter than the other three, coming in at only 2 1/2 ounces. It is constructed of 7075 aluminum with a titanium-thread insert, is 5 inches long with a 1-inch diameter, and is finished with a matte-black Cerakote.

The GM-22 is rated for multiple calibers — .22LR, .22 WMR and .17 HMR — and automatic fire in .22LR. Gemtech notes that it is not rated for .17 WSM. Included in the box were a well-constructed, coyote-colored pouch with MOLLE attachment and a disassembly tool. The GM-22 was a nicely finished product on the outside.

Gemtech GM-22 Specs
Materials7075 aluminum
Cartridge.22LR, .22 WMR, .17 HMR
Overall Length5 in.
Diameter1 in.
Weight2.5 oz.
Noise Reduction122.4 dB
Attachment TypeThread on
FinishMatte-black Cerakote

Groups open to a 2.11-inch average, with a best of 2.02 inches. The point of impact shifted by an average of 5.51 inches. On the third group, after taking the suppressor off and putting it back on, I got a point-of-impact shift of 8.3 inches. If you wanted to use this suppressor, it would have to be on a designated firearm, and then you'd have to find an ammo it liked. The combination would have to be taken to the range and re-€‹zeroed every time the suppressor was removed for cleaning as well.

The GM-22 held its own in the area of sound suppression. The average decibel level from the five-shot group with the GM-22 was 122.4 dB. That's a 12.2 dB reduction at the shooter's ear from the unsuppressed firearm, placing it at a respectable third amongst the suppressors tested. It fell short of second place (SilencerCo) by just .04 dB. Gemtech's GM-22 also gets honorable mention after coming in with the lowest decibel level recorded, a whispering 117.9. To put that in perspective, the gun averaged 118.64 dB when we simply cycled the action by hand.

EliteIron Echo Lite

Next, I went to the EliteIron Echo Lite. This was my favorite design. The great thing about .22LR suppressors is that they come apart so you can clean them; the worst thing about .22LR suppressors is if they come apart when you try to take them off the firearm.

EliteIron figured out a simple but brilliant solution to this nuisance by making the end of the suppressor that attaches to the firearm sealed — it doesn't come off. To disassemble the Echo Lite, you simply unscrew the removable end cap and hook the guts with a J-shaped tool to pull them out.

The Echo Lite is 6 inches long, has a 1-inch diameter and tips the scales as the heavyweight of the four at 10 ounces, which still isn't going to break your back or require Popeye's forearms to manipulate. It is constructed of all stainless steel with a subtle matte finish. Included with the suppressor is a takedown tool for disassembly. EliteIron states that the Echo is rated for automatic fire in .22LR and is sturdy enough for semiautomatic fire in both .22LR and .22 Mag.

EliteIron Echo Lite Specs

MaterialsStainless steel
Cartridge.22LR, .22 Mag.
Overall Length6 in.
Diameter1 in.
Weight10 oz.
Noise Reduction124.1 dB
Attachment TypeThread on

The Echo only slightly opened up groups on the Ruger from .83 inch naked to an average of 1.32 inches with the suppressor on. It produced a best group of 1.12 inches. I was also pleased to discover that there was absolutely no shift in point of aim/impact going from unsuppressed to suppressed. This is an important issue for me. I don't like having to make sight adjustments or to re-zero a firearm. Having the ability to remove the suppressor and reinstall it without having to make a special trip to the range to sight it back in is a critical factor.

While accuracy and impact shift proved great with the EliteIron Echo, it finished last in sound suppression, though not by a landslide. The EliteIron Echo's average for a five-shot group was 124.1 dB. This is only a 1.7-dB increase from the GM-22; the noise and tone were still quiet and far from uncomfortable. The noise reduction trade-off, in my opinion, is certainly worth the gain in terms of accuracy and aim/impact shift.

Dead Air Armament Mask

Third in the lineup for noise reduction was the Dead Air Armament Mask. In terms of finish, this was the best-looking suppressor of the group. The Cerakoted matte-black body is 5.1 inches long and 1.07 inches in diameter. It weighs 6.6 ounces and comes with a disassembly tool. The body of the suppressor has louvers two-thirds of the way down, running the length of the suppressor, which adds a nice visual appeal and breaks up the cylindrical monotony of the standard look. The body of the Mask is constructed from a blend of titanium and 17-4 PH stainless steel. The Mask can be used with .17 to .22LR and 5.7x28mm.

The Mask was also the easiest to take apart and put back together. You simply unscrew the ends, push out the guts and they spill out on the table in front of you. Getting things apart is easy; it's putting them back together correctly that is the trick, right? Well, Dead Air thought of that, too. Dead Air's instructions were clear, and all the parts inside are notched, male/female, to avoid any mishaps.

The only mistake I could foresee is that it is possible to attempt to put the baffles, as an assembled unit, in backward. But I tried that, and the Mask won't go together that way. The end caps don't line up, the spacing is off, and anyone with the slightest mechanical inclination should know something isn't right.

Dead Air Armament Mask Specs

MaterialsTitanium, 17-4 PH stainless steel
Cartridge.17 — .22LR, 5.7x28mm
Overall Length5.1 in.
Diameter1.07 in.
Weight6.6 oz.
Noise Reduction121.7 dB
Attachment TypeThread on
ManufacturerDead Air Armament/

My only suggestion is to include a diagram labeling the parts of the suppressor — and this goes for all manufacturers, not just Dead Air. As I mentioned earlier, .22LR suppressors are often an introduction to suppressors, and I learned as an instructor a long time ago that crystal-clear instructions are not helpful if your audience doesn't have the vocabulary to keep up.

During the testing phase, the Mask marked a milestone where all the stars began to align and things got exciting. Up to this point, I had one suppressor that excelled at sound suppression but struggled with accuracy and POI shift, and one suppressor that had good accuracy but wasn't quite as good at decibel reduction.

The Mask proved to be a triple threat, with increased accuracy, no POI shift and great decibel reduction. Not only did the Dead Air Mask sustain the accuracy of the Ruger, it actually improved the accuracy! With the Dead Air Mask threaded on the end of the Ruger, the group average went from .83 inch without a suppressor to .77 inch with the Mask installed, ringing in a best group of .57 inch. As with the EliteIron Echo, there was no POI shift with the Dead Air Mask, even between the second and third groups when I removed the suppressor and reattached it.

The Dead Air Mask was also the quietest of the suppressors tested, beating the SilencerCo Sparrow 22 by just .60 dB. The Mask averaged a mere 121.7 dB, with one shot whispering into the mic at a fragile 118.4 dB!

SilencerCo Sparrow 22

Last in the lineup was the SilencerCo. I have to admit, I didn't expect much when I initially picked up the Sparrow. They have a big name, and that typically makes me a bit gun-shy. But this ended up being my favorite.

The Sparrow had the entire package — it's the Justin Timberlake of .22LR suppressors. The SilencerCo Sparrow came to me in the ever-popular matte black, 5.08 inches long and 1.06 inches in diameter. The Sparrow is constructed of stainless steel and weighs 6 1/2 ounces. SilencerCo says it can handle automatic fire from a .22LR and can also be used on an array of small-bore calibers, including .22LR, .17 HMR, .22 MAG, .22 WMR, .22 Hornet and 5.7mm.

Like all the others, the SilencerCo Sparrow was easy to disassemble and assemble. SilencerCo uses what they call Multi-Part Containment (MPC) technology in the construction of their Sparrow. MPC is a monolithic baffle system encased in two half tubes (think of the handguards on an M4), then the outer tube slides over the entire unit — a feature you're sure to appreciate after blasting away all day on the range.

SilencerCo Sparrow 22 Specs

MaterialsStainless steel
Cartridge.22LR, .17 HMR, .22 Mag., .22 WMR, .22 Hornet, 5.7mm
Overall Length5.08 in.
Diameter1.06 in.
Weight6.5 oz.
Noise Reduction122.3 dB
Attachment TypeThread on
FinishMatte black

The Sparrow shrank the average group size out of the Ruger by almost half! It rang in an amazing .47-inch average, with the best group of the day coming in at just .39 inch.

One thing I noticed while testing is that the first round of a shot group was always a bit outside the following four shots. I'm not a physicist, but I have two theories to account for this. The first is that the dynamic of the gun changes after the suppressor fills up with gas (after the first round) and shifts the impact ever so slightly.

The other is that the heavy barrel of the Ruger, combined with the low temps of the .22LR and the amount of time between shot groups, allowed the barrel to cool, producing a "cold bore" at the beginning of every group. Regardless of why it was happening, it was consistent. The reason I bring it up now is that if you throw out the flier of one of the groups of the Ruger with the Sparrow on it, the combination produced a .24-inch four-shot group! This happened on the last group, after removing the Sparrow and putting it back on.

The SilencerCo Sparrow held its own in decibel reduction as well, with a five-shot average of 122.3 dB. While the Dead Air Mask beat it out by a hair, you'd need a much better ear than mine to tell the difference of .60 dB. I would happily give up .60 dB of sound reduction for the confidence I gain in a weapon platform capable of averaging a .47-inch five-shot group, with no significant POI shift.

Sidebar: Are Suppressors Worth the Time, Money?

Only the people who have never shot a suppressed gun ask that question. If you have sent lead downrange from a suppressed .22LR, .338 Federal,  or anything in between, then you're probably a fan.

Suppressors substantially reduce noise and recoil. But there are obstacles to ownership. In a handful of states you cannot even possess one, including California, Massachusetts, Illinois and a few others that you can check at Thankfully in our state you can own and hunt with a suppressor, but check the regs because they change year to year.

The federal government is soon expected to lighten up on restrictions as well. Hunters across the land are hoping Congress removes the extensive background check, 9-month-or-more wait time and $200 transfer tax. The thinking now in Washington is that shooters need only have a quick NICS check done. No long wait. No extra tax.

Would you try one out then?

We used ELEY subsonic hollow .22LR ammo for all testing to ensure continuity. (Photo by Sean Utley)

How We Tested 

The Ruger 10/22 Tactical was my choice for these tests. It features a heavy barrel, nestled down into a Magpul stock and a Leupold VX-2 3-9x33mm Rimfire EFR scope bolted on top. The barrel was threaded to the standard 1/2x28. This is the same thread size of all the suppressors tested. To keep things consistent, ELEY subsonic hollow ammunition was used for all testing. This ensured continuity for accuracy, POI shift, decibel reduction and cycling when changing from one suppressor to the next. The rifle and ammo combination was a delight to shoot; I could have blasted away all day without suffering from fatigue or boredom. It was particularly fun once the accuracy testing was complete, and I began punishing the steel lined up along the backstop. I can't think of a more enjoyable way to spend a day.

The Ruger/ELEY combination proved to be a great match in terms of accuracy and cycling. The platform operated flawlessly, both unsuppressed and suppressed, and churned out some impressive groups, with a best of .24 inch (four-shot group) with the SilencerCo Sparrow 22, if you throw out that flier. For a gun you can purchase and take straight to the range for around $500, that's not too shabby. All accuracy testing was done off a bench at 50 yards, utilizing a bipod mounted to the Magpul stock.

Accuracy (Ruger 10/22 Tactical, ELEY subsonic hollow)

SuppressorAvg. Group (in.)Best Group (in.)
SilencerCo Sparrow 22.47.39
Dead Air Armament Mask.77.57
Ruger 10/22 Unsuppressed.83.68
EliteIron Echo Lite1.321.12
Gemtech GM-222.112.02

POI shift: 5.51 in. with Gemtech; none with the others. Accuracy results are the average of three five-shot groups at 50 yards

Impressive Discovery

We were having such a good time testing these suppressors on the Ruger 10/22 that one thing led to another and then another. The suppressed 10/22 was so quiet with the ELEY subsonic ammo that we began to wonder what the rifle would register on the sound equipment with a few variables. So here they are.

We first wondered how much of the sound we were picking up was from the bolt cycling. We shot a five-shot group using the Dead Air Mask while holding the bolt of the Ruger closed. This five-shot group averaged 121.7 dB. We then measured the cycling of the bolt without shooting the rifle. The result after five repetitions was an average of 118.6 dB. Stay with me here — if you take the average of all four suppressors combined, you get 122.6 dB. So the firearm is only 4 dB louder with bullets being fired out of it than it is being cycled without any bullets. This left me a bit flabbergasted. I'd say all four manufacturers have the sound-reduction game figured out.

The Ruger 10/22's barrel was threaded to the standard 1/2x28. (Photo by Sean Utley)

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