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David Higginbotham
In a world dominated by GLOCK clones of all sorts, ZEV stands out. If you listen to the braying masses, ZEV managed to take a standard GLOCK and make it much more expensive. There’s some truth here. You can buy three stock GLOCKs for the price of a ZEV OZ9, but none will shoot as accurately.
What Makes a ZEV Worth the Investment?
A Toyota will get you to the grocery store. So will a Lexus. Both have four wheels, operate in fundamentally the same manner…. Yet there are some that will automatically gravitate to the enhanced driving experience inherent in a luxury sedan, and have the discretionary spending required to back those preferences.
If you’re tracking the tenor of this metaphor, there’s no explanation necessary. The OZ9 is a refinement on the utilitarian tradition pioneered by GLOCK. ZEV has brought performance enhancements that make the GLOCK faster and more accurate.
One big selling point is the ZEV OZ9’s modular chassis. Like the P320, and others now, the ZEV OZ9 took the GLOCK frame and isolated the guts in a serialized package that is independent of the plastic grip module.
ZEV pistols also have a better trigger. Tolerances, overall, seem to be tighter, too. All told, the improvements to the original guns make the ZEV OZ9s (now in their second generation), a compelling design worth a deeper look.
Where Did ZEV Come From?
ZEV has evolved from offering improvements designed to improve upon the GLOCK originals to making a really high-end GLOCK clone, completely reimagined. I’ve managed to get two of the V1 OZ9s and will talk about the enhancements, what works well (and what doesn’t) and will get deep into the overall assessment of value.
If you aren’t up-to-speed on the history of GLOCK clones, I’ll summarize. GLOCKs work. GLOCK’s reputation has, from the company’s launch, focused on making a reliable service pistol. While the original G17 was revolutionary, in the four decades following its launch, the guns have become the benchmark for duty.
GLOCK owners, though, have long sought modifications. Because the frames are serialized, these modifications often begin with extra slide serrations or traditionally rifled barrels to replace the polygonally rifled stock barrels. Then folks typically bust out the Dremel tool and remove some mass. This is followed by some custom work with a soldering iron or wood burner to stipple the grip.
With new sights, an aftermarket trigger, and some customization to the ergonomics, the GLOCK fanboys were shaping the future.
ZEV was one of those companies helping to shape this new vision for the stock GLOCK. They specialized in triggers, slides, and barrels. Cost for these additions always seemed high to those hobbyists on the outside looking in, but the value was there for those serious about making the GLOCK run exactly like they wanted.
From its early days in California, ZEV spoke to competitive shooters. California, though, is hardly friendly to the firearms industry. ZEV bought Mega Arms, a rifle components manufacturer, in 2016 and they have since shifted up to Centralia Washington.
In 2024, SilencerCo announced that they were acquiring ZEV, though both entities seem to be operating independently.
Key Design Upgrades in the OZ9
The OZ9 marked a radical step up for ZEV. Aftermarket parts are one thing. Making complete guns is another. And I’m not talking about the regulatory headache—I’m talking about the entire philosophy of the off-the-shelf gun.
With parts, the implicit marketing premise is that you get to build the gun you want, exactly like you want it. With a stock ZEV OZ9, the idea is that this is the gun you want. So the question remains: is it?
An OZ9’s frame, the steel chassis that rides in the grip, is a big part of the upgrade. While a P320 has a rather skeletal frame, one that offers relatively light connectivity to the slide, the ZEV takes a full-length, much heftier approach.
The rail on the OZ9 is actually part of this extension. With a full-length connection inside, there’s less flexing of the frame during recoil. I’d count this as the first element of improved accuracy.
While I’ve not pushed an OZ9 to the point of failure, this chassis concept seems much more solid than the stock GLOCK build. More solid, though, needs context. GLOCKs don’t suffer frame issues.
Still, the ZEV chassis is ingenious. While most frames are stamped and shaped, this one is milled from bar stock, adding even more strength.
As for the plastics, ZEV steps up the grip angle on the OZ9. While stock GLOCKs are 22 degrees, the OZ9 is closer to 18. This is much closer to the 1911 angle, and is common in some of the higher-end grip adaptations to hit the 9mm competition market.
ZEV has built a flared magwell into the OZ9, too, to add functionality. Magazine changes are reliably easy, and better than they would be with a stock gun.
To counter the extra weight from the chassis, the slide on the OZ9 has been lightened. I find that slide cuts are a very personal call. I prefer slab-sides and clean lines. Others want angles, ledges, and six kinds of serrations. To each his own. The OZ9 is an homage to the custom-cut slides. The ergonomics are improved, and the lightened slide is going to move slightly faster. Perhaps the biggest step up, at least for those who use red dots, is the direct-mount options for optics.
Common Trijicon and Holosun (anything that uses an RMR cut) will mount directly to the slide. Other mount patterns will require an adapter plate. Stand alone slides are available in additional native cut options, such as the Acro and 509T.
Beneath the slide, ZEV has gone with their proprietary barrel. Tolerances here are tight, too—and this is something we’ll get to when we talk about ammo selection, but they’re rifled and riding in a complete system that makes them far more inherently capable of delivering solid accuracy (if you do your part).
ZEV’s Fulcrum/Pro triggers break at the 3-4 lb mark. Reset is short and the break itself is crisp. It is easy to see why these additions (and now these guns) are so popular on the competition circuit. ZEV’s commitment to a lower bore axis combined with the weight of the steel receiver and the improvements in the trigger all result in a flatter shooting pistol.
Evolution from Original OZ9 (V1) to V2
These are both original V1 OZ9s. ZEV launched the line in 2019, which was a rocking time for the gun industry. Unlike GLOCK, the second iteration followed about four years later.
V2 guns have a universal receiver. V1 had a short and long form for the compact and duty sizes. The 2023 shift to a universal compact steel receiver allows for one receiver to host multiple slide lengths and grip lengths. And the internals moved away from just GEN 3 parts to allow for GEN 3, 4, and 5 parts.
Ammo Sensitivity
While I’ve not spent much time on the range with a V2, I can confirm that the V1 guns are picky about ammo. Some of the editorials I’ve read suggest sticking to brass-cased 124 grain 9mm.
I shot some steel-cased 115 grain Magtech through this gun and it wasn’t having it. As I had one OZ9 set up for suppressed fire, and one in stock configuration, I kept the steel cased ammo in the unsuppressed platform. Steel cases seemed to bind hard enough that the extractor would pop off the rim each time. A second rack of the slide was enough to pull the case, but it required a clearance of the attempted double-feed.
On the range one week earlier, the ZEV cleared every flavor of brass-cased 9mm I fed it. I had run a short fundamentals class, and one of the participants put 300+ rounds through the gun with no issues.
I shot 147 grain Remington 9mm with the suppressed OZ9. This one has a SilencerCo barrel in it, and that addition required a few mags to smooth out the performance, but now it runs like clockwork. I’ve tested this same barrel in numerous other clones, and several G19s and G45s, and the ZEV is the only one that didn’t work perfectly on the first pull of the trigger—but I suspect it has to do with the weight of the return spring, as the failures were all due to the slide not returning to battery. That, though, disappeared after the break in period. If it had continued, or if I were to run lower pressure subsonic ammo, I’d look to ZEV’s selection of alternative recoil spring weights.
General Performance, Pros, Cons, and Controversies
ZEV has to meet a high bar for performance. GLOCKs work, so a ZEV must, too. This is the burden all clones face, really. But when the price of the upgrades take the MSRP above that of a factory GLOCK, performance is a must.
My ancient G19 will survive the apocalypse, but it isn’t ever going to shoot a tight group. That’s not the point of a gun designed for duty. Accuracy is important, but not as important as reliable efficiency.
For this precise reason, I look at the ZEV OZ9 a refined instrument. It is capable of more speed. I can shoot it more accurately. I perform better with the ZEV. Is that worth more? It is if that’s what you value.
An OZ9 is going to set you back $1,500+. The V2 guns are set up as Combat, Elite, and Hyper Comp variants. Each brings something distinct to the table, including the Combat’s effort to bring the refinements ZEV is known for into a gun that is just as reliable and versatile as a stock GLOCK.
Running the OZ9 Suppressed
As ZEV Technologies and SilencerCo are now officially allied, it seems only fitting that the OZ9 should be capped off with a SilencerCo Spectre 9–fast becoming my go-to suppressor for 9mm pistols.
The fit is clean. There’s no need for an extended piston, though the Spectre 9 will need a piston in order to cycle correctly.
As for threaded barrels, ZEV makes threaded barrels specifically for the OZ9 pistols, and for any other GLOCK generations (other than GEN 6–but they’ll catch up there soon, I’d guess).
I’m using a SilencerCo barrel on the OZ9–one that fits the G19-sized 9mm GLOCKs and clones. This extends the length out to 4.5”, meaning you’ll need to either move up to a G17-sized holster or find one that is made for threaded barrels installed.
As for performance, the SilencerCo barrel fits snugly into the OZ9’s frame. I had several failures to return to battery in the first magazine. After running the gun for maybe 20 rounds, this hitch eased up. As I noted in the Ammo Sensitivity section, I attribute this to the recoil spring. It is no exaggeration to say that these guns are finely tuned and balanced. This is how recoil is tamed. And anything that throws the system out of balance is likely to shut it down. This isn’t a flaw, either. This balance is an attribute of performance.
Final Thoughts
With a V1 OZ9, you get ergonomic and performance enhancements that will test your abilities as a shooter. And this performance has been noticed by the LE community. ZEV’s V2 guns are winning contracts, which will push the platform into the duty space.
David Higginbotham
The post ZEV’s OZ9: Suppressed Sophistication appeared first on SilencerCo.
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