Diamondback DB9 Gen 4 Micro-Compact – Video Review

Diaomondback DB9 Gen 4 by GBGuns
Diaomondback DB9 Gen 4 by GBGuns

When the DB9 from Diamondback Firearms was originally released, it was one of, if not the smallest and thinnest 9mm pistols in the world.  The feat of creating a pocket 9mm, roughly the size of most pocket .380 ACP pistols, however, did not go without compromise or criticism.  Instead of appreciating that Diamondback had found a way to make such a gun, consumers complained.

Diamondback DB9 Handgun

Most of the complaints were simply a matter of not understanding the pistol.  Superficially, many attempted to compare the DB9 against other single-stack 9mms like the Shield or PPS.  A more accurate comparison would have been against the LCP and Bodyguard since the DB9 is more of a pocket gun than a single-stack 9mm.  Another common negative came from many users not reading their instruction manual and attempting to use loads over 124gr or +P loads in their early-generation DB9s.  Diamondback specifically warned against this in the manual, but people still did, and the results were often the destruction of the firearm.  The 4th generation DB9 has had some serious upgrades to bridge these gaps.

Let’s take a closer look in the tabletop video up next:

Maddy of GBGuns demonstrates just how thin the DB9 can be by intentionally wearing snug clothing. Although the gun is holstered on her right hip the belt is the only visible break in her shirt’s line.

Up-sized sights, the addition of a slide stop/release, and a stronger overall construction bring the DB9 Gen 4 perhaps from pocket-gun to tiny single-stack categorization.  The specifications below are taken directly from the product web page.

  • MSRP:$305
  • HEIGHT:  Height with flush magazine: 4.00″
    • Height with extended magazine: 4.51″
  • WEIGHT: 13.4 oz. (empty flush magazine)
  • LENGTH:Length of gun: 5.73″
  • WIDTH:Overall Width: .89”
    • Slide Width: .81”
  • SIGHT RADIUS: 4.51″
  • BARREL:  3.1″ Stainless Steel, 1:10 RH
  • TRIGGER:  Improved trigger pull and shorter reset
  • TRIGGER ACTION: Striker Fired Double Action Only
  • SLIDE: Gun Grade Stainless Steel, QPQ Black Nitride
  • CALIBER:  9x19mm
  • CAPACITY: 6+1 rounds
  • FRAME: Black Polymer
  • SIGHTS:  3-Dot, Glock Compatible
  • RECOIL SYSTEM:  All steel captured

With an empty weight of just slightly more than half that of the popular Smith & Wesson Shield, the DB9 Gen 4 is easy to carry and all but disappears in a quality holster.  Diamondback has worked with a number of holster manufacturers to ensure that holsters were ready, and so we were able to test with a CrossBreed Holster, which looked like a bit of an overkill for such a small gun but had us checking to make sure the gun was still there.

The DB9 Gen 4 all but disappears in a CrossBreed holster and is thinner than the doubled 5.11 belt.

The light weight also means there is less to mitigate recoil, and with a frame width of just over 3/4″, what does that recoil feel like?  We hit the range for our basic battery of tests, including the popular “What’s For Dinner?” test. In that test, we run a variety of different loads, bullets, and case types, all with their own unique handling characteristics to determine what a gun will or will not, “eat”.

Range tests can be seen in the Shooting Impressions video below:

The pistol is snappy, but that’s to be expected from such a small gun.  Is there a need or reason for such a gun?  Yes.  Pocket guns don’t have to be .380 ACP or smaller anymore.  9mm ammunition is less expensive, more readily available, and in a wider variety of loads.  Now that the DB9 can handle +P loads it’s quite possible to find one to compensate for having a shorter barrel and still deliver full-strength energy on target.  Will it be pleasant to shoot?  No, but it’s not meant to be. It’s meant to be an excellent concealable tool.


About Graham Baates

“Graham Baates” is a pen name used by a 15-year active Army veteran who spent most of his time in the tactical side of the Intelligence community, including tours in Afghanistan and Iraq. Post-Army Graham spent some time in the local 3-Gun circuit before becoming a full-time NRA Certified defensive handgun instructor and now works as an industry writer while curating a YouTube channel on the side. Visit Graham on YouTube.

Some of the links on this page are affiliate links, meaning at no additional cost to you, Ammoland will earn a commission if you click through and make a purchase.
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Jerry

How does this compare to the kel tec pf9? I am in the market for a small 9 and think that these 2 are in the running.

Jose

According to reviews, skip the PF 9. That gun is not reliable, while the DB9 GEN 4 has been very reliable so far according to many reviews so far. The DB9 is smaller too.

grewterd

Take a look at the Kahr PM6 or CM9. Little wider, little heavier. I go back and forth between the DB9 and PM9 for my pocket gun.

Xaun Loc

Another common negative came from early-generation DB9s falling apart regardless of what ammunition was used. Simply taking a 380 and making it a 9mm did not produce a reliable firearm.

Far worse, Diamondback insisted that there was absolutely nothing wrong with the DB9 – denying most of the issues experienced by early users and blaming the users for any problems they couldn’t ignore. The dialog in Diamondback forums was enough to convince anyone to look elsewhere.

RedState

If the quality is the same as my Sidewinder pistol, I would not be interested in any gun they make. There is a reason they are priced low.

musicman44mag

If the quality is as good as my Tarus 45 Millenium pro or my two Sig P938s, I wouldn’t want one either. Sig tried the limp wrist with me. I told them BS got the RA and turned one in. It was a bad sear. The other I had to do twice for the same reason. I retired them and use Hellcat now. Love my compact XDM 40s too but they are a little too big for IWB.

Robert N Osburn

Be very careful what you order .I just received a DB9 ordered off the web, which has the new Gen 4 slide logo , new sights, new stronger frame BUT has the trigger guard hang tag , warning against P+ ammo. I wouldn”t use P+ in a short barrel pistol anyway . It would be nice insurance against ignorance or carelessness.

grifhunter

The grip angle is practically 90 degrees. Your natural point of aim will be your targets shoes.

TGP389

O have one of these. I bought it to carry if I wear dress clothing because it’s so flat, and small. I shot it when I got it, and was amazed at how accurate it was, and that it didn’t kick any harder than it did. It was a pleasure to shoot. It might be, as Col. Jeff Cooper would sometimes say about a particular pistol, “a pistol to carry much and shoot little” when it comes to longevity, I don’t know, but it’s really a neat little pistol. I think mine is a generation 3. Id prefera 4, because… Read more »

Joe kovacs

When is it going to be released to the public

Jared Wright

Already is on Gallery of Guns website. That’s where I got mine.

JDL

Have an early model – Gen 1 with a Gen 2 slide. Only issue is that it will not feed the first round from a full magazine. Decreasing the mag loadout to 5 rounds makes the gun run flawlessly. So now I carry it 5+1.

Charles Moore

I’ve told people that for many years. I down-load single stack mags by one round and double stacks by two. More reliable and removes an easily addressed variable from even super-reliable pistols. Mag springs last longer, too.

grewterd

I had a Gen 1, wasn’t reliable for me. Part of that was me just not able to hold on to the thing tight enough but it was the 4th or 5th round in the mag that would seem to cause an issue. I contacted Diamond Back and was able to have the gun replaced with a Gen 3 for no cost (well, background check) or for a reasonable amount, Gen 4. I went with the Gen 4 route. Something to think about.

JDC

Looks like a nice weapon.

My Honor Guard 9mm has 0.1″ longer barrel and 7 or 8+1. I think this Diamond is perhaps a bit thinner. I don’t consider the recoil on my weapon “snappy” at all. It is my daily carry gun. Never a FTE or FTF in 2000+ rounds mixed of P and +P.in every configuration of bullet and case I could throw at it.

Any chance of seeing a side by side comparison and your thoughts at the range shooting both of them?

Graham Baates

I have reviewed both of them. The Honor Guard is a fine pistol, but in a different category of guns. Consider the Diamondback a pocket gun chambered in 9mm while the Honor Guard is in the single-stack 9mm sub-compact size range. These Diamondbacks are about the same size as the Ruger LCP.

David warren

I’m a diamondback customer, very happy one . I’m i the market for a sub .45 defense firearm pistol.any ideas if you guys might be developing anything like that in the future?fingers crossed

Robert Castleberry

Heizer PKO45

Craig Clyde

Kahr CM .45

Charles Moore

The excellent Springfield 3.3″ XDs in .45 ACP. It has actually become my favorite pistol to both shoot and carry. I much prefer the grip safety over a traditional type AND the fact that there is NO magazine-disconnect safety. Ammo is critical with short barrels and ESPECIALLY .45 ACP, which is typically not a great performer due to low velocity (made even lower by short barrels. Winchester 185gr. Silvertip has performed very well in my tests against bare media and ACTUAL heavy clothing (not that FBI/IWBA crap). Others worth carrying are Federal HST 230gr. (NOT the LE version), Speer Gold… Read more »