Diamondback DB9-the best pocket 9mm?

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MachIVshooter

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I know these have been out for a little while, but as I usually do, I waited to purchase until DB had time to work all the bugs out. The only outward change in the most recent rendition is the slide serrations; they're more squared off and utilitarian than the previous scalloped design. Good? Bad? I dunno, I kind of like the aesthetics of the older pattern, but the new one looks good, too.

Anyway, the reasons for buying. I've had my P3AT for over a decade now, and it has been a great little pistol, but I have always had an issue with the magazine release, as being carried the way a true pocket gun is carried, it would sometimes be depressed enough to release the mag. I had planned to make a shallower steel release, but just never got around to it. I also have a PF9, which has been an excellent pistol as well, but small and light as it is, it's still not a pocket gun. Enter the DB9, which falls smack dab between the two for size and weight:

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Personally, I think the little DB9 is aesthetically pleasing from a utilitarian standpoint. I like my Kel Tecs, but they are 100% about function and not the least bit attractive. Then you have guns like the Sig P238 & P938 or Colt Mustang, which are very nice looking, but also single action, a bit large and heavy, and by many accounts having some issues. To me, the little DB strikes a nice balance. It's like a micro Glock with a touch more flare. The thicker grip of the DB9 compared to the DB380 skews the proportions a little, but not too bad. The two guns are practically identical, except for a .4" wheelbase stretch on the 9mm.

We did recently pick up a DB380 for the wife as well (yes, she actually wanted pink, too). She likes it, and shoots it well. She likes her Kahr K9 better, but the whole issue was the size and weight of that gun for a slight female (5'6", 128 lbs) trying to CC. It's a great range gun for her, but at nearly 2 pounds loaded, an irritation in her modes of carry. The tiny Diamondback doesn't bother her in the least, though.

But I digress...........

As always, the manufacturer's specs are always a little cryptic in regard to what exactly they were measuring, so here's a breakdown of the guns, side by side:

Model:.................................P3AT..................DB9......................PF9

Capacity:.............................6+1...................6+1......................7+1

Height:................................3.68".................4.07"....................4.71"

Length:...............................5.16".................5.65"....................5.93"

Width:................................0.80".................0.81"....................0.97"

Unloaded weight w/o mag:......7.4 oz...............11.4 oz................12.8 oz

Loaded weight:....................11.1 oz............. 15.7 oz................18.3 oz

The loaded weights are full mag + chamber, 115 gr. Remington JHPs in the PF9 and DB9, 102 gr. Golden Sabers in the P3AT. Height, length and width are measured as the maximum dimensions parallel and perpendicular to the bore, including sights and magazine base plates.

To be fair, the PF9 does allow an almost 4 finger grip with the extended baseplate, where the other two are true 3 finger guns. However, the PF9 sheds only 1/4" with the flat base plate that makes it, too, a 3 finger gun, (though it still holds one more round than the DB9).

I can't give much of a range report, as I have only put one magazine through it with the Remington ammo at point blank range to function test the gun. However, it functioned flawlessly despite having been simply removed from the box, checked for bore obstructions, then loaded and fired. No lubing or cleaning beforehand. Recoil is brisk, but no worse really than the PF9.

I may eat my words if the thing proves less reliable than the flawless first mag, but barring that, I'd say Diamondback hit it out of the park on this one. It is just .4" taller and longer than the $1,000 Rorbaugh, yet thinner & lighter and, most importantly, 1/3 the price. The DB9 also doesn't require recoil spring changes every 200 rounds. For all the 9mm micro pistols I've owned or tried out, I will say this is the only one you can buy in the 3 figure range that truly qualifies as a pocket gun. I'm happy :D
 
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I will say this is the only one you can buy in the 3 figure range that truly qualifies as a pocket gun.

My measurements have the Kahr CM9 at 5.625” long - OAL measured from the right side, in a box with the top of the gun flush with the top of the box and the gun pushed all the way to the right, like the IDPA measures.

The CM9 is 4.125" tall measuring from the top of the sights to the bottom of the mag well.

The CM9 goes for around $319 and it seems every bit as "pocketable" as the DB9.

I know that it is extremely difficult to get a micro nine to reliably cycle with the recoil impulse of cartridges that run the gamut from 115gr to 147gr. That's why the Kimber Solo doesn't function very well with bullet weights less than 124gr. But if you're going to choose a part of the spectrum to cover, I think its smarter to choose the 124gr to 147gr part and leave bullets weighing less than 124 grains out, rather than omit the heavier and generally better performing bullets in the 124gr to 147gr range.

So far my CM9 has eaten hundreds of 124gr NATO rounds, and it shoots 147gr Federal HST as well as 115gr Winchester "Target" FMJ.

I keep it stoked with 147gr HST based on ShootingTheBull410's test out of a 3" barrel"

http://www.thetruthaboutguns.com/20...hebull410-9mm-ammo-quest-federal-premium-hst/
 
Good writeup. I'm kinda interested as to how their full/duty sized gun will pan out. For better or for worse they do have a little bit of a stigma attached to them, but they can work to drive prices lower for consumers which can be good for us.
 
My measurements have the Kahr CM9 at 5.625” long - OAL measured from the right side, in a box with the top of the gun flush with the top of the box and the gun pushed all the way to the right, like the IDPA measures.

The CM9 is 4.125" tall measuring from the top of the sights to the bottom of the mag well.

The CM9 goes for around $319 and it seems every bit as "pocketable" as the DB9.

I like the Kahrs, and the CW/CM series definitely offer a good value. Having said that, the PM9/CM9 are a good bit thicker (right at an inch with the slide release) and heavier than the DB9. 3 oz and .2" width is a bit when talking pocket guns. I've also not seen one that cheap; $375 is about the lowest I've found on the CM. Not that $30 or $50 really matters, the DB9 typically going around $325-$350.

I also personally find the DB more ergonomic in the grip than the Kahrs; with fairly large & cavernous palms, the more exaggerated palm swell makes it point more naturally for me.

I'm kinda interested as to how their full/duty sized gun will pan out.

Haven't shot one, but have checked them out a bit. Well executed, IMO. They look like a cross between an M&P and a PMR-30, and their weight falls between those two as well. They're pretty slender, and feel good in the hand. It would be a contender if I were searching for a new full size 9mm, but I have plenty of those already. I also tend to prefer steel frames in full size 9s, as they are pretty much strictly range guns for me. I do not carry my 92FS, 5906, Baby Eagle, etc.
 
DB9 orange frame....

I looked into buying a orange frame DB9 9x19mm pistol mostly for the collector value & some home defense uses but when I read the company warning labels re; ammunition and QC, I decided the DB9 wasn't my type of semi auto pistol. :uhoh:
The firm states you should not fire +P or +P+ 9x19mm rounds. They also advise not to use any 9mm loads over 124gr. :rolleyes:

This pistol may seem low cost & have clever features, but I wouldn't buy it for defense or protection.
 
I don't fault any micro-nine manufacturer who doesn't support running +P ammo through the pistols.

But I think designing the DB9 around the 115gr round is an issue. Having to forego proven premium SD ammo like 147gr Federal HST, 147gr Remington Golden Saber and 135gr Critical Duty.. is an issue
 
Why would people who would have no problem buying a pocket .380 have a problem buying an almost similar sized pocket 9mm that can only shoot 115gr-124gr ammo? On top of that point, 115gr 9mm self defense ammo AND target ammo would be easier to find and cost less to shoot.

Regardless of the fact that I can not shoot +p ammo or anything above 124gr, today's 9mm 115-124gr self defense ammo should be more than enough to get the job for the "philosophy of use" of an up close and personal pocket gun, and I'd gladly choose the db9 over 380 pocket gun in the same price range any day...

With that said, I'd go with the (sometimes) cheaper or similarly priced Kahr CM9 which has a slide lock and last round hold open.
 
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I've had my P3AT for over a decade now, and it has been a great little pistol, but I have always had an issue with the magazine release, as being carried the way a true pocket gun is carried, it would sometimes be depressed enough to release the mag.

A good Kydex pocket holster should cure that "premature release" problem. Most of the ones I've seen have a little bump-out over the mag release to keep pressure off of it.
 
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Why would people who would have no problem buying a pocket .380 have a problem buying an almost similar sized pocket 9mm that can only shoot 115gr-124gr ammo?

1) If the DB9 were the same size as a Rohrbaugh R9 and it only shot 115-124gr ammo maybe it wouldn't be an issue but its larger than the R9

2) The reason I got a 9mm pocket pistol is because I do have a problem carrying a .380.

It may be possible to create a 9mm pocket auto the same size as the Ruger LCP that only fires a select range of bullet weights at reduced velocities, put ammo restrictions on it like only 95gr to 105gr ammo at velocities below 1060 fps. It would still fire ammo that is more powerful than .380 ACP. :)
 
With that said, I'd go with the (sometimes) cheaper or similarly priced Kahr CM9 which has a slide lock and last round hold open.

That's a personal preference thing. Definitely more convenient, but also adds width and, on guns this small, creates a situation where it can be accidentally engaged. That is especially true of the large-ish lever on the Kahrs, and I've seen it happen at the range.

KT designed the P32 with last round hold-open, but they omitted the external lever for a reason. The P3AT lacks hold open, according to KT, because there simply wasn't room in the chassis.

Yes, the DB9, with it's very shallow mag release and no last round hold open is slower to reload than a PM9/CM9. But it is also impossible to engage a non-existent slide lock, and virtually impossible to drop it's mag by accident.

1) If the DB9 were the same size as a Rohrbaugh R9 and it only shot 115-124gr ammo maybe it wouldn't be an issue but its larger than the R9

That depends on which dimensions you're looking at. The Rorbaugh is .4 inches shorter on the length and .3 on the height, but also 2 ounces heavier and .15" wider.

The R9, the CM9/PM9 and the DB9 are really the only competitors in the pocket 9mm game right now, and they all have features to recommend them. To me, the DB represents excellent value, and beats out the others on two of the dimensions I consider critical: width and weight. Before these pocket nines became available, I liked such guns as the NAA guardian, the Seecamp, the Micro Eagle. But they are all heavy little lumps that, despite their shortness on two axis, didn't carry as well as the lighter and thinner P3AT.

Likewise, the DB9 in my pocket feels less noticeable than the PM9. I have never pocketed an R9, but I have handled them. Svelte little guns, but kinda chunky and very expensive. Not very many people are willing to drop 4 figures on a pocket gun, and I'm no exception. The market for these guns, where the vast majority of micro/pocket .380s and 9mms fall, is in the $300-$450 range. The P3AT, PF9, CM9, CW380, DB380, DB9, Nano, LCP, LC9, Bodyguard, Shield, G42 and many others are all in there. Rorbaugh makes a nice little product, but they have truly priced themselves out of the market for 99% of concealed carriers.

If width weren't an issue, I'd be carrying the featherweight little powerhouse that is the S&W 340PD. But that cylinder width is a deal breaker for me as someone who wears tee shirts and Wrangler jeans that actually fit the extreme majority of the time, and if I'm going to have to use a holster and dress around my gun, it's gonna be a more substantial piece.

It may be possible to create a 9mm pocket auto the same size as the Ruger LCP that only fires a select range of bullet weights at reduced velocities, put ammo restrictions on it like only 95gr to 105gr ammo at velocities below 1060 fps. It would still fire ammo that is more powerful than .380 ACP.

Not really. I load those 102 gr Golden Sabers to clock 1,067 FPS avg from my CZ83. They drop to 1,030 FPS in the P3AT. Very respectable for the .380, but still well below 9mm performance.
 
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That depends on which dimensions you're looking at. The Rorbaugh is .4 inches shorter on the length and .3 on the height, but also 2 ounces heavier and .15" wider.

You can buy 2-3 db9s for the price of one Rorbaugh, and it's heavier and wider.

1) If the DB9 were the same size as a Rohrbaugh R9 and it only shot 115-124gr ammo maybe it wouldn't be an issue but its larger than the R9

2) The reason I got a 9mm pocket pistol is because I do have a problem carrying a .380.

It may be possible to create a 9mm pocket auto the same size as the Ruger LCP that only fires a select range of bullet weights at reduced velocities, put ammo restrictions on it like only 95gr to 105gr ammo at velocities below 1060 fps. It would still fire ammo that is more powerful than .380 ACP. :)

Not to derail the thread, but a bid of a straw man here. I thought the issue you had against the db9 and what we were discussing was the fact that it could not fire anything above 124 grain, and not the size of the firearms (which one really does not over shadow the other because each has pros and cons in the size weight department).

If a 9mm 124 grain self defense ammo could go 'through 4 layers of denim, penetrate between 12"-14" and expand somewhat' too, why would you need a round that penetrated more?
 
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I bought a used DB9 on a whim a couple of weeks ago, for $250. It's an older model with the scalloped front and rear serrations.

I have found it to be quite accurate, and easy to control with SD loads. The one thing I have noticed is that it will stovepipe with SD loads if I don't hold it very firmly. This was with 124gr Hornady standard pressure ammo. I'm going to try some other brands, as well as some 115gr stuff and see how that works. It does not do it with range ammo.

I have several 'pocket' nines, i.e. Kimber Solo, Shield, Kahr PM9, and Walther PPS, and they don't do this, but they are all larger/heavier than the DB9.

The only thing I don't like about the DB9 is that I can't find any extra mags for it, except one listed on ebay for $40.00.
 
How are the current DB9s holding up for you folks that have them?
I had one about three years ago. It would break the ends off the trigger return springs every so often. Then the trigger spur snapped off, followed shortly by the replacement trigger spur doing likewise. The second time DB replaced the gun. My LGS let me apply the new, unfired gun towards something else. If they are making them now so that they don't fall apart, I'd buy another. The gun was accurate and and I loved the size.
Regards,
Greg

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124gr vs 147gr out of a 3" barrel

124gr HST:

http://www.youtube.com/watch?v=-lGqdMdbir0&index=7&list=PLgNSGOEQko_M90AMdRCDMgd-w4Yozc27i

147gr HST:

http://www.youtube.com/watch?v=K3VfWkWMzOI&index=11&list=PLgNSGOEQko_M90AMdRCDMgd-w4Yozc27i

I like the performance of the 147gr better - less penetration but greater expansion

Not to derail the thread, but a bid of a straw man here. I thought the issue you had against the db9 and what we were discussing was the fact that it could not fire anything above 124 grain, and not the size of the firearms (which one really does not over shadow the other because each has pros and cons in the size weight department).

If it was the SMALLEST 9mm out there, I wouldn't mind so much that it can't fire 127gr - 147gr bullets. But the DB9 isn't the smallest 9mm gun.

I would even be willing to buy a 9mm that could only fire 95gr-105gr bullets, if it were really really small - like LCP sized.
 
COuntzerO, I have just the gun you are looking for. My Kahr P380 is rated for Buffalo Bore +P 95 gr HP ammo that I use. It is LCP size and will give you 12" penetration with .53" expansion through 4 layers of Denim and ballistic gel. Look at the results from "mousegunaddict.com". Yes, it is a lowly 380 that you do not like, but the results are there. I carry this gun frequently and loaded with BB ammo too. Snoop
 
Also, I forgot to mention that the little Kahr P380 or CW 380 has a very stiff recoil spring that really dampens recoil and aids in quick follow-up shots. It is the best pocket gun I have. I have seen other tests that give 13.5" penetration and .53" expansion
 
Any aftermarket parts or upgrades for these pistols? Being a DA only pistol I didn't know if there were some mods to shorten the reset or over all length of the pull.
 
It's probably a decent enough gun, but the best?

That's why the title has a question mark; the intent was to discuss that possibility considering all spects, including (and perhaps especially) value.

Let's look at what it is, and consider that there are really only three guns in the true pocket nine category against which it competes. The DB9:

-is the slimmest
-is the lightest
-is tied with the PM/CM9 in second place for length & height
-is roughly tied with the CM9 for price, WAY below the Rorbaugh
-has a very smooth external profile
-has small but useable sights
-is Glock-simple

And on the subjective side, it is the most ergonomic. The CM9/PM9 grip feels dinky to me, and the guns a little top heavy. The Rorbaugh is well balanced, but a tad chunky.

I suppose it comes down to-

-If length and height matter to you more than width, weight and cost, buy an R9

-If having last round hold open/slide lock lever are more important to you than width and weight, buy a CM9

-If you want the slimmest and lightest 9mm on the market, the DB9 is it.


But the DB9 isn't the smallest 9mm gun.

The four dimensions that comprise size are height, length, width and weight. The DB9 owns two of those, the R9 has the other pair. As I said before, it depends which dimensions are most important to you.

I would even be willing to buy a 9mm that could only fire 95gr-105gr bullets, if it were really really small - like LCP sized.

Have you actually put the DB9 next to an LCP (or P3AT)? I have, and there's truly not much difference. I own a P3, as evidenced in the photo. The miniscule size increase for a more ergonomic pistol with a better trigger in a much more potent chambering is a no brainer to me. I like KT, but Diamondback has one-upped them for now.

It's clear that you don't care for this gun, and that's fine. But one should still be objective enough to give credit where it's due. These Florida boat makers figured out how to build a teeny tiny featherweight 9mm that works, and produce it for a very reasonable price. That's an accomplishment.
 
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