Here is an update. It's been 2.5 years I use this bag EVERYDAY and not a single issue. All stiching is intact, all zippers still work...well, fabric has no rips or tears. I'm telling you this bag is a beast. I trust it enough to carry my Z7 II daily. Honestly, I drop this bag on my bench at home, the floor of my office and behind me in my rig daily and have no worry about my camera gear. I did break the shoulder strap buckle but that was 100% my fault as I smashed it in the doorjamb of my rig. Hazard4 was very helpful in getting me the replacement.

I have changed the layout and loadout a few times but the pics tell the same story... Lots of space and room to attach gear. In fact too much. I have overloaded this thing many times hence the layout/loadout changes. With that said I do not suggest this pack for long distance hiking. It's solid and comfortable but one shoulder can be taxing on the long hauls.

Examples of use;
The good:
I have spent 12hrs zig-zagging my way through the Seattle riots taking photos and muscling my way through crowds while juggling gear. It's accessablity, versatility and size made it great for quick move and shoot situations.
Additionaly I carry this bag through the area and state parks where I am often posting up a while shooting wildlife but not travelling more than a couple miles at a time.
In both of these situations it's move and shoot with lots of stops.

The bad:
One the other hand I've carried this bag for long distances down trails point to point and after a couple hours it runs me down. Especially up hills when you need a more balanced load for endurance. This is not the pack for humping it long distances.

Still I give this bag 5 stars w/o hesitation.

------------------original review-----------

This review has lots of info;
As I daily carried this bag for 2 months before writing this...

If your like me you're always searching for the perfect backpack, tool box, storage container, etc. to hold and organize your stuff. This sling is the closest thing to perfect for my everyday needs. I wanted a pack that is sturdy, dependable, roomy, Molle compatible with padded compartment for my camera and can be carried on one shoulder for quick transport or be securred to my body for longer periods of travel.

It's the second product I have purchased from Hazard 4 so I knew the quality was good going in. So it just came down to camera safety and comfort. Both of which are 5 star. In fact the camera protection is better than my big camera gear backpack.

A quick background on me for reference;
I'm a stocky 6' guy in his 40's, Background is construction and now 70% of my time is at a desk, I'm an EMS volunteer for the local FD, I do Martial arts, photography and live a mobile moderately rough and tumble life style. Main thing is I must be response ready 24/7 so this bag, my go-bag and truck contain everything I need to go 72 hrs without replenishment.

Now to the nuts and bolts of my review;

The Goods:
1. Strong high quality material with excellent stitching and good zippers.
2. Lots of room
3. Safe thick padded storage for camera.
4. Lots of space for Molle pouches and equipment.
5. Comfortable.
6. Versatile.
7. Easily adjustable.
8. Easily configurable. The main inner compartment is separated and/or organized with Velcro panels.
9. Easily personalized.
10. Easily expandable.
11. Tough.
12. Attractive.
13. Good size for everyday bag.

Bads;
1. The front bottom outside pocket has a nylon pocket inside that does not retain items well. However it's manageable and still provides for organizable space.
2 In my opion, the top compartment (very top) is inflexible in terms quantity and size limitations of items you can store. Its best for small and thin items like lens filters, memory cards, lens rags and single stacked cords. Ironically it's the padding in this compartment that limits it's use. Still very minor issue and because it's so padded if you dropped it on it's top nothing would break.

Contents IN bag*: you can see from the photos everything layed out that fits IN the pack. So here is a brief run down. DSLR Nikon w/18-250mm lens, batteries & lots of em', camera Battery charger, lens cleaner, connectivity and charging cords, small note pad and pens, compact hand sanitizer x2 (in different pockets), gum and protein bars, 100' of paracord, toiletries, wipes, all my medications & vitamins (in an independent locking bag), large saline spray, 360 essential phone camera, earbuds, mini-mini trauma kit (tourniquet, 4@ 6x6 dressing, 1 @ 6x6 occlusive and tape) and some other small incidentals.

Items on the OUTSIDE of bag*;
Gerber StrongArm, Gerber multitool, Revo sunglasses & eye glasses in case, pouch for gloves (3 pairs of nitrile and 1 leather insulated), Surefire flashlight, Orca water pouch w/ 32oz Nalgene bottle and hand towel with protein bars in front pouch, Anytone HAM mobile transceiver, 2 shackles, on front sling strap it has a Gerber cord/strap/belt cutter.

Transportation; Why a sling?
Putting a backpack on over a big winter coat is a hassle just to walk to and from a parking lot. So I prefer to one shoulder my bag and unfortunately most comfortable backpacks slide off too easily when you one shoulder them and want to have your hands free. This one is much easier. I can one shoulder it and walk my dog while holding my coffee or whatever in other hand during the jurney to and from parking. Something I couldn't do with my Pacsafe bag (another great product btw). Which is important because just like my camera my dog comes with me to work everyday. Plus, It's not only easy it's comfortable in either a one shoulder or cross body position.

Security;
The bag is very well made and tough. Making it very difficult to slash and grab items from inside, unfortunately the zipper pulls have no method of security and a good pickpocket could easy gain access. So I have some D clips on the Molle mounts to secure my zipper pulls making it more of a challenge to access and as a deterrent.

Zippers and pulls;
Zippers are hands down high quality. However, Some of the pulls came untied and they are small. I re-tied them at first and they stayed but since they are small and I have lots of add-ons I decided to make my own using paracord for easier access and to lock into my D clips easier.

Camera storage;
Yes, I carry a big-ol' DSLR everyday. Phone cameras just don't hold a candle to the real thing. This bag could be a 100% dedicated camera bag if you wanted. In fact I like it better than my massive camera gear backpack.

Hand gun storage;
For those of you wondering about hand gun storage. Yes you could do this in a number of pockets but there is no real dedicated concealment pocket just a pocket that has a Velcro pad. Nor does it come with a holster as seen in the description. I personally wouldn't store one like they show it anyway. The possibility of getting pick pocketted, bag stolen, slashed or riffled through when unattended is too risky. Be responsible, If you must carry an unlocked and loaded gun and have a CPP/CCP keep your pistol on your person at all times. Otherwise you probably don't need to carry. Also If you don't have a CPP/CCP you have no business carrying a loaded gun. Grow up.

Overall;
This is absolutely a 5 star bag. If I break it down to a scale of 1-100 it's a 98. I minused 2 only because of that single nylon inner pocket.

I hope this review and photos helped.
-T

*Disclosure; The pack does not include any of the additional pouches connected to or inside the bag as shown in the photos. Nor does it include any tools, equipment, water bottle, connectors or paracord webbing.

For me, this bag holds the following items without any MOLLE expansion pouches or jelly rolls:

2 Canon 5DmkII pro body DSLR
Canon 70-200mm IS II f2.8 L Lens with hood (usually attached to one of my two 5d's)
Canon 24-70mm f2.8 L lens with hood
Canon 16-35mm f2.8 L lens with hood
2 Canon 580 EXII flash units
12 eneloop AA bateries
4 Canon 5d batteries
70" Ravelli carbon fiber tripod (mounted to the side of the pack)
5 77mm lens filters
2 compact flash memory card cases
Basic cleaning utensils

Using two MOLLE jelly roles, and two 6"x4" pouches, I carry the following additional items:
Cleaning supplies (lens cloth, rocket blaster, sensor swipes, sensor and lens cleaning solution)
Fotodiox extension tubes (set of 3)
3 to 4 additional lenses, or, 2 lenses and a spare compartment for lens swapping/water bottle/misc gear

Hazard offers a lot of great MOLLE attachements for this pack, which is part of the reason I bought it. The modular design allows me to adjust things for the given task. I do, however, need to be very careful with how much weight I actually load. More on this later.

PROS:

* Well padded
* Carries lots of gear
* Tough outer shell, provides protection from the elements and moderate water resistance
* Well made, from the zippers to the pack design
* Excellent organizational pockets, for memory card cases, lens filters, batteries, business cards, ID badges
* Sling design allows you to access your gear on the fly without removing the pack
* Long and narrow form factor is ideal for crowded areas, plane rides, or stow and go situations
* One of the few genuine camera bags designed around the MOLLE system
* Looks tough, and will definitely make you standout from the weekend warriors
* Convenient and thoughtful placement of grab handles
* Priced fairly
* Excellent customer service from Hazard

CONS:

* Sling pack holds more than one shoulder should carry. With 30lbs of gear your shoulder will scream at you for purchasing this bag. Bad decision for people with weak backs, shoulder problems, or poor upper body strength.
* Pack does not fit snugly against my back (the might be due to usage, but this pack could use a light frame)
* No option for two shoulder straps, although the shoulder strap is well padded, and can be reversed if you start feeling the load
* No hip harness
* Pack has a tendency to bend a bit in the middle. Would be nice if it had more structural integrity, to stay flat against your back while in transit
* No rain jacket or waterproof zippers, although pack design is moderately water resistant I have found
* Main harness buckle is made out of plastic. I've broken two of them so far, although I've been very hard on this bag, carrying 30lbs to 50lbs for hours on end. That said, Hazard has been amazing in their customer service, and replaced them. They stand by their products
* Main harness buckle lock can easily be knocked/poked into the unlock position, and the main harness will instantly come undone if you are carrying more than 30lbs or someone is pulling on your bag

The Good parts:

I've owned this bag for almost 3 years now. It's held up exceptionally well. For the first two years, this bag made it with me into every nightclub and underground party in Chicago, several times a week, as an event photographer. It's been to dozens of rough-shod electronic music festivals. It has survived a wide variety of abuses during that time, from drinks being dumped on it, to being shoved around into walls, and even hitting the ground on a few occasions (with my body still attached to it, no less). All the while keeping my $14,000+ photo gear safe. It's slim form is great for dealing with crowds and maintaining a low profile while shooting on stage or in the pit. Comparatively speaking, the lowepro bags I own (which have also held up well) make me feel like a turtle while trying to move through a packed venue. Having the sling, while a negative in some respects, allows me to flip the bag around to my front side to secure gear and prevent pick pocketing in extremely crowded spaces. It's well-padded, and ready for the road. It fits into the overhead bins on an airplane, even when I'm the last passenger to board! This bag looks tough, and it is tough. Door guys often let me in, either by the dirty looks I give them, or because of how mean this bag looks. It also doesn't look like a bag full of photo gear (well, maybe with a tripod attached), so opportunists have less of an easy target.

The Bad parts:

My biggest complaint about this bag is the sling design. While good for some things, and visually appealing, it ultimately fails in balancing the load. I'm a tall guy with some muscle to my hustle; 6'3 210 lbs, and I've never had a back or a shoulder issue in my life. I can do 20 pull ups without breaking a sweat. However, this bag has broken me. My right shoulder had a dull ache in it for over 2 years. Even in my down time, I would go a month or two without using the bag, and my shoulder would still ache. Roughly six months ago, I switched the strap, so instead of resting on my right shoulder it now sits on my left. It's not as convenient on my left shoulder, but sure enough, my chronic right shoulder pain has completely vanished! I've come to realize that no matter how tough you think you are, there is no way you can carry 30 to 50lbs of gear on one shoulder, for several hours, and not wind up in pain the next day, or in my case, for months on end. During the Detroit Electronic Music Festival, I wore this pack pretty much non-stop, for over 12 hours a day. I was in so much pain by the end of the weekend, I could no longer sling it over my right shoulder. While the strap is nicely padded, that won't make up for the fact that you are carrying all of the weight your gear on one shoulder. Even if you only do two events or photo shoots a week, I would wager you will start to feel something from the imbalance this bag creates. I would give anything to have two slightly smaller but equally tough and well padded straps on this bag, perhaps with an option to turn one of them into a sling should I want to. It seems like it would be easy enough to do. It would be perfect; use two straps for walking, use one strap for field or event work. I like this bag so much in other aspects that I am considering paying someone $150 to modify it to my liking. This bag is great for travel, in terms of sticking it into tight places, but actually walking with it strapped to your back while fully loaded, sucks. Unlike an over-the-shoulder camera bag (which you can easily set down and pick up while you're not mobile), it can be a hassle to undue the plastic harness every time you want to take it off, and putting it back on will take some practice to do it smoothly. You can always leave the harness locked, and slide it over your head, although this would require undoing the safety strap. I've been buckling and unbuckling the main sling harness for 3 years now, and it's just not as smooth of a process as I would like (my wife, well accustomed to my ways, winds up a half a city block away from me by the time I get it buckled up). I've gotten good enough to be able to do it with one hand, but not to the point where I would consider this bag efficient enough for wedding photography... I have nightmares where I am chasing the bride and groom, two pro body dslrs in my hands, while trying to sling this pack over my shoulder.. I've also had issues with the buckle lock; event goers/party people/evil doers have bumped into me and either accidentally or deliberately hit the buckle locking switch, at which point, with over 30lbs in the bag, the sling completely unbuckles and the bag falls straight to the ground! The main buckle has a tendency to not stay buckled unless the lock is activated, at least in my case (although Hazard has confirmed that this is is a safety feature of the bag, which, strangely enough, makes sense to me). I had a drunk girl come up to me once and ask "what does this do?" as she pushed the buckle lock. Thank god for the safety strap, or I'd have lost several lenses by now. As another reviewer mentioned, there is a fray or two from the stitching, but this is nothing that I would consider an issue considering what I have put this pack through, and with the way everything is stitched, threads don't run. I wouldn't mind a little more rigidity down the spine, where the pack meets your back, as that tends to create a lot of instability while moving around. I've never been able to get the pack to sit as snug to my back as I would like, and there is a lot of pack back and forth movement while walking or managing tasks.

Bottom line:

This is an awesome bag. I love it, and I would recommend it to anyone based on it's build quality. I know I have spent a good portion of this review griping about shoulder pain and the sling pack design flaws, but it's still an amazing camera bag. I own at least 7 other bags, and though this isn't the greats bag to walk around with, and even though I tend to do a lot of walking, it's usually my first choice. I am very careful about how much weight I put in it. A camera body, two zoom lenses, a flash, and a tripod tips my max load. If you can keep your load weight under 25lbs, you might avoid the chronic shoulder pain I've encountered, or maybe I'm just not built to use a sling bag of this type. If you're young and you just want to look cool, who cares about shoulder pain? That's old man crap anyway. At 34, I don't exactly consider myself an old man, but I know there are a lot of young guns and hot shots out there that want image and functionality first, comfort later. This is your bag. I would give it five stars, but the sling design has a lot of drawbacks which I'd imagine apply to more people than just me. It would be simple to add two straps to this bag, with the option to use one as a sling.

I have quite a few bags. Maxpedition, MountainSmith, 5.11 etc. This bag and brand caught my eye recently. Although I love my Maxpedition Sitka with a few attachments, the Hazard 4 Plan B has a great vertical lenght of a tad over 19 inches. With the velcro dividers (had to buy extras), I was able to conceal my AR15 300blk pistol that has a Kak Shockwave buffer tube. So basically if you want to carry your AR pistol broken down, you can with tons of room to spare. Or anything else under 19 inches. There is a zipper on the top for a barrel tip to stick out but I dont plan on using it.

Aside from the many CCW carry options there is MOLLE up and down both sides to attach other pouches if need be, so thats a very nice option. The front of the bag also has 5 rows of webbing and a pocket. Two nice side pockets that are somewhat hidden, one of them perfect for a phone. Rear zipper on the very rear of bag can handle a large water bladder and has appropriate features for running the water tube through the main strap.

About sling packs, I didnt like them at first. If you load them up too heavy it will eventually put extra strain on one shoulder. This bag can be totally ambi and can easily be changed in the field unlike the Maxpedition Sitka. This bag also has a superior back padding and a great thick main strap with locking buckle.

IMO EDC packs really shouldnt carry over 15 or 20 lbs, but if I was to overload a bag, it would be this one.
If you want to pack an AR or other small pistol this is the way to go.

I have done my 8 mile walk with a full load including AR. Not bad at all. Some of their other products are also really nice. Check out the Varness.

6 ft 200 lbs, great fit for me. So long as you dont mind a pack going across your back diagonally you might like it too.
Great EDC or get home bag.

UPPDATE : 8 months later still like the bag. 2 tears in sling strap which is something my maxpeditions never had after twice the use. Mostly cosmetic, but still.

I love this bag, it has plenty of room and organization, with room to expand to fit my needs. This is my second Hazard 4 product and they hold up. Love it.

WOW! This has gotta be the single best camera bag I've ever owned!
This bad boy was built for battle... no, seriously.
And believe me, I do NOT say any of this lightly.

No, you don't have to carry your holstered weapon with this bag.
And no, you don't even need to own one to use this bag.

But know that this bag has been engineered with that tactical need in mind,
which personally gives me added confidence in its abilities under fire, so to speak.

Okay, all my love for this camera bag aside, I'll move on to the stuff you want to know.

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* Exterior Dimensions: about 22" x 9" x 10" (rounded up)
But that 10" can go down to about 8" if those external side pockets are kept empty.

* This pack is heavily padded on ALL sides, and has what feels like a moderately rigid frame.
It's certainly not a Pelican Case, but it's surprisingly rigid and stands up to a lot of weight.

* It has a rugged carrying handle at the top that can be unclipped and converted to a side handle.

* There are organizer storage pockets, one on top and two on the side, that are very well designed.

* It comes with four identical, heavily padded Velcro dividers (5" x 6" not including the Velcro flaps) for the internal compartment.

* The internal compartment is wide-open top-to-bottom, making it possible to carry a ridiculously long lens.

* Along with the tripod compression straps on the side, there is a flat pocket that you can get one leg
of your tripod into for added support, which will be very helpful for carrying a larger, heavy-duty tripod.

* And for that added touch, it has a wide compression strap on the bottom for your bedroll. Very nice!

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And let me add that the shoulder strap is just awesome!

* It's wide and heavily padded as well, with lots of extra attachment points for your gear.

* It's ambidextrous, allowing you to switch its lower attachment point from the left shoulder to the right.

* You can also remove the stabilizer-strap entirely. I really LOVE this feature, since I mostly just throw the bag
over my right shoulder and go, instead of putting the shoulder strap over my head and using the full sling mode.

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Hope that helps answer any questions you had regarding this incredible camera bag from Hazard 4.
Feel free to ask me any questions you still have in the "Comments" area and I'll get back to you as soon as possible.

Oh, and be sure to check out the photos I posted.
They'll give you a better look at this bag than just the two Amazon has available.

Cheers :)