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DBoys/KALASH RK08 AK105


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#1 kalashnikov1

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Posted 05 July 2011 - 03:33 PM

NOTE: THE FOLLOWING IS A COMPILATION OF MY REVIEW AND SEVERAL UPDATES OVER THE COURSE OF SEPTEMBER 2010 TO JULY 2011. MORE WILL BE ADDED AND IT WILL BE ALL EDITED INTO ONE FORMAL REVIEW.

Sept 13, 2010, 7:13pm

Ok, so here's going to be an in depth review on this brand new AEG. It'll be over an extended period of time, and will be updated frequently.

I just got this in so for now here's what I can tell you:
This thing is pretty much a perfect clone of the VFC, and is definately worth every penny externally. Everything that should be metal is metal, and everything that should be plastic/polymer is plastic/polymer. The gun is full steel, save for the outer barrel, but only a few inches of that is exposed and shouldn't be of any worry. There's lots of details, serial numbers and all the trademarks that appear on the real steel version. The gun is extremely solid, no stock wobble or anything, save for a small amount of movement on the upper handguard, but that should be easy to fix with some electric tape. The receiver has a very nice texture, and the gun has a nice weight. It comes with the correct orange flash hider, with the cone painted bright orange. We'll take care of that soon. The gun comes in a nice box, that is packaged well. Include are an 8.4v stick battery, wall charger, a very nice sling, manual, cleaning rod, and some bb's.

Pictures will be uploaded soon, within the next few days. So be expecting that as well as a chrono and stock performance results.

Sept 14, 2010, 5:59pm

Ok, so I was able to chrono it last night. Shoots consistently 360-361 on Bioval 0.25's, shot 14 rps on a half charged 9.6v stick battery. Pics will be up tonight!

Sept 14, 2010, 10:00pm

Ok, so here’s the pics, as promised:

The box. Nice design, fancier and more presentable than your usual CYMA box.
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The side of the box, marks which one of their AK’s you got, as they all use the same box.
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Here’s how everything comes as packaged. Nice and neat, everything tight in it’s place.
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The manual. Better than most ACM manuals you’ll get. Has the basics on all AK series, and gets into details for the specific model as well.
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Stock battery. 8.4v 1100 mah. It’s ok for a while but personally I’d use a 9.6v at least.
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Standard wall charger. I use a smart charger, so I have no need for this one…
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The included sling. Very nice, and excellent quality. Much better than any sling I’ve got with an ACM gun.
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Here’s the mag. It’s a 500 round hi-cap mag. I have two others of these that I’ve been using in my AKS74U, no problems at all, feeds well and locks well into the magwell.
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And finally the gun. Left side, stock folded. Very nice.
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Left side, stock extended.
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Right side, stock folded.
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Right side, stock extended.
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Here’s the gun with the magazine in. No wobbles.
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Right side of the stock, has the groove just like the real one indicating that it fires the 5.45mm round, nice texture, and very solid.
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Here’s the buttplate. It’s comfortable I guess you could say, not the stock release button.
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Rear sling point. Its on the right side, very solid.
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Here’s the right side of the stock. The groove is to not interfere with the side rail.
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Here’s the stock release button to release the stock from the extended position.
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Pistol grip. Its nice, a little smoother texture than the one on my CYMA AK’s.
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Seam line, tsk tsk.
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Trigger and trigger guard, steel.
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Different angle, once again all the metal parts are steel, minus the outer barrel.
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Here’s the selector lever. Moves smoothly and stays in place.
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It’s held down by a screw that can be removed with pliers, prone to scratching.
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And, here’s the right side of the receiver, once again full steel. It has a very nice sort of pebbled texture.
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Serial number on the bolt, very nice detailed touch by Kalash/Dboys.
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Receiver markings, AB is full auto, OA is semi auto.
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Right side of the receiver with side rail for mounting optics.
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Star logo and serial number on receiver, serial number on receiver cover, very nice detail. I forgot if the star is for Tula, or Isvesk…
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Right front or receiver, notice the stock retaining clip. Locks in place very solidly.
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Here’s the receiver cover. Same texture as on the receiver, its steel.
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Here’s the bolt assembly. This is the VFC style, different than Marui.
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The bolt itself.
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Here’s the top of the gearbox and hopup, as well as the battery space. You will have no problem fitting a 12v and you will have plenty of space for even more cells or one of the super long stick batteries if you wish.
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Clear hop up assembly and spring, VFC style once again.
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From the left side.
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The rear sight. Nice white markings.
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Front trunnion.
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Move the lever upwards so you can remove the top handguard.
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Top handguard removed. It wobbles a little bit, but it can be fixed with some tape.
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The outer barrel, the only non-steel metal part on the gun.
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The lower handguard. The handguards are made of polymer.
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Handguards on the gun, right and left sides.
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The gas tube, outer barrel, and cleaning rod.
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Front sight.
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The flashider, with ugly orange tip, soon to be taken care of.
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Sept 15, 2010, 4:50pm

I re-chrono'd it with fresh batteries. With the stock 8.4v, it shoots 13 rps. With a 9.6v, it shoots 15 rps. I was expecting a little more from the 9.6v, but maybe it shot slower than expected because of the adapter I used adding extra electrical resistance.

I'll have an internal report soon, still deciding if I'll use it this weekend or not.

Sept 17, 2010, 6:15pm

Shot it outside for a bit. I used almost 2 magazine's worth of bb's so a bit less than 1000 rounds...

Shoot's nicely, nice rate of fire and decent accuracy and range. It misfed though, not sure if I just need to oil it or something.

Took it apart, internal report coming soon. After that I'll post results after my super fine tuning/optimization.

Sept 18, 2010, 9:44pm

Internals pics:

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Nov 11, 2010, 6:26pm

Forgot to update, did some finetuning and some minor upgrading... The spring settled to around 325 on 0.25's, the nozzle is a bit leaky, my spare Tokyo Marui nozzle was too short and caused misfeeds. I installed an AB mosfet, 16 gauge wiring, and Deans connectors, did my complete fine tuning (if you want to know what is included just ask) and I installed a Systema bucking and SCS. The hop up lever doesn't push enough on the SCS so I might put the stock nub back in for more hop. The misfeeding problem I had before is gone.

In the future I might put in an SP130 I have laying around, and a torque motor, but for now we'll leave it as is and maybe tinker a bit more.

I'd recommend this gun, the externals far outweigh the internals, but the internals are good for a stock ACM as well. Good luck finding one though, they're out of stock everywhere in the US and very few HK retailers have them.

Nov 21, 2010 at 4:25pm

So I put the regular hop up nub back in and now its great. The only actual upgrade parts are the Systema bucking, and the AB mosfet... With a 9.6v I get an excellent rate of fire of 17 to 18 rps and excellent range. No need to use my 11.1v. At medium range its deadly accurate, and at longer ranges man sized targets can be easily hit with a short burst. I think I'll leave it as it is for now, and maybe in the future I'll install an SP130 spring, and use the 11.1v lipoly.

Nov 24, 2010 5:31pm
Shooting it outside with the King Arms 11.1v 1600 mah 12c lipoly, the rate of fire is great, around 22 rps, but you really gotta wind the magazine for it to keep up.

Jan 28, 2011 10:14pm

Opened it up tonight after several thousand rounds and the internals are good as new... absolutely no wear on the piston or gears. Air seal has help up well, the stock air nozzle still leaks a little, but I put some thick silicon grease on the cylinder head nozzle and it should hold up until I get a CA or Deepfire M4 length nozzle. I installed an Element G2 sector clip and now it feeds flawlessly even at high rof. Consistant 330 fps on 0.25 (370-380 on 0.20) at 21 rps.

April 19, 2011

Internal video:
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July 5, 2011 1:44pm


Wow, update time. Copied from my local forum.

Update #1
With the correct tuning an M130 will be fine on all stock parts. Rate of fire won't be too fast however. Probably the weakest point would be the stock bearings, but you could get metal bushings for $5. I've been running mine at 30 rps with a G&P M120 motor and an 11.1v on stock bearings, spring, gears and piston, no problems at all, not a single hiccup. Of course, I've spent time shimming and tuning, etc so I've had no problems. As we speak I'm installing an Element Max Speed motor which will put it closer to 40 rounds per second on my highest discharge 11.1v, still using the stock parts. I'll let you know how that turns out. This gun is one of the better ACM AK's both internally and externally.

Also I gained a 25 fps just from putting in a little bit longer air nozzle, I used a CA M4 air seal nozzle, and now I'm getting 360 on 0.25's, so 400 - 410 on 0.20s. Since the barrel is about 400mm long, and the cylinder is a Type 0, you have a little extra volume that lets you use heavier bb's and actually gain power from it. As of now my only upgrade parts are:
CA M4 Air nozzle $10
Systema bucking $7
Mosfet About $3 of parts lol
Element G2 Sector clip $2
Element Max speed motor $25 (I was just using a cut down G&P M120 I had laying around)

The stock spring guide and piston head have bearings, so need to change those, the cylinder head seals well, and I've added a sorbothane buffer. Piston is excellent and has lasted several thousand rounds at 30 rps with very little wear. I've been getting 200 feet of range with this gun easily and its accurate at that range with 0.25 and 0.28.
This gun is the one that I've most likely got the most bang for my buck out of.

Edit: Just put in the Element motor, I'm at around 40 rps now.

Update #2
Fixed my selector problems, and now its even better than before...

Also, just ran a couple tests with the element motor...
25 rps on a half charged 9.6v mini battery
35 rps on half charged 11.1v 1600 mah 12 c, the weakest 11.1v I have

So my prediction of 40 rps on my 11.1v with the highest output 2650 mah 40c, is about right.

And I'm getting 355 fps on 0.25's, 400 fps on 0.20.

Still running stock piston, piston head, spring, spring guide, gears, bearings... pretty much everything in the gearbox is stock except the air nozzle. When the piston does break, I have an SHS piston waiting to go in. So far the Dboys stock piston has far exceeded my expectations. It is safe to say that with the right adjustments, pretty much any stock piston can be run at 30-35 rps reliably.

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Edited by kalashnikov1, 05 July 2011 - 05:17 PM.


#2 xSquirrelx

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Posted 06 July 2011 - 02:57 PM

Great... now you have me wanting one :lol:

#3 kalashnikov1

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Posted 06 July 2011 - 07:00 PM

There might be a couple floating around in HK.



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