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KM4 CQB


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#1 Shmoogly3

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Posted 22 August 2008 - 01:33 PM

In this thread anyone with a kwa m4 cqb will write a reply saying what kwa should improve on the km4 cqb for a future design of the km4 cqb. At the end of your post write one or two things you like about this rifle.

- The wire guard on the outside of the gearbox is made of very thin and cheap metal. It bends very easily and after being bent it is hard to open and close the top reciever of the gun.

- I do not like the adjustable stock, it is made of nice abs, but it wobbles alot and makes to much noise when soldiering your gun.

- kwa guns are supposed to be full metal (top and bottom reciever), but the top receiver is made of abs. It is very hard to notice, but I soon realized that it was plastic. It is not that big of a deal, because it is very thick and won't crack or wobble, but no matter how much you tighten your delta ring to this reciever the barrel will move slightly. It takes a while to notice, but whats happening is the top reciever bends alittle because of it's abs construction, therefore the outer barrel moves slightly.

- The large stickers on the your gun that identify it as a kwa were meant to stay on and they are very hard to take off. They are too bright and you can be spotted by your enemy in a game. This is why I took them off. After taking them off alot of the glue from the sticker stays on the gun and it recuires large amounts of scraping and normal wear from combat to fully remove this glue.

- The hop up bucking in the gun is not consistent in puting the same backspin on each ball.  I think its too thick.

- The spring guide does not have bearings on it and instead it uses a couple of bushings.

- What kwa should do is shorten the feeding tube in the mag well, so that instead of having 4 bbs left in the tube you'll only have like 1 or 2 bbs that you will have to tilt the gun upside down for.

- My last complaint and it's not really a complaint, is that the gun uses a small type tamaya plug, if uses din connectors it will give the gun an extra couple of rps, instead of the 28 rps you can get it up to the 30 mark.

I like about this rifle is that instead of using the usual screw or allen screw to secure the gearbox kwa uses the torque screws, what I like about these screws is that they do not strip as easily.

Thank you!

Edited by Shmoogly3, 22 August 2008 - 02:10 PM.


#2 DaTigah

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Posted 22 August 2008 - 02:19 PM

Wait. What? Huh!?? Sounds like you have a lot of experience in AEGs but something is telling me that you're mistaking your M4 CQB for some other brand.....OR YOU HAVE A REALLY BAD ROTTEN LEMON!

The only thing I would agree on is the fact that the stock does wobbles a little and the feed tube does hold 4 bb's left over... BUT NO BIGGIE, everything else is Perfect in my opinion.

In fact, why not post up some pictures of your "KWA" M4 CQB rifle and then things will be much clearer from there.

#3 Shmoogly3

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Posted 22 August 2008 - 02:24 PM

View PostDaTigah, on Aug 22 2008, 02:19 PM, said:

Wait. What? Huh!?? Sounds like you have a lot of experience in AEGs but something is telling me that you're mistaking your M4 CQB for some other brand.....OR YOU HAVE A REALLY BAD ROTTEN LEMON!

The only thing I would agree on is the fact that the stock does wobbles a little and the feed tube does hold 4 bb's left over... BUT NO BIGGIE, everything else is Perfect in my opinion.

In fact, why not post up some pictures of your "KWA" M4 CQB rifle and then things will be much clearer from there.

I love my kwa m4 cqb, what I'm just trying to do is get everyones cons about this rifle into one thread and than summarize what needs improving on this model. Than allizard or radix will see this and the problems will be resolved for any future models, so just address any things that you don't like even subtle things that don't really matter that much. It all helps! My camera isn't working and how do I post the pictures, do I have to put them on photo bucket first?

Edited by Shmoogly3, 22 August 2008 - 02:26 PM.


#4 Guest_allizard_*

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Posted 23 August 2008 - 08:32 PM

Thanks for the suggestion.  I'll address the following in RED.

View PostShmoogly3, on Aug 22 2008, 02:33 PM, said:

In this thread anyone with a kwa m4 cqb will write a reply saying what kwa should improve on the km4 cqb for a future design of the km4 cqb. At the end of your post write one or two things you like about this rifle.

- The wire guard on the outside of the gearbox is made of very thin and cheap metal. It bends very easily and after being bent it is hard to open and close the top reciever of the gun.

The Wire guard?  I have no idea where are you taking about.  How about some pictures and arrows?



- I do not like the adjustable stock, it is made of nice abs, but it wobbles alot and makes to much noise when soldiering your gun.
A few electrical tape will stop the wobbles.  If you haven't notice, not just KWA, ICS, VFC also have similar issue.  Oh yah... even REAL ARs also have similar issue.


- kwa guns are supposed to be full metal (top and bottom reciever), but the top receiver is made of abs. It is very hard to notice, but I soon realized that it was plastic. It is not that big of a deal, because it is very thick and won't crack or wobble, but no matter how much you tighten your delta ring to this reciever the barrel will move slightly. It takes a while to notice, but whats happening is the top reciever bends alittle because of it's abs construction, therefore the outer barrel moves slightly.
errmmm  last I check my CQB the top receiver is 100% metal.  I'm not sure how you determine it's ABS.  



- The large stickers on the your gun that identify it as a kwa were meant to stay on and they are very hard to take off. They are too bright and you can be spotted by your enemy in a game. This is why I took them off. After taking them off alot of the glue from the sticker stays on the gun and it recuires large amounts of scraping and normal wear from combat to fully remove this glue.
Orange oil, Alcohol does wonders removing glue residue.


- The hop up bucking in the gun is not consistent in puting the same backspin on each ball.  I think its too thick.
KWA is currenty looking into improving the bucking


- The spring guide does not have bearings on it and instead it uses a couple of bushings.
A bearing spring guide is NOT necessity. In fact i like the loose bushing design.  It's more efficient then bearing.


- What kwa should do is shorten the feeding tube in the mag well, so that instead of having 4 bbs left in the tube you'll only have like 1 or 2 bbs that you will have to tilt the gun upside down for.
It's standard measurement if you want to use anything TM compatible.  Even with a 1 piece hopup unit.  You'll get about 4 bb's drop out as well.  I don't think there is much we can do.


- My last complaint and it's not really a complaint, is that the gun uses a small type tamaya plug, if uses din connectors it will give the gun an extra couple of rps, instead of the 28 rps you can get it up to the 30 mark.
I like deans too but not everyone in the world use it.

I like about this rifle is that instead of using the usual screw or allen screw to secure the gearbox kwa uses the torque screws, what I like about these screws is that they do not strip as easily.

Thank you!

I do agree there is still plenty of room of improvement.  Our engineers will examine every valid suggestions closely.

#5 Shmoogly3

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Posted 24 August 2008 - 10:14 AM

View Postallizard, on Aug 23 2008, 09:32 PM, said:

Thanks for the suggestion.  I'll address the following in RED.



I do agree there is still plenty of room of improvement.  Our engineers will examine every valid suggestions closely.

Will kwa make a 2009 version of the km4 cqb?

#6 Shmoogly3

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Posted 24 August 2008 - 11:08 AM

Thanks for the suggestion. I'll address the following in RED.


QUOTE (Shmoogly3 @ Aug 22 2008, 02:33 PM)
In this thread anyone with a kwa m4 cqb will write a reply saying what kwa should improve on the km4 cqb for a future design of the km4 cqb. At the end of your post write one or two things you like about this rifle.

- The wire guard on the outside of the gearbox is made of very thin and cheap metal. It bends very easily and after being bent it is hard to open and close the top reciever of the gun.

Your reply- The Wire guard? I have no idea where are you taking about. How about some pictures and arrows?

My reply- I am talking about the wire guard plate that connects to the gearbox on the outside to protect the wiring. Its right by the hop up feeder tube.


- I do not like the adjustable stock, it is made of nice abs, but it wobbles alot and makes to much noise when soldiering your gun.
Your reply- A few electrical tape will stop the wobbles. If you haven't notice, not just KWA, ICS, VFC also have similar issue. Oh yah... even REAL ARs also have similar issue.

My reply- I know this, but I was thinking that kwa should make or use a stock like the magpul stocks that don't wobble.

- kwa guns are supposed to be full metal (top and bottom reciever), but the top receiver is made of abs. It is very hard to notice, but I soon realized that it was plastic. It is not that big of a deal, because it is very thick and won't crack or wobble, but no matter how much you tighten your delta ring to this reciever the barrel will move slightly. It takes a while to notice, but whats happening is the top reciever bends alittle because of it's abs construction, therefore the outer barrel moves slightly.

Your reply- errmmm last I check my CQB the top receiver is 100% metal. I'm not sure how you determine it's ABS.

My reply- I'm sorry I looked at the top reciever carefully and your right it is not made of abs construction, but it is definitly not as high grade metal as the bottom reciever. While the bottom reciever seems like it is milled from steel the top reciever seems like it is aluminum. It bends and with such a small part it would not bend if it was made out of steel.


- the large stickers on the your gun that identify it as a kwa were meant to stay on and they are very hard to take off. They are too bright and you can be spotted by your enemy in a game. This is why I took them off. After taking them off alot of the glue from the sticker stays on the gun and it recuires large amounts of scraping and normal wear from combat to fully remove this glue.

Your reply- Orange oil, Alcohol does wonders removing glue residue.

My reply- I used alcohol, I know, but it still didn't take it all off and it required normal wear for it to come off.


- The spring guide does not have bearings on it and instead it uses a couple of bushings.
A bearing spring guide is NOT necessity. In fact i like the loose bushing design. It's more efficient then bearing.

My reply- how can loose bushings be more effecient than bearings. If you want to get alittle more techincal loose bushings will rubb against each other and cause more friction without the bearings to help the bushings rotate and move around. Little stuff like this is not really a big problem, but every little improvement together matters alot.

- What kwa should do is shorten the feeding tube in the mag well, so that instead of having 4 bbs left in the tube you'll only have like 1 or 2 bbs that you will have to tilt the gun upside down for.

Your reply- It's standard measurement if you want to use anything TM compatible. Even with a 1 piece hopup unit. You'll get about 4 bb's drop out as well. I don't think there is much we can do.

My reply- Theres nothing you can do! There is something kwa can do, it's alittle something called patent pending. Make your own feeding tubes, and make it a kwa signature thing. Why would you want to follow another company like tm. I know that right now it is standard and every one likes tm compatibility, buy if you make this than instead of kwa following tm, tm will be following kwa and soon kwa will rise up and be the leading aeg manufacturer. Think about it and discuss it with your staff and company manager.

- My last complaint and it's not really a complaint, is that the gun uses a small type tamaya plug, if uses din connectors it will give the gun an extra couple of rps, instead of the 28 rps you can get it up to the 30 mark.

Your reply- I like deans too but not everyone in the world use it.

My reply- This is true, but maybe putting dean connectors as an option in your performance parts would be a good idea.

Kwa has the potential to be the leading airsoft manufacturer in the world, you guys just can't be afraid to put money down for new inventions. Little things evolve, so just think about kwa making all these little improvements to perfect there guns. That right there makes kwa's aeg's the best. Eventually kwa will stumble across different ideas and they will make it big. Kwa already probably has the best stock aeg for the money. If you think about G&P, there aegs are very expensive and in my opinion overpriced, but they overprise them, because they improve and perfect little things that needed improvements. Now if kwa did this and did this better it will make a difference. Now lets say kwa did do this and now they've made the perfect aeg, you have to sell it minimum price, so that it's affordable, but you still get profit. Now you have everybody talking about kwa's new aeg, soon everyone will want to by one, every airsoft retailer will try to get a hold of them and than you'll have other airsoft manufacturers like tm or G&G paying you so that they can use your patent. After a year or two you start making cool external parts and different versions of your perfected aeg's and people won't get tired of the same aeg, you won't become overrated. Just think about this and discuss this with your associates, maybe even call a meeting.

#7 Stealthmaster14

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Posted 24 August 2008 - 11:46 AM

You make good points, but I wouldn't want deans connectors on my guns.  Then I would have to get a solder gun, solder my batteries and my smart charger. This may be simple to do, but 20 RPS is almost too fast for me.  I wouldn't want anything higher.

#8 brooklyn468

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Posted 24 August 2008 - 06:07 PM

View PostStealthmaster14, on Aug 24 2008, 02:46 PM, said:

You make good points, but I wouldn't want deans connectors on my guns.  Then I would have to get a solder gun, solder my batteries and my smart charger. This may be simple to do, but 20 RPS is almost too fast for me.  I wouldn't want anything higher.

I'm with you. Deans connectors would be nice if they already installed Deans on my batteries, and if all other guns used deans, but since not, I see no reason to take apart a perfectly good battery to possibly raise the ROF. If I cared about high ROF, I would have gotten a 11.1 lipo, not an 8.4 NIMH.  :lol:

Are deans connectors smaller than small- type tamya?

#9 Stealthmaster14

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Posted 24 August 2008 - 06:10 PM

they are not as long, but I think they are slightly wider.

#10 brooklyn468

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Posted 24 August 2008 - 06:19 PM

View PostStealthmaster14, on Aug 24 2008, 09:10 PM, said:

they are not as long, but I think they are slightly wider.

Hmmm I might switch then...

Not for that extra RPS, because it is HARD to get that dang battery connected in my crane stock!  :lol:

#11 Shmoogly3

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Posted 25 August 2008 - 10:42 AM

View Postbrooklyn468, on Aug 24 2008, 07:07 PM, said:

I'm with you. Deans connectors would be nice if they already installed Deans on my batteries, and if all other guns used deans, but since not, I see no reason to take apart a perfectly good battery to possibly raise the ROF. If I cared about high ROF, I would have gotten a 11.1 lipo, not an 8.4 NIMH.  :lol:

Are deans connectors smaller than small- type tamya?
Well deans look totally different and they are shorter than the small type tamaya connectors. They boost your guns rof by liket 4-7 rps more.

#12 Shmoogly3

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Posted 25 August 2008 - 10:47 AM

View Postbrooklyn468, on Aug 24 2008, 07:19 PM, said:

Hmmm I might switch then...

Not for that extra RPS, because it is HARD to get that dang battery connected in my crane stock!  :lol:
If your going to go with deans connectors than get the G&P battery for you crane stock, they have one thats 10.8v and 9.6v. These are on evike. At evike you can even get a little converter piece for like $5. It converts your small type tamaya to a deans. If you go this route than instead of getting that 4-7 rps boost you'll only get like 2-3 rps more. The good thing about deans is that your trigger response is better than regular batteries, It's almost like using a lipo.

#13 brooklyn468

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Posted 25 August 2008 - 05:53 PM

View PostShmoogly3, on Aug 25 2008, 01:47 PM, said:

If your going to go with deans connectors than get the G&P battery for you crane stock, they have one thats 10.8v and 9.6v. These are on evike. At evike you can even get a little converter piece for like $5. It converts your small type tamaya to a deans. If you go this route than instead of getting that 4-7 rps boost you'll only get like 2-3 rps more. The good thing about deans is that your trigger response is better than regular batteries, It's almost like using a lipo.

Eh I'll think about it. I'm more in it for the space- restraints inside my crane stock. The ROF boost is just an added bonus.  :lol:

So do they sell tamya connectors at radio shack? I have 1 a few blocks away.

#14 vic_man4

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Posted 28 August 2008 - 10:28 AM

View PostShmoogly3, on Aug 25 2008, 11:47 AM, said:

If your going to go with deans connectors than get the G&P battery for you crane stock, they have one thats 10.8v and 9.6v. These are on evike. At evike you can even get a little converter piece for like $5. It converts your small type tamaya to a deans. If you go this route than instead of getting that 4-7 rps boost you'll only get like 2-3 rps more. The good thing about deans is that your trigger response is better than regular batteries, It's almost like using a lipo.

It wont boost your ROF at all, look at what your saying. tamaya to deans converter will just add more breaks in your wire thus LOSING ROF and trigger response. I would just rewire it myself, it isnt hard at all.

#15 karMeister

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Posted 28 August 2008 - 11:43 AM

View Postvic_man4, on Aug 28 2008, 10:28 AM, said:

It wont boost your ROF at all, look at what your saying. tamaya to deans converter will just add more breaks in your wire thus LOSING ROF and trigger response. I would just rewire it myself, it isnt hard at all.


now im confused...prog had too much to drink  :blink:

#16 Shmoogly3

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Posted 28 August 2008 - 12:24 PM

Dude deans connectors boost your rof alittle bit, it's not by alot, but they do. Now if you just get the little $5 converter piece than it probably won't boost your rof. Even large and small tamaya connectors have alittle difference in rof. The small tamaya connectors give better rof than large connectors, sounds crazy, but test it out. Get a chrongagraph that measures rps and try these different connections also use different batteries and you'll see what I'm talking about.

#17 Shmoogly3

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Posted 28 August 2008 - 12:25 PM

With dean connectors I've noticed that they boost trigger response more than raise your rof.

#18 brooklyn468

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Posted 28 August 2008 - 05:26 PM

View Postvic_man4, on Aug 28 2008, 01:28 PM, said:

It wont boost your ROF at all, look at what your saying. tamaya to deans converter will just add more breaks in your wire thus LOSING ROF and trigger response. I would just rewire it myself, it isnt hard at all.

No not adapter, the connector at the end. I was planning on taking off my small tamya and adding a deans, on both my battery and my KM-4a1.

My problem is charging. Would a converter work to charge it? I mean Large Tamya to Deans, just for charging? NOT FOR THE GUN JUST FOR CHARGING!!!

And I am having trouble finding this little piece of plastic and metal. Radio shack and Ace DO NOT have it. Radio Shack never has anything! :angry:

It would be even harder to stick yet another adapter in my crane stock  :lol: .

Might have to order that online. Shipping is going to butcher the price  :blink:

#19 vic_man4

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Posted 28 August 2008 - 06:23 PM

View Postbrooklyn468, on Aug 28 2008, 06:26 PM, said:

No not adapter, the connector at the end. I was planning on taking off my small tamya and adding a deans, on both my battery and my KM-4a1.

My problem is charging. Would a converter work to charge it? I mean Large Tamya to Deans, just for charging? NOT FOR THE GUN JUST FOR CHARGING!!!

And I am having trouble finding this little piece of plastic and metal. Radio shack and Ace DO NOT have it. Radio Shack never has anything! :angry:

It would be even harder to stick yet another adapter in my crane stock  :lol: .

Might have to order that online. Shipping is going to butcher the price  :blink:

Here are some on ASGI
http://www.airsoftgi...roducts_id=2807

Heres the secret to avoid shipping "rape"... email them or call them to place your order and since their small, ask them to ship it to you in regular mail, it may take A LOT longer, but it wont kill the price of it.

#20 Shmoogly3

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Posted 28 August 2008 - 06:44 PM

Yes a converter will work to charge it. What ever the converters for makes that battery work for shooting and charging. I never am on airsoft gi. I always order from evike. Does airsoft gi have good shipping?




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