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KWA M4A1 S-System In-Depth review

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Old August 20th, 2008, 17:04   #1
Skladfin
 
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KWA M4A1 S-System In-Depth review

REVIEW UPDATED REGULARLY

ROF Tests(All batteries fully charged):

Real Steel: 13 rounds per second, 800rounds per minute.


Sanyo 8.4v 600mah Nicd Mini Battery - 15 rounds per second - 900rds/min


Firefox 9.6v 2000mah Nimh Crane Stock Battery - 19 rounds per second - 1140rds/min


G&P 9.6v 3300mah Nimh Large Battery - 19.6 rounds per second - 1176rds/min


Morepower LiFEPo4 12.8v 1600mah Battery - 19 rounds per second - 1140rds/min


Firefox 11.1v 1600mah Lipo battery - 25rounds per second - 1500rds/min

So I finally decided to do a review of the KWA M4A1- S-System after gaming it a total of 6 games.

I've read a couple of other KWA review but they weren't very in-depth and have not used Lipo battery like this SHOULD be used with.

-Hop up unit is NOT TM compatible(i will explain in detail later)
-The inside of the hop up rubber that pushes onto the BB is H-shaped unlike others
-inner barrel is 395mm, not 363
-The sector gear has a sector clip installed to eliminate any BB misfeeding. Even at 30BBs per second.
-Uses 2 piece hop up, there is a reason why they didn't use 1 piece(explain more later)
-Fuse is rated too low for lipo. its rated for only 15A, i reccomend replacing the fuse with 20A or even 25A fuses.
-Many improvements inside the gearbox to make the tuner's life much easier(explain in detail later)



KWA M4A1 on 11.1v Lipo(12C)
The video is NOT to show the accuracy, but showing the rate of fire.
- The grouping is very big because it was VERY hard to control the recoil at 25 of them per second...
- The gun is upgraded, it does not reflect the accuracy of the stock KWA gun.
- The shots are lower than the targer because the Scope was not zeroed.

Last edited by Skladfin; September 8th, 2008 at 21:21..
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Old August 20th, 2008, 17:08   #2
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Seeing as how I'm seriously considering the KWA S-system I'll be looking forward to this review.
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Old August 20th, 2008, 20:45   #3
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any more interests?
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Old August 20th, 2008, 20:57   #4
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count me in, I've been wanting to get this for a while. Basically you're paying $50 more for the RIS right?
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Old August 20th, 2008, 20:58   #5
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I'd be interested, for something to read!
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Old August 20th, 2008, 21:50   #6
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count me in too
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Old August 20th, 2008, 21:55   #7
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Just received mine yesterday A freakin Day early sweet.It looks as awsome as i thought, weight is Very nice and with the new King Arms Tromix Shark Muzzle Brake Flashider it is definatly a kick ass lookin gun The LiPO isnt here yet but terry has one that i will probably test it out tonight ill let ya know how that goes.The Trades on the gun are very nicely done Stickers were a pain in the arse to get off the stock flashider was bright orange and apperantly the colour is somehow infused with the steel so stripin it is outa the question supposed to use sandpaper and paint over it......me i just replaced it...LOL. The Sound of this monster is just that a Monstorous with a 8.4 mini cant wait to hear it on a LiPO

So ya im interested in your review as well
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Old August 20th, 2008, 22:01   #8
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Hey ! I don't want to pollute this review, but just want to save people from KWA. I bought an KWA KM4A1 about a month ago and I used 11.1 v Lipo for all the time, It's quite pretty good with Semi but with Auto, never and never use 11.1 v Lipo with Full Auto, It will riped out your gear inside the mechbox, it would be good if you use Lipo under than 11.1 v. It's just advice to my experience with KWA.
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Old August 20th, 2008, 22:20   #9
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Quote:
Originally Posted by KND View Post
Hey ! I don't want to pollute this review, but just want to save people from KWA. I bought an KWA KM4A1 about a month ago and I used 11.1 v Lipo for all the time, It's quite pretty good with Semi but with Auto, never and never use 11.1 v Lipo with Full Auto, It will riped out your gear inside the mechbox, it would be good if you use Lipo under than 11.1 v. It's just advice to my experience with KWA.
ya it was clearly a lemon, that one doesnt reflect the WHOLE batch. So dont go around saying "Save people from KWA". It's doesnt really sound right when you say "Don't buy a KWA M4, I got one and mine was a lemon, so it didnt work right. If you get one its going to be a lemon too! Even though the lemon rate is like 0.001%!!".

But I actually do feel sorry for you, You must have a Godsend-Luck to get a lemon LOL

in any case Ill have a video posted up soon(shooting with lipo).

review should be done by tomorrow night with full pics.

Last edited by Skladfin; August 20th, 2008 at 22:37..
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Old August 20th, 2008, 22:28   #10
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cant wait to read the review.
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Old August 20th, 2008, 23:28   #11
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video is up

KWA M4A1 on 11.1v Lipo(12C)

The video is NOT to show the accuracy, but showing the rate of fire.
- The grouping is very big because it was VERY hard to control the recoil at 25 of them per second...
- The gun is upgraded, it does not reflect the accuracy of the stock KWA gun.
- The shots are lower than the targer because the Scope was not zeroed.

Last edited by Skladfin; August 20th, 2008 at 23:43..
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Old August 21st, 2008, 19:30   #12
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Can't seem to get the link to work - although several friends are able to watch the vid without issue.

Any chance you might do a writeup Sklad?
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Old August 21st, 2008, 19:41   #13
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ya im doing the write up right now, i got an unexpected shift for tonight for work so I can't finish up the write up till tomorrow

btw the video only shows the rate of fire =\
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Old August 21st, 2008, 19:53   #14
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Originally Posted by Skladfin View Post
any more interests?
Count me in too. Very interested on your review Skladfin
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Old August 22nd, 2008, 14:08   #15
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nice video, you must have bbs everywhere in your house!
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