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M4A1 6.01Vs 6.03 Testing


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#41 comatose1

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Posted 06 May 2011 - 09:10 AM

On the topic of EdGI barrels when can we expect to see some for the SR-10 coming in? :D

#42 sdk1968

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Posted 06 May 2011 - 07:43 PM

how about an update for you?

many of you will be surprised at this but hey thats why we test.


the EDGI 6.03 x 425mm barrel showed up today and i ran exactly the same tests on it as the others in this thread with the same bb's & targets.

guess what?

it has a perfect match hop up cut out with the factory KWA set up so it has much much better hop up control and you can over hop the bb real easy.

and overall that meant:  NOTHING.

still hit a man size target at 150' with darn near the exact same amount of shots and hit the 12" balloon head 5/10 on semi.

moving out to the 190' distance and it actually wasnt as good as the prommy/matrix barrel in 407mm.  this EDGI only hit 2/10 at this distance on head shots. body shots were still 5/10 but there was a lot more BB movement out there with this barrel.  

surprised me a good bit as from all the talk i was really expecting this to tighten it up.   it didnt and the 6.03 x 407mm Prommy barrel actually shot better overall.

my only guess on this is that the EDGI barrel will have a break in period since its one of those "yellow" barrels and the prommy was SS.... so maybe the "micro grooving" that Allizard mentioned will kick in after a few K's of BB's.

so far out of testing all the barrels listed below:

KWA factory    6.05 x 393
Prommy/matrix  6.03 x 407
prommy/matrix  6.01 x 407
EDGI           6.03 x 425

all with the same BB's and combo of BB's from the same distances at the same target...

the Prommy/matrix 6.03 x 407mm  has the best total/overall hits & grouping of any of these.

after a few thousand rounds will come back and compare the EDGI again and see if its any better then.

with that i'll say that this was MY results and yours may be completely different in any direction.

so let the naysayers begin!    :shocked:

Edited by sdk1968, 06 May 2011 - 07:44 PM.


#43 Ricochet808

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Posted 07 May 2011 - 04:18 PM

I have had amazing results with the .36 sniper grade BBs by madbull.

Running my SR12 with an M130 and an EDGI 6.03 I was getting 6-7 inch groupings at 150 feet. My gun was chronoing at 485fps with .20 KCS bbs.


Just saying, I have become a BELIEVER in heavy weight BBs. At least when it comes to "maxing" out accuracy.

I have no love for the "lessor" grade madbull BBs. The "sniper grade" BBs have served me very well and they hit with great authority.

I have found great faith in the KWA hopup system, great confidence in EDGI barrels..and GREAT RESULTS with KSC .25, .30s and Madbull .36s.

#44 sdk1968

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Posted 08 May 2011 - 03:38 PM

and yet another follow up on the barrels as this is actually a BARREL thread and not a BB thread...

we played several scenario's yesterday at an open play and since it was an OPEN.... that means you just burn thru the BB's.

i actually went thru over 4,000 25gr KSC perfects in 6.5 hours of play.   :thumbsup:

good news there is i got plenty of kills and had a great time.  even wore out a LIPO and had to switch to the back up.

more good news was that the barrel DID improve as the day went on.

im not sure if the new KWA hop up bucking got broke in or if it was the barrel "wearing in"... but my groups and shots tightened up all day long...

so maybe it was the "micro grooving" that ALlizard was talking about.  

im just gonna run this thing as is for a while and keep reporting back the progress to you guys.    :blink:

#45 gcw360

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Posted 08 May 2011 - 04:12 PM

I'm a believer in micro honing, or break-in or what ever you choose to call it.  With KSC .3 BB's I am hitting a 2 1/8" wide steel fence post at 60ft (Measured) 8/10 times with my KM4A1 and EdGI 6.01.  Now understand I am not saying that the grouping would be 2 1/8" because I am not measuring up and down.  But as far as side to side the gun is shooting lasers.  It amazes me every time.  
:hithearts:

#46 airsoft3r

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Posted 09 May 2011 - 05:39 PM

how are JBU barrels?

#47 Oligator

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Posted 09 May 2011 - 08:21 PM

What I wanna know is how you got a hold of a EdGi 6.01mm KM4-A1 barrel. lol

#48 TastyGohan

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Posted 09 May 2011 - 09:19 PM

EdGI 6.01 509mm with a SR-12 using a sp140. Hitting about 450ish fps with KSC .3. I've managed to hit a .73 cm (For those who say bull, I went and got the piece of twig that snapped off and used a caliper to measure it.) branch/twig from about 70ft. No bipod or support besides my arms and shoulder.

Prommy 6.03 509 mm with a SR-12 stock was...crap for me. They all curved left after about 30 meters. And the barrel did not like the hop up at all.

Stock KWA barrel was actually pretty good. Better than the prommy for me.

I think that besides what type of BBs you use and what barrel, you need to consider how the hop up sits, how the bucking sits, how your sights are aligned and your mentality among other things.

Changing your barrel in a KWA is similar to getting new headers for an Evo. You don't need it to make it amazing, it already is.  :thumbsup:

That being said, you also need to get pissed drunk and do this barrel test. It's a +10 to acc stat bonus, but it's also a -20 intelligence stat penalty. Not a joke. :gun:

#49 SVT Cobra

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Posted 10 May 2011 - 01:47 AM

:withstupid:  Probably the only useful bit of information you provided was that the Prommy barrel did not fit well in the stock KWA chamber lol.

I recently found out that Dwain Dees (maker of Dees Custom Barrels) has started business up again and is now selling his barrels under a new name; Precision Combat Technologies. I had very good results with a broken-in 6.01 x 430mm DBC barrel in my VSR 10. I remember when I first got the barrel the accuracy was not so great, but sure enough after about 3K rounds, the performance was very admirable to say the least.

Considering how I shoot Bioval 0.30g bbs almost exclusively, I opted for a PCT 6.01 x 509mm barrel for my KWA SR12 since Biovals have a smaller diameter ~5.92mm whereas most bbs have an average diameter of ~5.95mm. If you take the difference in clearance (6.01 - 5.92 mm) you will see that his setup is equivalent to running a 6.04 and shooting 5.95 bbs.

I installed the barrel tonight and the fit within the hop-up unit was perfect. Everything lined up very well and the bucking had the same tight fitting as it does on the stock SR 12 barrel. My rifle shoots 498 FPS with the stock barrel and I will chrono the rifle with the PCT barrel tomorrow and update this thread with my results. I also have a large game this Saturday, so I will be sure to report back some actual field testing.

Edited by SVT Cobra, 10 May 2011 - 01:48 AM.


#50 NoveskeBeast

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Posted 10 May 2011 - 07:53 AM

View Postgcw360, on 28 April 2011 - 06:10 PM, said:

Just curious, any opinions on Javelin .25's especially in TBBs.  :gun:
If you're using a 6.01, don't do it.
Javelins have a slightly larger diameter than most BBs (5.97-5.98), because of this they cause alot of jams. A friend of mine was testing out various BBs through his Madbull 6.01 on a high ROF setup,and when testing out the javelins, they ended up damaging the bore of the barrel.

#51 sdk1968

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Posted 10 May 2011 - 07:57 AM

View PostOligator, on 09 May 2011 - 08:21 PM, said:

What I wanna know is how you got a hold of a EdGi 6.01mm KM4-A1 barrel. lol

he's out of 6.01's and he only has some 6.03's in 425 and 509 in stock now....   but its at CRAZYCROMAGS.com.....  dude has some really good prices on KWA factory stuff.

hate to say it but its cheaper to get 2gx buckings from him than it is HERE!  KSC perfect BB's as well.

#52 xKingSizex

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Posted 10 May 2011 - 08:54 AM

That's on purpose, we are not out to compete with our Authorized Resellers and mark the items at MSRP instead of retail price. We would rather you support your local retailers.

#53 s197

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Posted 10 May 2011 - 11:49 AM

View Postsdk1968, on 10 May 2011 - 07:57 AM, said:

he's out of 6.01's and he only has some 6.03's in 425 and 509 in stock now....   but its at CRAZYCROMAGS.com.....  dude has some really good prices on KWA factory stuff.

hate to say it but its cheaper to get 2gx buckings from him than it is HERE!  KSC perfect BB's as well.

Doesn't seem that cheap, the 6.03 509mm is $95 from that website whereas the 6.01 is $80 in the pro shop.  Although it's an option if you want one right away.  I have a feeling that's not the KWA model of the EdGI barrel though.

KWA is talking to another barrel manufacturer (won't say who) so hopefully they'll be another alternative soon for those who want a 2GX compatible barrel.

#54 sdk1968

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Posted 10 May 2011 - 01:25 PM

View Posts197, on 10 May 2011 - 11:49 AM, said:

Doesn't seem that cheap, the 6.03 509mm is $95 from that website whereas the 6.01 is $80 in the pro shop.  Although it's an option if you want one right away.  I have a feeling that's not the KWA model of the EdGI barrel though.

KWA is talking to another barrel manufacturer (won't say who) so hopefully they'll be another alternative soon for those who want a 2GX compatible barrel.

if you read the post, i was talking about the BUCKING & BB's....

the barrels were just average priced but they are the actual KWA approved barrels with the exact hop up bucking cut out as my factory KWA barrel.  EDGI is the only approved barrel that i know of with that correct cut out.

but im all for any brand that KingSize and ALlizard say is compatible if there is another one to show up.

im pretty happy with this one and we'll see if it continues to improve.

#55 gcw360

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Posted 10 May 2011 - 02:35 PM

View PostNoveskeBeast, on 10 May 2011 - 07:53 AM, said:

If you're using a 6.01, don't do it.
Javelins have a slightly larger diameter than most BBs (5.97-5.98), because of this they cause alot of jams. A friend of mine was testing out various BBs through his Madbull 6.01 on a high ROF setup,and when testing out the javelins, they ended up damaging the bore of the barrel.

Thanks.

#56 gcw360

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Posted 10 May 2011 - 02:37 PM

View PostOligator, on 09 May 2011 - 08:21 PM, said:

What I wanna know is how you got a hold of a EdGi 6.01mm KM4-A1 barrel. lol

In my case it was a long time ago when they first came out.  I think it might have been pre-Moderator days.  :gun:

#57 Alpha83

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Posted 18 May 2011 - 02:47 PM

Sounds like something in your barrel or just bad batch of bb's - or both. do you clean your barrel after every use? and did you clean your barrel after every distance change in your experiment?

From my experience and from listening to others over the years.

Sr-10 and like rifles: 6.03  more accurate out past 100'

Sr-7 and other CQB rifles: 6.01 more accurate inside 100 - 150'

However, it's all personal preference you can use either barrels in both rifles. and depends what distances you engage your targets.

I do have a PDI 6.01 on a sniper set up, not super impressed, but it is nice, especially since most engagements with it are at around the 100' or slightly under. Most fields I go to in Illinois are in dense forests with no 200' openings. and if there is an opening usually trees and bushes are in the way of the shot.

I also have 6.03 and 6.01 barrels in my pistols, both work great. My KSC M17 with 6.01 for one reason or another is slightly more accurate under and up to up to about 30'. After that it doesn't matter what barrel you use.

In all reality though, unless you are training for the Olympics in the soon to be popular Airsoft Target Shooting Event, these nominal margins of "can I hit a small paper plate at 100' with maybe a half inch tighter group every so often" is not going to make or break your game. I don't think the person you tag out of the game is going to notice if they were shot with a 6.05 or a 6.01 barrel. In a hectic fire fight (air fight?) that .04 mm difference isn't really going to matter all that much.  

I read time and time again the open ended argument over which is better and neither side is ever going to convince the other. The truth is like real firearms, you can have two of the exact same guns and shoot the exact same ammo from them and one will like that ammo better than the other. The same with these barrels and bb's. You can have two of the same guns with same TTB's and bb's and one might be a bit more accurate over the other. One might like KSC ammo, another King Arms, yet another may like Bioval BBB. Some PEOPLE get better marks using .25 where others swear by .30. It Is all a matter of get out there and experiment with your gear and find what YOU like and what shoots best for your set up and your gun.

That's just an opinion, I could be wrong.

Just remember - Different strokes for different folks!


Or better yet, you can just carry both barrels (6.01,6.03) with hop ups attached with you in the field. If you aren't getting the accuarcy you feel you deserve, just switch out the barrels in the middle of a gun fight. You can have your cake and eat it too !  :gun:

Edited by Alpha83, 18 May 2011 - 03:06 PM.


#58 sdk1968

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Posted 18 May 2011 - 04:59 PM

we went to another game last weekend and this barrel(EDGI) has about 6K rounds thru it now.

as mentioned it just continued to improve or "wear in".  

its the 6.03x425 and for a M4 version i cant complain at all with what its doing.  there probably wont be anymore changes to this gun for a while now and heres what it looks like if you care.

Attached Files


Edited by sdk1968, 18 May 2011 - 04:59 PM.


#59 Alpha83

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Posted 18 May 2011 - 10:45 PM

View Postsdk1968, on 18 May 2011 - 04:59 PM, said:

we went to another game last weekend and this barrel(EDGI) has about 6K rounds thru it now.

as mentioned it just continued to improve or "wear in".  

its the 6.03x425 and for a M4 version i cant complain at all with what its doing.  there probably wont be anymore changes to this gun for a while now and heres what it looks like if you care.


That sure is purdy!  :dribble:

I like that digi pattern on the magpul parts, never seen that before. always just the solid colors.

#60 USAmade

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Posted 06 July 2013 - 05:32 PM

View Postgcw360, on 08 May 2011 - 04:12 PM, said:

I'm a believer in micro honing, or break-in or what ever you choose to call it.  With KSC .3 BB's I am hitting a 2 1/8" wide steel fence post at 60ft (Measured) 8/10 times with my KM4A1 and EdGI 6.01.  Now understand I am not saying that the grouping would be 2 1/8" because I am not measuring up and down.  But as far as side to side the gun is shooting lasers.  It amazes me every time.  
:hithearts:
Fond this one from way back
Gcw360 or other like to explain the process of micro honing for me in interested




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