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Author Topic: 6.04mm or 6.03mm tightbore?  (Read 2659 times)

Offline SilentDragon

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6.04mm or 6.03mm tightbore?
« on: April 18, 2006, 02:03:07 PM »
I was going to put a tightbore barrel in my AK.  I submitted not one, but two orders at WGCShop.com, and havn't got a reply yet (for payment and shipping).  I found some more barrel at UNCompany.com, but were a little more expensive.  For $52 (+S&H), i can get either a KM 6.04mm, or a Prometheus 6.03mm barrel.  Which should i get?  Thanks...

Art-
« Last Edit: December 31, 1969, 05:00:00 PM by SilentDragon »
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Offline Firehead

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« Reply #1 on: April 18, 2006, 02:05:18 PM »
Well, if its the same price, go with the Prometheus 6.03. Also, what kind of metal are they made out of?
« Last Edit: December 31, 1969, 05:00:00 PM by Firehead »
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Offline Gantaliano Hoff

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« Reply #2 on: April 18, 2006, 02:08:24 PM »
Don't the 6.03 barrels tend to have jamming problems more on full auto? I don't know if it's happened to you, but it sucks when your gun jams in the middle of a firefight.
« Last Edit: December 31, 1969, 05:00:00 PM by Gantaliano Hoff »
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Offline Firehead

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« Reply #3 on: April 18, 2006, 02:11:56 PM »
Well, I have yet to have a single jam with my AK. Though, it has a KM 6.04. I believe Spazz uses 6.03s on his guns, and I have never seen him jam.
« Last Edit: December 31, 1969, 05:00:00 PM by Firehead »
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Offline Phreakish

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« Reply #4 on: April 18, 2006, 02:14:26 PM »
so long as the bb's are good, why would it jam? cheap bb's with dia's that get larger than 6mm would jam, but decent ones shouldn't.
« Last Edit: December 31, 1969, 05:00:00 PM by Phreakish »
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Offline warlock

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« Reply #5 on: April 18, 2006, 02:16:13 PM »
The 6.03, in my experience, does not have a problem with jamming. It is, however, high-maintenance. Whereas with a regular barrel it is suggested that you clean your barrel after every game, with a 6.03 you MUST clean your barrel after every game, and sometimes in the middle of a game (if it's the longer kind of game).
« Last Edit: December 31, 1969, 05:00:00 PM by warlock »
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Offline IcePlatinumSky

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« Reply #6 on: April 18, 2006, 02:39:45 PM »
For myself I like the BS systema 6.04 your gun might start shooting hot if you go to a 6.03 depending on your current fps.
« Last Edit: December 31, 1969, 05:00:00 PM by IcePlatinumSky »
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Offline Dust2Dust

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« Reply #7 on: April 18, 2006, 02:49:32 PM »
I had a 6.03 in my M4, never had a problem.  Just use high grade bb's and you'll never have a problem.
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Offline SilentDragon

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« Reply #8 on: April 18, 2006, 04:20:57 PM »
Ok, cool.  Thanks a lot guys.  I'm gonna go with the 6.03mm Prometheus, and shoot just .25 High Grade BBs.  I should be good with that.  I'll also have to get into the cleaning habit.  8)

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« Last Edit: December 31, 1969, 05:00:00 PM by SilentDragon »
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Offline Phyrst

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« Reply #9 on: April 18, 2006, 05:12:55 PM »
I got 6.03 Prometheus's for both my M15, and G36, and was concerned with Jamming.  Ron at JT told me that the Excel BB's are manufactured with a slightly smaller diameter and recomended that I use them.  Sounded like good advice but have yet to test it in the field.

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« Last Edit: December 31, 1969, 05:00:00 PM by Phyrst »
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Offline -MAD- SARGE

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« Reply #10 on: April 18, 2006, 07:16:04 PM »
Quote from: "warlock"
The 6.03, in my experience, does not have a problem with jamming. It is, however, high-maintenance. Whereas with a regular barrel it is suggested that you clean your barrel after every game, with a 6.03 you MUST clean your barrel after every game, and sometimes in the middle of a game (if it's the longer kind of game).


I use a Prometheus 6.03 in my CA M4.  Only had 2 jams in 2 yrs of constant use and 3 Ops.  I use Excel or Infinity High Grade bb's.  I also never have to clean the barrel after every game, Infact I rarely have the chance now that I broke my cleaning rod.  So far I have played 5 games consecutively with no cleaning and no problems.  Just don't use your barrel as a shovel and you should be ok  ;)  Differences between a 6.04 and 6.03??? I have never owned a 6.04 but from what I hear the difference is negligible. But what does usually differ is the price, but as I have seen lately the 6.04mm's have raised in price to meet with the 6.03's at about $50.
« Last Edit: December 31, 1969, 05:00:00 PM by -MAD- SARGE »
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Offline E-raq

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« Reply #11 on: April 18, 2006, 09:57:46 PM »
So if you get a tight bore barrel it will in will increase your velocity?
« Last Edit: December 31, 1969, 05:00:00 PM by E-raq »
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Offline Gantaliano Hoff

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« Reply #12 on: April 18, 2006, 09:59:17 PM »
A little bit; maybe 10-15fps. The bigger thing you should look for is an improvement in accuracy.
« Last Edit: December 31, 1969, 05:00:00 PM by Gantaliano Hoff »
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Offline Firehead

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« Reply #13 on: April 18, 2006, 10:02:13 PM »
Yes. Why you ask? Becuase the smaller bore of the barrel puts a tighter seal of air around the BB, thus increasing how much air forces the BB foward.

In reguards to what Phryst said:

I'm not saying your wrong, but using a slightly "smaller" BB would negate the use of a tightbore barrel, wouldn't it? I mean, you are using a smaller bore barrel to decrease the amount of movement the BB has while it travels down the barrel. If you use a "smaller" BB it is going to do the same thing, than using a "normal" size BB would do with a standard barrel.
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Offline E-raq

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« Reply #14 on: April 18, 2006, 10:14:42 PM »
I would ask because I diddn't know...and I wanted to make sure that that it wouldn't increase me velocity to much as I'm borderline 380-400.
« Last Edit: December 31, 1969, 05:00:00 PM by E-raq »
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