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closed bolt vs open bolt

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a5Tpp789 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote a5Tpp789 Quote  Post ReplyReply Direct Link To This Post Topic: closed bolt vs open bolt
    Posted: 24 August 2006 at 10:41pm
what is the difference
if you put 500 dollars into an A5 it is still an A5
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tecumseh View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tecumseh Quote  Post ReplyReply Direct Link To This Post Posted: 24 August 2006 at 11:51pm
no moving part outside the gun with no bolt. less noise...
what?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DeTrevni Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 12:05am

Not really. As I understand it, a closed-bolt shoots the ball before it cycles, like pumps and 'cockers. Open bolts blowback, let a ball load, then fire it forward, like Tippies and Spyders.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote ekeboo Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 12:20am
Closed bolt= the bolt always being in the closed position. the gun then fires cycles the bolt back and then forward again to bring another ball into the breach. Open bolt is just the opposite.


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an94 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote an94 Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 1:11am

why most people dont know the dif is cause ATF made open bolt firearms illegal to make for the public (too easy to make into fullauto)

ie:

pre 1981 MAC-10=openbolt

post 1981 MAC-10a1=closed bolt

 

1 paintball gun package=$150
1 case of paint=$50
air & entry fee=$15
lighting up newbies all day long= Priceless
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Post Options Post Options   Thanks (0) Thanks(0)   Quote hybrid-sniper Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 1:12am

Originally posted by ekeboo ekeboo wrote:

Closed bolt= the bolt always being in the closed position. the gun then fires cycles the bolt back and then forward again to bring another ball into the breach. Open bolt is just the opposite.

That's it.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Styro Folme Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 5:04am

the only differance in perfomance is the sound, but who cares about sound?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote SSOK Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 11:39am
Are mags closed or open bolt?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rico's Revenge Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 3:54pm
Originally posted by Styro Folme Styro Folme wrote:

the only differance in perfomance is the sound, but who cares about sound?

 ????!!!!  Efficiency?   Shot to shot consistancy?   A closed bolt design is usually much more accurate.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote hybrid-sniper Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 6:30pm

A Viking gets a case pretty easily from a 68/4500 and it's open bolt.

I would think shot-to-shot consistency has more to do with the air supply than anything else.

It has never been proven (conclusively) that closed bolt guns are more accurate.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Monk Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 9:46pm
Originally posted by hybrid-sniper hybrid-sniper wrote:

A Viking gets a case pretty easily from a 68/4500 and it's open bolt.

I would think shot-to-shot consistency has more to do with the air supply than anything else.

It has never been proven (conclusively) that closed bolt guns are more accurate.



Tyger had a show on it. It really comes down to the player and recoil.

Automag is an open bolt.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ekeboo Quote  Post ReplyReply Direct Link To This Post Posted: 25 August 2006 at 10:37pm
Originally posted by Rico's Revenge Rico's Revenge wrote:

Originally posted by Styro Folme Styro Folme wrote:

the only differance in perfomance is the sound, but who cares about sound?

 ????!!!!  Efficiency?   Shot to shot consistancy?   A closed bolt design is usually much more accurate.




Prove it. Open bolts are way better if you ask me mags are the shizznit.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shadowminion Quote  Post ReplyReply Direct Link To This Post Posted: 26 August 2006 at 3:32pm
Originally posted by ekeboo ekeboo wrote:

Originally posted by Rico's Revenge Rico's Revenge wrote:

Originally posted by Styro Folme Styro Folme wrote:

the only differance in perfomance is the sound, but who cares about sound?

 ????!!!!  Efficiency?   Shot to shot consistancy?   A closed bolt design is usually much more accurate.




Prove it. Open bolts are way better if you ask me mags are the shizznit.

I think not,,, the difference , as far as I can tell between the open bolt and closed bolt is the inertia (think movement ) caused by the bolt cycling before , or after the shot .

Both systems do not fire the ball until the bolt is forward , the difference is the closed bolt systems , the bolt is forward and still when the shot is about to be fired . That "MAY" make the closed bolts marginally "More accurate" because nothing moves until after the trigger is pulled and the ball is propelled from the barrel .

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Post Options Post Options   Thanks (0) Thanks(0)   Quote michaela2z Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 9:19pm

While this is just a though at may be right, I don't know. But as accuracy goes it could be to do with inertia (as shadowminion says) which would make a closed bolt more accurate becase.....with an open bolt the bolt is back with the ball in the chamber, when the trigger is pulled the bolt goes forward and the ball is fired meaning when the ball is fired the only movement is the bolt moving forward giving the kick. But on a closed bolt the bolt starts life forward, then when the trigger is pulled the bolt comes back to chamber the ball then moves forward to fire the ball. Because the bolt moves forwards and backwards before the ball is fired the inertia would nearly cancel itself. Just a though, never really got too deep into the technical side of paintball so the thought never really crossed my mind.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote jerseypaint Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 9:37pm
Way to necro.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carl_the_sniper Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 9:49pm
Originally posted by Rico's Revenge Rico's Revenge wrote:

Originally posted by Styro Folme Styro Folme wrote:

the only differance in perfomance is the sound, but who cares about sound?

 ????!!!!  Efficiency?   Shot to shot consistancy?   A closed bolt design is usually much more accurate.

I don't think it's been proven either way
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Post Options Post Options   Thanks (0) Thanks(0)   Quote usagi.tetsu Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 9:49pm
Open vs. closed bolt is an old, old topic of discussion in paintball. Some articles and posts for edification: one over on Custom Cockers directly discussing the topic and a really long one on PBN that takes some deep looks into the physics behind paintballs in flight. The first one talks mostly about why closed bolt markers were first thought to shoot farther and/or straighter. The second, while getting pretty angry and vile in places, will teach you more about what actually happens to a paintball after you pull the trigger than you ever thought you wanted to know. Sorry merchants, this one just jumps up and down on some of your advertising claims. *shrug* Eh, you'll live.
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I don’t have one either. Is that good???

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shub Quote  Post ReplyReply Direct Link To This Post Posted: 01 February 2007 at 12:32am
Wow, this is an oldschool discussion...I don't think I've seen a good open bolt vs. closed bolt discussion since Old Blue.
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