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Copper Over Brass


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#1 Whatitis

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Posted 25 November 2004 - 08:25 PM

Just a quick question, why is brass prefered over copper? Also for those of you who use copper, what kind of range do you get for certain guns?

Sorry for saying the title backwards.

Edited by Whatitis, 25 November 2004 - 08:27 PM.

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#2 cxwq

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Posted 26 November 2004 - 12:24 AM

Copper, PVC, CPVC, conduit, and pretty much anything else you can find at a typical home improvement store each come in basically one size that's useful to nerf. Therefore it's hit or miss whether your FBR will fit in any of those. Further, if your FBR is very close to .5" - which is the nominal size described as a micro stefan, none of the above work well. Most copper available is either slightly larger or smaller than .5" ID.

K&S brand brass is machined to very close tolerances and is available in 1/32" increments. Regardless of the size of your FBR, you can buy brass that is within 1/64" of it. Further, current mods for the more powerful spring guns dictate 'nesting' your barrel to get a tight fit at the base, then a somewhat looser fit for the rest of the barrel. Brass works great for this because it has 1/64" wall thickness and therefore nests perfectly within the next size up.
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#3 Viper

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Posted 26 November 2004 - 01:08 AM

I'd just take my FBR or stock darts to the harware sote an see what fits. 1/2" copper many seem to fit but it really doesn't fit too well on any fbr I've tried. If you're asking about material, they are equivalent, only brass comes in precise sizes that fit FBR darts. Some people claimed to have found some rare 1/2" copper with .53 nominals which fits the log-fbr stuff really well.
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#4 Ender

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Posted 27 November 2004 - 08:09 AM

There is also a noticeable difference in weight between the two. Often by adding copper barrels the weight of the gun is thrown off.
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