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Combustion M-4

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Combustion M-4

Unread postAuthor: freder » Tue Jun 17, 2008 10:54 am

This is my newest gun & I love it :D

I build it after the inspiring example M4.

I rifled the barrel and marbels fit perfectly in it.

I used the same chamber as in my other cannon
http://www.spudfiles.com/forums/rear-loading-combustion-german-production-xd-t14918.html

Built the gun with old stuff that was laying around added a nice camo pattern
and that was almost it.

But I kinda scrued it with the hotglue but I didn´t know any other way to put
it all together and leaving any really ugly gaps.

I still have to mount my laserpointer and my home made M203 launcher on it. ( haven´t finished it jet :oops: )

Destruction pics are also going to come. As soon as I have a few nice ones. :twisted:
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Attachments
14062008(001).jpg
After first coat of paint.
14062008(006).jpg
the ammo comes in here.
17062008(001).jpg
after painting it :D
17062008(002).jpg
the chamber
17062008(004).jpg
17062008(006).jpg
from an old softair gun
17062008(009).jpg
M16 style handle
17062008(010).jpg
m16 stlye handle on gun
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Unread postAuthor: Davidvaini » Tue Jun 17, 2008 10:59 am

nice job on doing something new.

Idk if its the camera flash or not but the camo looks glossy. I hate glossy camo guns they remind me of super soakers. So if it is actually glossy I would suggest re-doing the camo with krylon ultraflat camoflauge spray paints.

Other than that I like the overall look of the gun, get some vids up and you will have a decent showcase.
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Unread postAuthor: freder » Tue Jun 17, 2008 11:00 am

another pic:

I´m thinking about building a probane meter on it.
This gun probably deservs it :lol:
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17062008(012).jpg
gun and barrel

the barrel slides easly in and out.
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Unread postAuthor: potatoflinger » Tue Jun 17, 2008 11:00 am

Very nice, I love the paint job!
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Unread postAuthor: freder » Tue Jun 17, 2008 11:09 am

thanks! Yeah it glossy because the paint I bought is crap.
it dosn´t stick to the plastic :x

I´m gonna do it new as soon as I find some spare time. But first I´m gonna finish the m203 launcher. :twisted:

I only saw a M16 kinda look in the pneumatic category so I thought it would be cool havin a combustion m4/m16 gun. I think paintballs would fit in the barrel too but im not shur
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Unread postAuthor: LynyrdSkynyrd » Tue Jun 17, 2008 11:37 am

Krylon Fusion is a good paint for plastics and after its cured its pretty much impact resistant (to an extent).

Awesome cannon though. It really looks like it should be carried by Arnold Swarzenegger.

How did you go about rifling the barrel?
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Unread postAuthor: freder » Tue Jun 17, 2008 12:02 pm

I did it like its shown here:

http://www.spudfiles.com/forums/diy-rifled-barrels-t2546.html

it worked pretty good after teh second try^^
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Unread postAuthor: al-xg » Tue Jun 17, 2008 12:19 pm

But I guess it doesn't have any effect on marbles ? as they are too hard to grip the rifling.

For paintball the rifled barrels have straight rifling to stop the ball from spining, but i guess thats because they aren't that rounf or homogenous.
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Unread postAuthor: Spuddin » Tue Jun 17, 2008 2:41 pm

pretty slick rifle, good idea. with a small barrel like that i bet it has a loud bang.
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