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Single shot airsoft gun

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Single shot airsoft gun

Unread postAuthor: Proxywars » Wed Jan 18, 2012 6:07 pm

I am a noob and I know I have been bothering a great deal of you. I have found a noob friendly gun that even I can design. I do not know what a detent is made of or how to buy or make one. I also am wondering what can I use instead of a hammer valve. Also how powerful will my build be? I plan to make this build under $20.
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Last edited by Proxywars on Sat Jan 21, 2012 12:25 am, edited 1 time in total.

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Unread postAuthor: evanmcorleytv » Wed Jan 18, 2012 7:13 pm

you could just use a QEV..
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Unread postAuthor: Gun Freak » Wed Jan 18, 2012 7:43 pm

This is what you're looking for.
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Unread postAuthor: Proxywars » Wed Jan 18, 2012 7:47 pm

I'm such a noob I searched around this forum and found how a qev works.... Could u give me a link to buy one and a post to know how it'll work?
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Unread postAuthor: Gun Freak » Wed Jan 18, 2012 7:51 pm

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Unread postAuthor: Proxywars » Wed Jan 18, 2012 8:07 pm

Thanx!! Ima draw a picture of my understanding after taekwondo tonight.
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Unread postAuthor: evanmcorleytv » Wed Jan 18, 2012 10:08 pm

Proxywars wrote:Thanx!! Ima draw a picture of my understanding after taekwondo tonight.


WAIT. Are you in America, or Europe?
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Unread postAuthor: warhead052 » Wed Jan 18, 2012 10:23 pm

evanmcorleytv wrote:
Proxywars wrote:Thanx!! Ima draw a picture of my understanding after taekwondo tonight.


WAIT. Are you in America, or Europe?


WAIT. It doesn't matter, BSP to Npt converters are cheap to buy. Not a big deal.
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Unread postAuthor: Proxywars » Wed Jan 18, 2012 10:45 pm

Rialto, CA to be exact. I'm atempting to buy everything at lowes since I can order online and pickup at store. Btw hat can i use as a detent and wat can be used as a sliding breech closer? How will I connect the barrel to the chamber?
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Unread postAuthor: jackssmirkingrevenge » Thu Jan 19, 2012 4:12 am

http://www.spudfiles.com/forums/detent- ... 23279.html

read the above for more insight on detents, a suitably sized o-ring compressed between two threaded fittings is all you need.

here's a very good example: http://www.spudfiles.com/forums/6mm-mag ... 21684.html

simply plugging barrel tubing (tape and epoxy are your friend) into a fitting and screwing that into a blowgun will give you good enough power, and the potential for multiple shots:

http://www.spudfiles.com/forums/viewtop ... html#82059

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Unread postAuthor: Proxywars » Fri Jan 20, 2012 12:57 am

So I believe I understand =).
    NIBCO 1/4" x 2' Type L Soft Cut Length Copper
    Charlotte Pipe 1/2" x 10' Schedule 40 PVC Plain End Pipe
    LASCO 1/2" SCH40 Male Adapter
    LASCO 1/2" PVC Pressure Sch 40 Cap
    LDR 1/2" PVC Ball Valve
    Oatey 8 Oz. Handy Pack
    Kobalt Analog Pressure Gauge
    O-ring < 3/16
    1/4" coupling with stop

I will drill in coupling until only the o-ring wont clear it. Power will go down a few psi but the detents will be a major help. The gun will be loaded in the back. The detents will be 6mm apart in the very back of the barrel and the bb is pushed between them. =)
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Unread postAuthor: warhead052 » Fri Jan 20, 2012 10:43 am

If you think 1/4" is gonna be a good barrel, good luck to you. Try 1/8".
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Unread postAuthor: Gun Freak » Fri Jan 20, 2012 11:53 am

ID of 1/4" type L copper = 0.315"
diameter of airsoft BB = .23622"
Awful barrel.

ID of 9/32" brass tubing = .252"
better barrel.
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Unread postAuthor: Gun Freak » Fri Jan 20, 2012 11:53 am

sorry, double post. school wi-fi :?
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Last edited by Gun Freak on Fri Jan 20, 2012 4:48 pm, edited 1 time in total.
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Unread postAuthor: evanmcorleytv » Fri Jan 20, 2012 2:12 pm

warhead052 wrote:If you think 1/4" is gonna be a good barrel, good luck to you. Try 1/8".


1/8 inch is WAY too small!! Use what Gun freak suggested, or just buy an airsoft barrel. 6mm brake line is the cheapest, and the best.
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