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KISS BB pistol

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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KISS BB pistol

Unread postAuthor: farcticox1 » Tue Apr 09, 2019 5:44 pm

A few parts lined up for a simple 4.5mm BB pistol, 1/4" QEV, 1/8" 3/2 lever valve for trigger. Interchangeable barrels :idea: Single shot muzzle load with a magnet to hold the BB :idea:

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Re: KISS BB pistol

Unread postAuthor: jackssmirkingrevenge » Wed Apr 10, 2019 7:20 am

Looks good, though I would say the chamber is far too big, most of that air is going to be wasted. You should really try for higher pressures in a much smaller chamber, especially with the small caliber and all-metal construction.
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: KISS BB pistol

Unread postAuthor: farcticox1 » Wed Apr 10, 2019 6:52 pm

Ha Ha yes, I am fabricating a square chamber which will be hidden by the side plates, still has at least 4x the 8" barrel volume :D

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Re: KISS BB pistol

Unread postAuthor: hectmarr » Wed Apr 10, 2019 7:29 pm

It looks compact and neat. I like short weapons, you can carry them at the waist. :shock:
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Actually I'm planning the improvised, and improvising what's planned!
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Re: KISS BB pistol

Unread postAuthor: jackssmirkingrevenge » Thu Apr 11, 2019 6:46 am

farcticox1 wrote:square chamber


Not normally recommended as a pressure vessel... though I imagine the wall thickness is completely disproportional to the pressure you will be using.
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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Re: KISS BB pistol

Unread postAuthor: farcticox1 » Thu Apr 11, 2019 5:46 pm

The tubing and end caps are 1/8" stainless, won't see much more than 150psi.

So this is the heart of the beast with the 5" barrel, pretty simple (KISS) just needs an air supply.

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