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Marble Gun
Posted: Mon Aug 03, 2009 5:01 am
by Scottaiii
Hey
This cannon has been posted on here before (I'm talking almost over 2 years ago) but it was very basic and since then it has had rebuilds, paintjobs, accessorys and lots of little adjustments.
Specs:
Type: Pneumatic
Ammo: 16mm Marbles
Pressure: 80-140psi
Configuration: Under-over
Valve: 3/4" Modified Sprinkler
Trigger: Blowgun + Safety Valve
Red+Green Dot Sight
Adjustable Bi-pod
Sling (not seen in photo's)
Gun Metal Paintjob
3/4" Stock
Ball valve breech load
16mm Copper barrel cased in 3/4" PVC
Enough talk heres the pics:
Posted: Mon Aug 03, 2009 5:52 am
by jackssmirkingrevenge
Nice, bit big on the chamber volume for my likes but very well refined
Is the bipod an actual Harris or a cheapo imitation?
Posted: Mon Aug 03, 2009 6:33 am
by Scottaiii
Cheapo imitation unfortunatly, but it does the job
I can't really think of much else to do with it, laser pointer maybe, and flashlight. Just to spice it up.
Posted: Mon Aug 03, 2009 6:40 am
by jackssmirkingrevenge
Scottaiii wrote:Cheapo imitation unfortunatly, but it does the job

Fortunately you mean, you don't want a bipod that costs more than your launcher
I can't really think of much else to do with it
Integrally suppressed barrel of course

Posted: Mon Aug 03, 2009 7:09 am
by SP00K
Very well constructed. How long did it take you to build?
Posted: Tue Aug 04, 2009 4:38 am
by Scottaiii
SP00K wrote:Very well constructed. How long did it take you to build?
Overall it took me about 6 months of which to build, altho that was not 6 months straight, more or less when i had time. It had been sitting in the shed for the last 10 or so months, with the occasional use to impress the friends

Then i decided to spice it up from the boring PVC look.
Fortunately you mean, you don't want a bipod that costs more than your launcher

I would not bet on that

It Cost me over $150AUD to build + more for mess-ups and just trying things out.
Integrally suppressed barrel of course

Well yes that would not be such a bad idea, I've built an attachable silencer before, but internal would be nice. But how much power will i really loose if i was to do that, say 16mm barrel, cased in 1inch silencer?
Thanks.
- Scott.
Posted: Tue Aug 04, 2009 4:44 am
by jackssmirkingrevenge
If you port say the last 3 inches of the barrel you shouldn't really notice a decrease in power without a chronograph.
Posted: Tue Aug 04, 2009 5:17 am
by Scottaiii
Oh alright then, well i might make the silencer from the end of the chamber to the en of the barrell. Ill have to work on it. Thanks.
Posted: Tue Aug 04, 2009 8:22 am
by Mitchza89
Fantastic Job mate, I love it.
Keep up the great work!
Posted: Fri Aug 07, 2009 11:09 pm
by PureMarksman
Wow! This is amazing, by-far one of the best, most professional and most deadly looking rifle designs with out an actual stock.
This is just awesome; this is definitely a design Ill be looking into when I get around to building my first Pneumatic
Again Great Job keep up the good work.
Posted: Sun Aug 16, 2009 8:02 pm
by Mr.Sandman
PureMarksman wrote:Wow! This is amazing, by-far one of the best, most professional and most deadly looking rifle designs with out an actual stock.
This is just awesome; this is definitely a design Ill be looking into when I get around to building my first Pneumatic
Again Great Job keep up the good work.
You think this is amazing, look at xm2 or the u2 piston rifle. They are both very nice. Overall this is a pretty nice gun though.
Posted: Thu Aug 27, 2009 8:57 pm
by jhalek90
Looks very very good.
My only suggestion, all Pneumatic PVC guns NEED pressure gauge. for safety. I've show my cannon a few times just to have 10-15 psi of "left over" pressure.... stick a new piece of ammo in.... and accidentally fire...
So, over all Great looking gun. You juts need a gauge!
Posted: Thu Aug 27, 2009 9:20 pm
by covey12
im guessing the ballvalve is a saftey?
Posted: Thu Aug 27, 2009 9:25 pm
by jmadden91
No its a loading mechanism. He states in his post that it has a safety, so im assuming it doubles as both.