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Bazookair .457 Big bore pcp (Not my gun)

Built a pneumatic 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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Bazookair .457 Big bore pcp (Not my gun)

Unread postAuthor: killerbanjo » Wed Mar 21, 2012 7:59 pm

First of all would like to mention that this is not my gun, I was not sure if to put this in the showcase or disscusion, please move mods if you want.

I found this gun on another website, not sure if it would be breaking the rules posting the like due to the nature of the website, but if you want the URL pm me :wink:


This is a Pre-Charged Pneumatic that I built about 3 years ago called the BazookAir.

Image

The 1.5" titanium tube holds 550cc's of 4,000 PSI compressed air. A small tube goes through the 10 oz striker to connect the air in the foregrip with the air held be in the stock.

The Delrin valve is fed by a relatively small pre-chamber that, combined with the large air volume, keeps the shot string much more consistent than most big-bore PCP's.

The trigger pulls a bar that rotates the sear. This bar can be lengthened for use in a bull-pup.

The striker is pulled back to cock before each shot.
This is the only safety. It can be un-cocked if a shot is not taken.

The breech holds 3 rounds stacked in-line with the air entering just behind the front bullet. After it is fired the spring-loaded bolt handle is pulled out about .100 and pushed forward about 1" to move bullet #2 into position.
I got this idea from the Benjamin 422 of the 1950's.
The length requires the use of bullets that are 200g to 250g so I built the valve/striker/transfer port for consistency rather than the higher FPE that a 400g-500g bullet can make.

Image

BullPup Grip-Frames

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Unread postAuthor: CooperJS » Thu Mar 22, 2012 1:49 am

that is sweet, good quality machining right there :D
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Unread postAuthor: jackssmirkingrevenge » Thu Mar 22, 2012 3:23 am

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Beautiful.
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Unread postAuthor: Crna Legija » Thu Mar 22, 2012 4:22 am

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that looks great
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Unread postAuthor: Zeus » Thu Mar 22, 2012 5:18 am

Nah, I've looked over the site, and it's fine. We aren't dicussing the potential use of this airgun, just providing a source.

Here,

And the concept thread
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/sarcasm, /hyperbole
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