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PostPosted: Sun Jul 28, 2019 7:35 am 
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Joined: Wed Oct 29, 2014 10:49 am
Posts: 242
Location: QC
Another airgun oddity joins the menagerie courtesy of a fellow forum member, it's complete apart from the front sight block that retains the barrel and the magazine tube:

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Stock:

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Action assembled:

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Action disassembled:

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Action front showing the spring loaded detent that stops the BBs rolling out of the barrel

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Action showing the sear engaged in the hammer groove:

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Muzzle showing the rifled 4.5mm barrel, presumably this was intended for lead BBs

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Rear sight:

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Magazine tube lock, it appears the tube needs to be removed for loading:

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Magazine follower:

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Safety in the stock:

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Here is a cutaway of an example found online that shows the inner workings:

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It's a conventional hammer valve however the trigger is a double action that cocks then releases the bolt.
There is no bolt that seals the action, it's just the next BB in line that more or less blocks the breech.
The hammer spring tension can be adjusted by rotating the rear cap on the action, there is one white and one red mark.
If I understood correctly, the white mark is for filling because otherwise the hammer would keep the valve open.

I'm working on a barrel clamp:

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Set screw keeping it in place, note the fill nipple to run it as a pneumatic:

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Hole to lock in the magazine tube:

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Need to remove a bit more material and add a front sight bead.

With 2000 psi of air it shoots steel BBs at a maximum of 860 fps, I have some tuning to do and will probably make a new stem.


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PostPosted: Sun Jul 28, 2019 8:07 am 
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Joined: Wed Jul 26, 2017 7:01 pm
Posts: 2088
Location: GTA, ON
PCP high power BB rifle?!

It's interesting!

And I concern about the accuracy of the 900fps BBs.... Protection glasses, helmet, and more personal protection equipment to shoot this indoor... [emoji38]b

Sent from my S8 via Tapatalk

_________________
Future AA ProSport
HW30/35
2240+14" barrel
Camo Chaser long barrel rifle kit
P3+2x20 Kit Scope
HW40+Extender
HW45+Grip panels from Russia


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