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 Post subject: QB58 carbine
PostPosted: Fri Jan 29, 2016 11:21 am 
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Joined: Tue Oct 13, 2015 5:01 pm
Posts: 147
Location: Western Norway
Got a used QB58 via a local classified site and have started to turn it into a personalized carbine.

For those who don't know this gun it's a spring side lever from Shanghai Air Gun Factory ( http://www.airrifle-china.com ), looking like this:

Image

I have shortened the barrel to 25 cm, taken 3 cm off the back of the stock and changed the front stock profile a little.
The stock has been stripped and some irregularities has been sanded away.
Original length was 100 cm (with butt pad), current length is 85 cm (without butt pad).

Here it is with a short Leapers scope mounted:

Image

Plans:

- Reshape the pistol grip.
- Stain it to an even look, finish with boiled linseed oil.
- Mount a muzzle brake.
- Make a wooden anti bear trap release button.
- Make a wooden cooking lever handle.
- Make a new trigger guard from aluminium.
- Polish and lube the action.
- Shoot away!


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 Post subject: Re: QB58 carbine
PostPosted: Fri Jan 29, 2016 12:52 pm 
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Joined: Sun Jan 09, 2011 8:07 am
Posts: 3320
Location: Central West River Nova Scotia
I have one that I also changed a little. With a little tweaking it is a nice reliable shooter out to 30 yds. They are definitely worth some work. Good luck with it. Heres mine


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 Post subject: Re: QB58 carbine
PostPosted: Sat Feb 20, 2016 9:16 am 
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Joined: Tue Oct 13, 2015 5:01 pm
Posts: 147
Location: Western Norway
- Checkering on pistol grip removed, stock stained and finished with boiled linseed oil.
- New stainless steel stock screws.
- New butt pad made from black cotton micarta finished with polyurethane (cotton from a t-shirt donated by the missus).
- Spring tube end plug deblued and polished.
- New anti bear trap release button made from oak, stained and oiled.
- New cooking lever handle made from black cotton micarta.
- Steel barrel adapter and muzzle brake mounted (total length is now 87.5 cm)
- Seals changed, action polished and lubed.

Image

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Thank you for looking.


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 Post subject: Re: QB58 carbine
PostPosted: Sat Feb 20, 2016 7:56 pm 
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Joined: Wed Dec 21, 2005 11:27 pm
Posts: 2074
Location: Toronto
Outstanding work man!! 8)

I didn't know you can make micarta from cotton shirts. Is the end result durable? How do you shape it?

What changes in velocity did you experience from reducing the barrel length?

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 Post subject: Re: QB58 carbine
PostPosted: Sun Feb 21, 2016 8:32 am 
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Joined: Tue Oct 13, 2015 5:01 pm
Posts: 147
Location: Western Norway
TriggerHappy416 wrote:
Outstanding work man!! 8)

I didn't know you can make micarta from cotton shirts. Is the end result durable? How do you shape it?

What changes in velocity did you experience from reducing the barrel length?


Thank you!

Cotton micarta from clothes is common. Another nice micarta is made from burlap, check it out if you haven't already.

You shape it with saw, file and sand paper. It's durable, but depending on finish the surface will get scratches as everything else.

No chrono, but the impact marks from the pellets hitting the steel plate in the catch box hasn't changed as far as I can see.


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 Post subject: Re: QB58 carbine
PostPosted: Sun Feb 21, 2016 8:46 am 
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Joined: Thu Sep 01, 2005 1:41 pm
Posts: 997
Location: GTA
I wonder how similar these are to the old B7 model?
I used to love the B7, would shoot it for hours. Then the sear went and it started discharging on it's own. I like being able to count to 10 so I wouldn't shoot it any more. The B7 didn't have an anti-bear trap, seemed like a finger guillotine. That and the ex didn't appreciate the holes in the wall from it discharging on it's own.


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 Post subject: Re: QB58 carbine
PostPosted: Wed Aug 17, 2016 7:07 am 
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Joined: Tue Oct 13, 2015 5:01 pm
Posts: 147
Location: Western Norway
New clothes: Stock painted black and hydro dipped in red.

Image

Image


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 Post subject: Re: QB58 carbine
PostPosted: Wed Aug 17, 2016 5:09 pm 
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Joined: Tue Oct 18, 2011 12:21 pm
Posts: 431
Location: Ontario
Very interesting result!

R-Gun Pete


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 Post subject: Re: QB58 carbine
PostPosted: Thu Aug 18, 2016 7:02 am 
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Joined: Mon Oct 10, 2011 12:29 pm
Posts: 3110
Location: New Brunswick
I'm drooling [emoji14]


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 Post subject: Re: QB58 carbine
PostPosted: Tue Sep 06, 2016 12:27 pm 
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Joined: Tue Oct 13, 2015 5:01 pm
Posts: 147
Location: Western Norway
Thank you.

Now with adjustable butt pad:

Image


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