Feinwerkbau 800; Stock reduction

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Alpazen
Go to Rifle: Feinwerkbau 800
Country: France
Where: Lac Léman
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#11 Re: Feinwerkbau 800; Stock reduction

Sun Sep 27, 2015 11:46 pm

That's good words my friend !! :D
Steve
Go to Rifle: Walther
Country: Uk
Where: Bolton
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#12 Re: Feinwerkbau 800; Stock reduction

Mon Sep 28, 2015 5:30 pm

BenGun wrote:Steve = No it isn't.
Sven = as a full bore shooter with over 27 years experience 22 with the Army , we are going to have to disagree, there is absolutely no benefit in knowing what the wind is doing before it leaves the barrel.
If you must have a windicator fit it to the end of the barrel , not 2-3 or four inches before the end of the barrel.
Well I shot with Jon at the Euros and everything from the pistol grip forwards,which the op.asked about really is a one off made by Jon from approx 2 1/2" Ali.That was from the horses mouth so to speak.
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Jon
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#13 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 10:10 pm

Steves right its a one piece stock replacing the four bolt together parts from the adjustable cast off going forwards.
Admittedly I didn't need to make the stock but clutching at straws thought I would rule out a potential problem and not to worry ever again. One in 3 factory stocks suffer and need extra sorting out, the original was one of them them sorted last July 2014.
Tried over several weeks swapping and extensively changing scopes I was non the wiser. Long story short it turns out the very front tube from orange tuner onwards was re bead blasted and anodised silver, this removed aluminium and weight so tuner settings were way out.

Proof of the pudding here goes, started off with 2 1/4" x 2 1/2" 6082 aluminium flat. Has good anodising properties and the best in terms of its flex returning to zero.
Also came at a bad time, so much on but had to be done.

It started a bit like this

In all the P800X have had never felt the need to hold forward more than 1/2" in front of cradle fixings, so that's where it ends.
Jonny stock 1 22 July 2015 - 0001.jpg
Then it went a bit like this
Jonny stock 2 22 July 2015 - 0002.jpg
Jonny stock 3 22 July 2015 - 0003.jpg
Properly bedded in, manufacturers take note.
Jonny stock 6 July 2015 - 0004.jpg
Jonny stock 7 July 2015 - 0005.jpg
Jonny stock 8 July 2015 - 0006.jpg
Now you can see where I am, 3 bolt together parts there very flimsy and constant movement.
Jonny stock 8 July 2015 - 0007.jpg
If a jobs worth doing, do it right or not at all.
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Jon
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#14 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 10:23 pm

Now the underside, flipped over now trueing up and reducing down to the perfect depth 3.7mm higher than original.
Jonny stock 10 July 20150001_6.jpg
Jonny stock 11 July 20150001_7.jpg
Jonny stock 12 July 20150001_8.jpg
Down to depth, sides rounded, Accessory rail T slot in, trigger cutout to length.
Jonny stock 14 July 20150001_10.jpg
Pistol grip fixing in place also set up 3.7mm, with material taken out the right places.
Jonny stock 18 July 20150001_14.jpg
Jonny stock 17 July 20150001_13.jpg
Jonny stock 15 July 20150001_11.jpg
If a jobs worth doing, do it right or not at all.
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Jon
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#15 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 10:41 pm

Now to guage how its getting on and feel for any tweaks needed.
Jonny stock 21.jpg
Jonny stock 22.jpg
Good enough
Jonny stock 23.jpg
Just about perfection
Jonny stock 24.jpg
Jonny stock 25.jpg
Material removed so far no roughing cuts.
Jonny stock 26.jpg
I had a vision to make the forend short, its not needed so why carry useless junk about, its performance I want over looks.
Realising it looks off ending short and what other producers are doing lately by making rotation stocks and carbon fibre round tubes on forend.
Need to fool the eye in to thinking its longer, here goes Anchutz style stabilisor built in what a bitch to do.
Jonny stock 27.jpg
Jonny stock 28.jpg
Ready to try and feel for how it handles, not just make something to a pattern and be done with it.
Jonny stock 29.jpg
Jonny stock 30.jpg
Jonny stock 31.jpg
If a jobs worth doing, do it right or not at all.
De
Delphinus

#16 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 10:52 pm

Jon,

Thanks to post this, great work as usually.
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Jon
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#17 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 11:06 pm

No problem Miguel, if a jobs worth doing, do it it right or not at all.
If a jobs worth doing, do it right or not at all.
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Alpazen
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#18 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 11:36 pm

A very impressive job Jon :o

I would not be able to do the same.. Congralutations :)
De
Delphinus

#19 Re: Feinwerkbau 800; Stock reduction

Fri Oct 16, 2015 11:40 pm

Jon wrote:No problem Miguel, if a jobs worth doing, do it it right or not at all.
I'm 100% with you.
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Jon
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#20 Re: Feinwerkbau 800; Stock reduction

Sat Oct 17, 2015 9:39 pm

Tried and testing for two weeks felt spot on, so stripped down and took in for anodising.
JH Feinwerkbau No07 Jon Harris August20150001.jpg
Just have to be different, inlay
JH Feinwerkbau No07 Jon Harris August20150001_1_1.jpg
Similar style as the Anschutz T slot stabilisor, this one part of the actual stock looks simple but don't fancy doing another.
JH Feinwerkbau No07 Jon Harris August20150001_2.jpg
Original rear end on to new stronger, lighter better suited aluminium forend with pistol grip 6.7mm higher, trigger now lines up with bottom of trigger guard.
JH Feinwerkbau No07 Jon Harris August20150001_4.jpg
JH Feinwerkbau No07 Jon Harris August20150001_8.jpg
JH Feinwerkbau No07 Jon Harris August20150001_7_1.jpg
As mentioned earlier knew it was down to three things but no time to spare after checking several scopes getting the same symptoms I took the plunge and made the stock. At least its bedded in right and will never ever have problems.
The actual problem was some weeks before after the orange tuner theres an aluminium tube threaded on to barrel up to a stop. All I did was re bead blast and take in for brightened silver anodising nothing else touched and there lay the problem took weeks to sort even though knew of these traits.
If a jobs worth doing, do it right or not at all.

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