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Shooting & Reloading - Mausers, Big Bores and others >> Big Bore Rifles
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DORLEAC
.333 member


Reged: 22/01/12
Posts: 464
Loc: Perpignan, France
Old ZKK602 converted to 404 Jeffery
      #205429 - 18/03/12 09:08 PM

The project began when we came on an early, 1967 made, ZKK602 chambered for the .358 Norma Magnum cartridge.
Fully taking the rifle to pieces revealed how well made it was and under the factory varnish we discovered a nice piece of very dense Circassian walnut.
We made our mind in converting this rifle to a no frills 404 Jeffery working gun.
First, as we want to preserve the high quality Poldi steel barrel with its integral rear sight base and recoil block, it was carefully unscrewed from the action and shipped to our friend Peter Hambrusch in Ferlach to be .423" re-bored and cut rifled with a 14" twist.
As usually with Peter, the work was top notch and we got a match grade barrel of famed Poldi steel.
We used a piloted Triebel reamer to cut the new .404 chamber and the whole assembly was re-proofed.
Then the action was completely overhauled for a perfect feeding, blue printed, hand lapped and inside polished and we replaced the original shroud and side safety by an Ed La Pour side swing conversion, with "FIRE" detail inlaid in gold.
We converted the set trigger to a single stage one and took the greatest care of the reliability of the system.
A three leaves, gold lined, express sight was regulated on a larger gold bead front while we retained its original quick release button and the unusual sliding protector.
To end the metal work, the caliber on the barrel and the SN on the trigger guard bow were hand engraved.
Now for the stock, apart from a full reshaping to our own standards, a steel grip cap, new checkering and hand rubbed oil finish, we relied on a full bedding and sturdier recoil block.
The story ends with a perfectly balanced 8lbs-10oz big game rifle, sturdy and reliable‚ and who prints three shots cloverleaves all the day.
Who has said that a BRNO must be ugly?

DORLEAC

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FATBOY404
.400 member


Reged: 14/11/09
Posts: 1730
Loc: QLD
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205430 - 18/03/12 09:30 PM

Now that is bloody beautiful mate.

I have a 404j built on a 602 but not in that leauge.

Thanks for sharing.

--------------------
"WHATEVER BLOWS YOUR HAIR BACK"

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Ben
.400 member


Reged: 22/08/08
Posts: 1917
Loc: Northern Territory, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: FATBOY404]
      #205436 - 18/03/12 11:44 PM

Very nice!

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Yochanan
.375 member


Reged: 26/01/03
Posts: 912
Loc: Volksdiktatur Schweden
Re: Old ZKK602 converted to 404 Jeffery [Re: Ben]
      #205443 - 19/03/12 02:20 AM

Very nice! This is how all new CZ should look - would fly off the shelf.

Cheers


--------------------
© "I have never been able to appreciate 'shock' as applied to killing big game. It seems to me that you cannot kill an elephant weighing six tons by ´shock´unless you advocate the use of a field gun." - W.D.M. Bell: Wanderings of an Elephant Hunter.

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500Nitro
.450 member


Reged: 06/01/03
Posts: 7244
Loc: Victoria, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: Yochanan]
      #205445 - 19/03/12 02:28 AM



Superb, love it.

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458Win
.333 member


Reged: 15/12/06
Posts: 340
Loc: Alaska
Re: Old ZKK602 converted to 404 Jeffery [Re: 500Nitro]
      #205454 - 19/03/12 03:22 AM

Perfectly done. Everything necessary with nothing extra

--------------------
Anyone who claims the 30-06 is ineffective has either never used one - or else is unwittingly commenting on their marksmanship
Phil Shoemaker
www.grizzlyskinsofalaska.com

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Mike_Bailey
.400 member


Reged: 26/02/07
Posts: 2289
Loc: GB
Re: Old ZKK602 converted to 404 Jeffery [Re: 458Win]
      #205457 - 19/03/12 03:59 AM

That´s a great job ! best

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xausa
.400 member


Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205464 - 19/03/12 06:30 AM

When I bought my ZKK602 .375 H&H in 1970, it came with an imitation Weatherby stock, adorned with contrasting foreend tip and pistol grip cap and other abominations, clearly intended for the American market. This was odd, because I bought it from Waffen Frankonia in Germany. I assume your rifle was not similarly stocked.

Whatever its origin, the result is admirable, and evidence that you CAN make a silk purse out of a sow's ear.

I wonder how you went about converting the single set trigger to direct pull. Did you simply substitute the factory supplied direct trigger for the set trigger, or did you have to fabricate something? The reason I'm curious is that I have a ZKK600 action with a set trigger which I would like to convert to direct pull.

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DORLEAC
.333 member


Reged: 22/01/12
Posts: 464
Loc: Perpignan, France
Re: Old ZKK602 converted to 404 Jeffery [Re: xausa]
      #205465 - 19/03/12 06:57 AM

The best way is to make a new trigger that fit with the minimum amount of play in the U shaped part of the sear.
After that you must alter the general geometry and sear engagement, but take care to not go too far as it's a "working rifle" and the weight must at least three pounds, with a clean let off.
Indeed, our original stock was the standard one with no MC or "California" styled addenda of the seventies.
Thanks for your interest.

DORLEAC

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gryphon
.450 member


Reged: 01/01/03
Posts: 5487
Loc: Sambar ground/Victoria/Austral...
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205466 - 19/03/12 07:04 AM

That looks so nice,great job!

--------------------
Get off the chair away from the desk and get out in the bush and enjoy life.

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mehulkamdar
.416 member


Reged: 09/01/04
Posts: 3688
Loc: State of Ill-Annoy USA.
Re: Old ZKK602 converted to 404 Jeffery [Re: gryphon]
      #205477 - 19/03/12 09:02 AM

Magnificent rifle, Joel! Thank you very much for sharing pictures, my friend. But then, if you built something, it would have to be magnificent!

Thank you again and good hunting!

--------------------
The Ark was made by amateurs. Experts built the Titanic.

Mehul Kamdar

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458Win
.333 member


Reged: 15/12/06
Posts: 340
Loc: Alaska
Re: Old ZKK602 converted to 404 Jeffery [Re: mehulkamdar]
      #205486 - 19/03/12 11:36 AM

Here is a very similar 404 rifle that Lon Paul built for Tanzanian PH Andy Payne




--------------------
Anyone who claims the 30-06 is ineffective has either never used one - or else is unwittingly commenting on their marksmanship
Phil Shoemaker
www.grizzlyskinsofalaska.com

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TilleyMan
.333 member


Reged: 23/08/05
Posts: 272
Loc: Melbourne, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: 458Win]
      #205490 - 19/03/12 12:41 PM

Very nice '67 ZKK to start with... superb craftsmanship
BTW where did you source the replacement bolt shroud with integral safety?

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Sarg
.400 member


Reged: 20/01/07
Posts: 1365
Loc: Nil
Re: Old ZKK602 converted to 404 Jeffery [Re: 458Win]
      #205510 - 19/03/12 06:23 PM

I love the rifle, has all you need & beautifully done !

I don't want to go off topic , but that is a huge Bull, must be over 50in's, not a lot of drop, but who would care ?

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JeffK
.275 member


Reged: 06/03/11
Posts: 95
Loc: Perth, WA
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205512 - 19/03/12 06:52 PM

That is absolutely gorgeous!

--------------------
Regards, Jeff

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4seventy
Sponsor


Reged: 07/05/03
Posts: 2210
Loc: Queensland Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205522 - 19/03/12 09:01 PM

Very nice indeed!
The Dorleac rifles always seem to show such beautiful flowing lines.
That rifle has the look which just makes you want to pick it up and take it hunting.
Love it.
Thanks for showing.

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Homer
.416 member


Reged: 07/04/09
Posts: 3081
Loc: Canberra, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: 4seventy]
      #205526 - 19/03/12 10:12 PM

G'Day Fella's,

Dorleac, thank you for posting the story and images, of this very nice Brno rifle!

As Sarg mentions,the spread of that Cape Buff is huge!
It's bosses aren't in the same league, so I assume it is a young animal?

Doh!
Homer

--------------------
"Beware the Lolly Pop of Mediocrity,
Lick it Once and You Will Suck Forever"

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DORLEAC
.333 member


Reged: 22/01/12
Posts: 464
Loc: Perpignan, France
Re: Old ZKK602 converted to 404 Jeffery [Re: Homer]
      #205545 - 20/03/12 01:29 AM

TilleyMan

Ed Lapour http://www.edlapourgunsmithing.com/ has supplied the new ZKK 3-position safety blank we have fitted to that rifle.
We haven't used its filler piece, choosing to make our own.
Notice that the parts made by Ed are extremely well done, even if they need a very careful fitting.
He makes a very good conversion for the CZ550 also.

DORLEAC

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Nyati50
.224 member


Reged: 15/03/12
Posts: 11
Loc: PA, USA
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #205627 - 21/03/12 04:31 AM

Dorleac,

That is as a bolt gun should be. Very nicely done and a wonderful caliber. I am very envious. I have had many rifles built for me. The nicest turned out to be a .275 Rigby and a .458 Lott. While they both shoot very well, they do not compare visually with your .404 Jeff. Excellent job. Excellent taste. A .338-06 and an 8x57mm is being completed as we speak, but still not in the league with your gun. A work of art and mastery.

Nyati50

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MFC
.275 member


Reged: 25/07/06
Posts: 57
Loc: Albuquerque, NM
Re: Old ZKK602 converted to 404 Jeffery [Re: Nyati50]
      #223860 - 18/01/13 06:40 PM

I know this is a bit of a necropost but I couldn't resist.

DORLEAC, This rifle is absolutely fantastic. A perfect classic "working rifle". The stock looks like it was made by Rigby in the 1920's. I think this (in 9.3x62mm) is my new dream rifle.

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NitroXAdministrator
.700 member


Reged: 25/12/02
Posts: 39209
Loc: Barossa Valley, South Australi...
Re: Old ZKK602 converted to 404 Jeffery [Re: MFC]
      #223879 - 19/01/13 02:58 AM

Very nice rifle. Love the reshaped stock compared to the old shape.

--------------------
John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

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Azone
.224 member


Reged: 17/07/11
Posts: 30
Loc: Alberta, Canada
Re: Old ZKK602 converted to 404 Jeffery [Re: NitroX]
      #223916 - 19/01/13 01:03 PM

Magnificent !

A beautiful make-over!

Edited by Azone (19/01/13 01:04 PM)

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Homer
.416 member


Reged: 07/04/09
Posts: 3081
Loc: Canberra, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: Azone]
      #223921 - 19/01/13 02:43 PM

G'Day Fella's,

Yet another Very Nice ZKK Brno!
Even better, it's in .404 Jeffery!!!

Doh!
Homer

--------------------
"Beware the Lolly Pop of Mediocrity,
Lick it Once and You Will Suck Forever"

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Rule303
.416 member


Reged: 05/07/09
Posts: 4909
Loc: Woodford Qld
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #223928 - 19/01/13 09:13 PM

That is indeed a grand rifle in a top calibre.

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DaggaBoyBlog
.275 member


Reged: 28/02/12
Posts: 57
Loc: Sydney, Australia
Re: Old ZKK602 converted to 404 Jeffery [Re: DORLEAC]
      #223938 - 20/01/13 12:53 AM

Quote:

The project began when we came on an early, 1967 made, ZKK602 chambered for the .358 Norma Magnum cartridge.
Fully taking the rifle to pieces revealed how well made it was and under the factory varnish we discovered a nice piece of very dense Circassian walnut.
We made our mind in converting this rifle to a no frills 404 Jeffery working gun.

Who has said that a BRNO must be ugly?





What a truly wonderful looking rifle; it's just begging to be held and pointed! I have a very practical ZKK602 in original factory spec other than being rechambered to .450 Ackley, some work to get it feeding and an additional cross bolt. Great rifle in the bush but she's an old cow by comparison. Stunning rifle Dorleac! Quite inspiring.



--------------------
DaggaBoy Blog - Hunting adventures of an ordinary bloke... http://www.daggaboyblog.com.au/

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