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Lothar Walther barrels

 
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  #8  
Old 03-28-2005, 12:08 AM
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Join Date: Jul 2002
Location: France
Posts: 390
Re: Lothar Walther barrels

To Jr

hello , you are right chambering lothar Walther need very stiff machine tool and mostly carbidereamer IF you want to keep your reamer a long time ( same time as regular High Speed steel reamer )

Lothar Walther are made in SS stel from 700 serial ( close to 17/4) they are not harder they feel just toughter to machining as any SS steel from 300 serial compare to 416 steel ,I have chamber some to practice and know how and test shot them , Ok that work but if I am a US citizen I will go with a maker as PAC NOR or Krieger , du to cost of change between $/ Euro european product are more costly in the US

Lothar barrel are not better than other they are just good as most custom barrel , sale barrel for amazing barrel life or no fouling barrel is a big lie , only improvement between 416 and 700 steel is the better microstructure of the 700 so 700 is more stainless than 416
In the same range I have tets Mike Rook barrel ( 416 steel ) 5 grooves barrel , OK that work but that not better than a Krieger or a Border , now Border make 5 grooves barrel too nad that works fine and doesn t think that a magic pitch caas 11.25 in 1 can do something to increase accuracy , that will be very interesting to compare side by side in a switch rifle cal 30
1 in 12 5 grooves from Border
1 in 11.25 groves from Mike Rook
1 in 12 5 grooves from PAC NOR

good shooting

DAN TEC
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  #9  
Old 03-28-2005, 05:25 AM
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Re: Lothar Walther barrels

Take your pick of any top name barrels. you won't go wrong,it comes to personal preference.
Recently a walther barrel in 6.5x284 in a SWS2000 beat the existing 1000m BR record, unfortunately it was innoficial as it happened during practicve zeroing. full story is floating the German shooting press at the mo.
Ive a walther in my 9.3x62,, shoots real good. me, i'd go for the nearest custom barrel factory to where i lived, makes logistics easier..
Pete
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  #10  
Old 04-06-2005, 03:48 PM
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Join Date: Apr 2005
Location: Utah
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Lothar Walther barrels ......

I use 2 Walther barrels and think they're excellent. One is their 10/22 barrel chambered for .22Mag, and it shoots very well with several different brands. The other is a 22-250AI and that barrel is just amazing. I did no break-in...the first 35 rounds were load work up. There was NO copper in the bore. The next 45 rounds were shooting prairie dogs, and again there was NO copper. Even after 100 rounds, Sweet's will produce only the slightest trace of blue. I clean the gun mostly with Butch's or Montana Extreme and wet patches, it sees the brush very little if at all. This is fireforming with waxed 50's at 4110fps. The chamber has a .255" neck. My other heavy barrel 22-250AI has a Hart barrel with .250" neck - with 3" more length and FORMED cases, it gets 130fps more velocity. Both guns shoot about the same, in the .2"s - .3"s...the during load workup the Walther actually shot some groups in the .1"s, both fireforming and with formed cases. Their stainless is different stuff and not really any harder, but a lot tougher. Because of that, some people have problems chambering them. Talk to Walther or Dave Kiff at Pacific Precision and either of them can help you. I don't baby that gun and the barrel has probably 1,200 rounds through it. It's also been real hot a bunch of times, yet the throat has grown by only about .010"-.012". I have barrels from 12-14 different manufacturers and none are more accurate than the Walther. It's my favorite.
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  #11  
Old 04-06-2005, 04:55 PM
daveosok
 
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Re: Lothar Walther barrels

I built a win 243 with a Lothar Walther barrel. Very fine shooter. The material they use is very tough and requires different speeds for reaming.
Heres a pic of a 5 shot group at 100 yards.
5 Shot Group

Here's the rifle.
Rifle
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  #12  
Old 01-14-2013, 09:44 AM
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Join Date: Jan 2013
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Re: Lothar Walther barrels

I have had a few 30-06 and 7 mag custom long range hunting and target guns made with Lothar Walther barrels,they all shot very good no flyers even when there hot,you could pay twice as much I don't think you would see much improvement,its hard to improve when your bullet holes touch at a hundred yards.I have had problems with gunsmiths but not the barrels.
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  #13  
Old 01-14-2013, 11:41 AM
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Re: Lothar Walther barrels

Quote:
Originally Posted by heatseekins View Post
I build my own rifles and was thinking about using a Lothar Walther barrel for my next 308. Has anyone had any experience chambering one? Iíve heard their stainless is very hard. I was also curious how they performed? I usually use hart barrels and they always performed well, but thought I would try something new unless convinced otherwise.

Thanks, Glen
Walther barrels are made of either 17PH4 or 18-5 rearc melt stainless steel. This stuff is not for the average guy to work with. It's very tough to machine, and most guys that do machine it closely guard their processes. But the metal is a light year better than the typical 416 stainless steel most guys use. Tends tohandle heat a little better and is far more rust and errosion resistent than 416. 17PH4 and the other are not really any harder than the others, but much tougher to cut. Takes a low surface speed with a specialized insert (I cannot tell you what I used). Chips come out extremely hot and I've set more than one set of prints on fire from them so be carefull.

But if you do decide to work with it, I'd send an email to Baldwin steel in PA. Then ask them what the best setup is for machining MR10. They sell the samething under a different name. They are very good to work with. The work I did with it was in military aps, and the talorence window was nothing like cutting a barrel. I found that it was easiest to do on an EDM. Never was pleased with the grind finish I got, but was acceptable. Very hard on a Bridgeport if you making serious cuts. Never noticed any work hardening with it, but as I said I kept the surface speed extremely low. If you can machine Hestalloy, you'll do just fine
gary
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  #14  
Old 01-14-2013, 03:07 PM
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Location: Great Falls, MT
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Re: Lothar Walther barrels

(C&P)

The materials used at Lothar Walther fall into two categories. The normal steel barrels, those which require bluing are made from LW19, a chrome-molybdenum type steel. The stainless steels, which do not require bluing are LW6, which is used mainly for .22l.r. and similar cartridges and LW50 which is used for centerfire cartridges. This last material was developed in 1994-95 as a safe alternative to 416R and to solve durability problems associated with 416R. LW50 can be used in all calibers and all contours.

(Lothar Walther)

Supposedly, machining instructions are included on every barrels ordered.

ADDED:

http://www.go2gbo.com/forums/index.php?topic=26645.0

http://hghouston.com/resources/mater...positions.aspx
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