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8x68s Question
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Picture of Tex21
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Hi all,

I'm a college student that likes to tinker with things. This Christmas, once my professors are finally through with me, I plan on getting around to the gunsmithing work I've been saying I'm going to do for a good while. Among the items on the list are to drop the six Mauser receivers I have off at my gunsmith's shop to get a little machine work done.

As a spring project, I'm throwing around the idea of starting a 8x68s build up. While my receivers are in the shop this December, I could very easily have him open the bolt face up on one of my VZ-24's to accomodate the 8x68s cartridge, but before I commit, I would like to know...what would I be getting myself into with one of these? As in, how hard is it to get one to feed properly, what mods am I looking at, etc? Time is not as big a consideration as money. As I said before, I like to tinker with things and as such, I try to do as much of the work as I can.

I'm not really a whiz-bang magnum type, but I do like metric cartridges and the allure of the 8x68 appeals to me. I just want to know what I'm getting into before I take the leap. Any information is appreciated. Thanks gentlemen.

Jason
 
Posts: 1449 | Location: Dallas, Texas | Registered: 24 February 2004Reply With Quote
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Picture of fla3006
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In addition to the bolt face and rails, you'll have to open up the magazine- quite a bit. The 8x68 is a monster, fairly long like the 300/375 H&H, similar in power to the 8mmRem Mag. It can be done, a good friend had one imported from Belgium by Continental Arms made on a commercial FN action, magnum length drop box magazine. (SFA- 1970)
 
Posts: 9487 | Location: Texas Hill Country | Registered: 11 January 2002Reply With Quote
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Make sure you locate a chamber reamer before you get too far along in your planning.
 
Posts: 2036 | Location: Roebling, NJ 08554 | Registered: 20 January 2002Reply With Quote
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The 8X68S is designed for the standard length M98 action.



The C.I.P. standard OAL is 3.425" making it far easier to fit into the Standard M98 than a 375 H&H length cartridge.



The taper on the case is identical to the 7X57 Mauser and I have been able to get empty 8x68S cases to feed through an unaltered K98 action with the exception of the last case.



This was a compltetely unalterd action, with the standard bolt face. The extractor was still able to pick up the cases. (even the last one)



Of course this is a far cry from a funtioning 8X68S action but it does show that feeding should not be a problem once the bolt face and extractor are altered especialy when a bullet is loaded in the case to help guide the round into the chamber.



If you can find a hinged floorplate type magazine (1904 Portugese or 1909 Argentinian) it will be easy to add a new rear magazine wall and then remove the old one, lengthening the magazine by about .270". You will then need to use a "straddle" type floorplate to cover the extended magazine. This added to the 3.32" standard length magazine will give an internal magazine length of about 3.59", more than enough for a OAL of 3.5" or slightly more.



3 rounds will fit into the standard width and depth K98 magazine. Contrary to poular wisdom, it is quite easy to alter the extractor to "snap" over a round in the chamber making "1 up and 3 down" possible giving 4 rounds available.



Just about everybody makes dies and reamers are readily available.



Probably the biggest down side is the price of the brass.



Hirtenberger isn't too bad but RWS is 4 times as much.



I had started on the same project, but family matters have side tracked most of my "gunsmithing" endevours for the time being.



I think that Dan Belisle has already done this.





Hey Dan, are you listening?
 
Posts: 2440 | Location: Northern New York, WAY NORTH | Registered: 04 March 2001Reply With Quote
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Hi Wj, yes, I am listening. Just got back from NYC/Albany so haven't been logging in as regular as I like. My 8X68S action (98 surplus)is feeding fine, I did have to modify the box for length to use the bullets I wanted, but it feeds fine. Midway has the reamer for a reasonable amount of money, and I got brass, ammo, and dies from Martini Hagn in BC (great 'smiths by the way). Barrel is/was a turned down military 8mm, which works fine in this application. Now I have to work on the "dress up" items, safety, bolt handle, etc. Kind of busy getting ready for a bison/moose hunt (with a couple of other AR posters), so this will go on into winter (what else are winters for, anyway?). - Dan
 
Posts: 5285 | Location: Alberta | Registered: 05 October 2001Reply With Quote
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Picture of wildcat junkie
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Dan;

Just exactly what did you do to lengthen the magzine and what was the I.D. length after you were done?

Any crono data?

BTW; I killed a 220# (dressed) buck on 11-2-04. Not much of a rack, but I'm tickled.
 
Posts: 2440 | Location: Northern New York, WAY NORTH | Registered: 04 March 2001Reply With Quote
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Dan,

If it would be possible, could I see a couple pictures of your rifle and in particular the magazine changes you had to make? I think it would help my proposed project along if I could see what I would have to do.

Thanks a bunch,

Jason
roscoedoh@yahoo.com
 
Posts: 1449 | Location: Dallas, Texas | Registered: 24 February 2004Reply With Quote
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Just a word about the components for the 8x68S... The RWS brass is about toughest, meanest, son-of-a-gun brass I have ever worked with. You really have to go at it with a vengeance to make any impression. If toughness of brass is any indication, this brass should last quite a while...

The 8x68S is very highly thought of in Central Europe - the European version of a .300 Win and a .338 Win all rolled into one, so to speak. Due to recoil, it can be a bit hard to shoot, but if you can handle the punishment, there are few situations that will leave you undergunned with an 8x68S.

- mike
 
Posts: 6653 | Location: Switzerland | Registered: 11 March 2002Reply With Quote
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