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Curious problem with Husqvarna 9.3
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I am stumped. I bought a barreled Husqvarna action. The receiver is a FN action, the barrel is marked Husqvarna 9.3, the two are original to each other. It was listed as a 9.3x57. When the rifle came in I was thrilled. It is in very nice shape, bore is excellent. The action had been modified some to help with feeding in 9.3x62 as that was what the gentleman who owned it prior was planning on doing with it.

I do not remember why I initially put a 9.3x62 gauge into the chamber, but the chamber swallowed the guage. I tried a nogo, closed the bolt with no issue. I tried a nogo with .0035 shim stock, still closed easily.

Heres the curious part. A live 9.3x62 round will not chamber.

Then I noticed what looked like a ring around the chamber.


Anybody know what this thing is? Possibly a 9.3x72R? The ring around the chamber does not looked recessed or square enough to accomadate a rim?

Like I said, I am stumped.


Nathaniel Myers
Myers Arms LLC
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I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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Without some form of extractor cut it won't be for a rim. Have you ruled out that it isn't there to accommodate a belted case? I would pour a cast.


_______________________________________________________________________________
This is my rifle, there are many like it but this one is mine. My rifle is my best friend, it is my life.
 
Posts: 3171 | Location: SLC, Utah | Registered: 23 February 2007Reply With Quote
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quote:
Originally posted by Westpac:
Have you ruled out that it isn't there to accommodate a belted case? I would pour a cast.


+1


Jason

"You're not hard-core, unless you live hard-core."
_______________________

Hunting in Africa is an adventure. The number of variables involved preclude the possibility of a perfect hunt. Some problems will arise. How you decide to handle them will determine how much you enjoy your hunt.

Just tell yourself, "it's all part of the adventure." Remember, if Robert Ruark had gotten upset every time problems with Harry
Selby's flat bed truck delayed the safari, Horn of the Hunter would have read like an indictment of Selby. But Ruark rolled with the punches, poured some gin, and enjoyed the adventure.

-Jason Brown
 
Posts: 6836 | Location: Nome, Alaska(formerly SW Wyoming) | Registered: 22 December 2003Reply With Quote
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I must say I am mortified to admit I do not have the capabilities to do a chamber cast! Normally I am barreling actions from scratch.

I searched for any belted cases but had ruled that out after not finding any.

Another note, there does not appear to be any type of shoulder in front of the throat.

I will call a few friends and see who can do a quick cast for me. Maybe I should just use this as a reason to set up for chamber casting.


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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Has the bolt face and/or extractor been modified? In other words, is it bigger than the head of the 9.3x57 and x62?

Just curious.
KB


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Posts: 12818 | Registered: 16 February 2006Reply With Quote
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Kabluewy,

The bolt has not been modified, it fits a 9.3x62 perfectly. The extractor has been changed to a 09 extractor. It must have been modified because it grasps the x62 case perfectly.


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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Buy your self a hot plate and some cerosafe Total investment $60.

Cheep and easy way to find out for sure and add tools to your box.


www.KLStottlemyer.com

Deport the Homeless and Give the Illegals citizenship. AT LEAST THE ILLEGALS WILL WORK
 
Posts: 2534 | Location: National City CA | Registered: 15 December 2008Reply With Quote
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quote:
Originally posted by kcstott:
Buy your self a hot plate and some cerosafe Total investment $60.

Cheep and easy way to find out for sure and add tools to your box.

I use a propane torch and an aluminum cup sold for camping. Form a birdmouth pouring spout in the cup's rim edge and hold the cup's opposite side rim with vise-grips. Propane torch, vise-grips and cup were already 'in stock' so my total investment was ~$10-$15 for the Cerrosafe.

Main problem I've found is simply KEEPING my Cerrosafe, it seems that everyone for whom I do a chamber cast wants to keep the casting (grin)!
Regards, Joe


__________________________
You can lead a human to logic but you can't make him think.
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Posts: 2756 | Location: deep South | Registered: 09 December 2008Reply With Quote
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Could it be , that the chamber has been sleeved(for whatever reason) and than tried to rechamber ?
 
Posts: 230 | Location: Germany | Registered: 02 December 2009Reply With Quote
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quote:
Originally posted by J.D.Steele:
quote:
Originally posted by kcstott:
Buy your self a hot plate and some cerosafe Total investment $60.

Cheep and easy way to find out for sure and add tools to your box.

I use a propane torch and an aluminum cup sold for camping. Form a birdmouth pouring spout in the cup's rim edge and hold the cup's opposite side rim with vise-grips. Propane torch, vise-grips and cup were already 'in stock' so my total investment was ~$10-$15 for the Cerrosafe.

Main problem I've found is simply KEEPING my Cerrosafe, it seems that everyone for whom I do a chamber cast wants to keep the casting (grin)!
Regards, Joe


Well it's cheep to perform the cast but if they want to keep it I would talley it up as what ever a new block costs. $30 or something???


www.KLStottlemyer.com

Deport the Homeless and Give the Illegals citizenship. AT LEAST THE ILLEGALS WILL WORK
 
Posts: 2534 | Location: National City CA | Registered: 15 December 2008Reply With Quote
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I did keep a cast I made for a customer gun when I was at CST. I was rebarreling a 1911 and the customer had scrounged a surplus USGI barrel. I fit it and when I went to test feed it I started having issues with it chambering all the way.

Long story short, wound up doing a chamber cast. Bore wound up mic'ing something in the neighbor hood of .430. Glad I never got a round to chamber!

Cerrosafe ordered!


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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Meling cerrosafe can be done with a coffee cup warmer or a hair dryer. My favorite method is to use a medicine bottle and heat it with hot water.
 
Posts: 13978 | Location: http://www.tarawaontheweb.org/tarawa2.jpg | Registered: 03 December 2008Reply With Quote
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Nat,
I posted a link to cerrosafe directions and help on the Dakota, Shilen thread by accident.
Butch
 
Posts: 8964 | Location: Poetry, Texas | Registered: 28 November 2004Reply With Quote
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That ring in the chamber mouth got me thinking it may have been reamed out to some magnum/belted cartridge.


Jim Kobe
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Posts: 5506 | Location: Minnesota | Registered: 10 July 2002Reply With Quote
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can anyone think of a belted 9.3?


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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I can think of no belted cartridge with a .473 case head...

When are you going to cast this thing?


Mike

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10096 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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The 9.3 Barnes/Sisk and the 9.3 Sisk are belted 9.3's. The first is a 350 Remington mag necked up, and the second is the 8mm mag necked up.

However, as noted above, neither will fit your bolt.

Jeremy
 
Posts: 1480 | Location: Indiana | Registered: 28 January 2011Reply With Quote
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240 Weatherby is a belted '06-size case head.
Regards, Joe


__________________________
You can lead a human to logic but you can't make him think.
NRA Life since 1976. God bless America!
 
Posts: 2756 | Location: deep South | Registered: 09 December 2008Reply With Quote
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Looks like Brownells shipped my cerrosafe today, so it [U] may [/U] be here friday. I will cast as soon as I have it.

Still clueless about the possibly caliber. I am looking forward to trying to find out. Hopefully the seller and I can reach an agreement after we find out what the caliber is.


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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quote:
Originally posted by J.D.Steele:
240 Weatherby is a belted '06-size case head.
Regards, Joe


Yeah, but you can't ream a .473" chamber DOWN to .453" .




Aut vincere aut mori
 
Posts: 4861 | Location: Lakewood, CO | Registered: 07 February 2002Reply With Quote
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Alright, I cast the chamber. Attached is a picture with relavent data. I measured as best I could.

Top number is the top of the neck. The second number is the base of the neck. The third number is as best I could measure the start of the shoulder. Which, as a note is more rounded than flat. Fourth number is the widest point above the "rim". Fifth number is the rim. Which, is also rounded and measures roughly .027 deep.



Seems awefully close to a 9.3x62, just cut way too deep. What is wierd is that I cannot get a case into the chamber. From the "base" to the front of the neck it roughly measures 2.5 (plus minus say .003)


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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So what I am thinking I am going to do is pull the barrel and set the barrel back one revolution. I do not see how I can otherwise save this chamber.

Any suggestions?


Nathaniel Myers
Myers Arms LLC
nathaniel@myersarms.com
www.myersarms.com
Follow us on Instagram and YouTube

I buy Mauser actions, parts, micrometers, tools, calipers, etc. Specifically looking for pre-WWII Mauser tools.
 
Posts: 1489 | Location: Ohio | Registered: 06 June 2010Reply With Quote
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I would think you'd have to set it back a turn. and rechamber to clean up any issues in there.

Looks to me like the guy bottomed out the reamer in the barrel. Ran it right up to the shoulder


www.KLStottlemyer.com

Deport the Homeless and Give the Illegals citizenship. AT LEAST THE ILLEGALS WILL WORK
 
Posts: 2534 | Location: National City CA | Registered: 15 December 2008Reply With Quote
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found the reason why a 9.3X62 won't chamber.

Your shoulder diameter is about .010" to small even though it's about .060" to deep.
Almost looks like a Brenneke but the case head size is too small


www.KLStottlemyer.com

Deport the Homeless and Give the Illegals citizenship. AT LEAST THE ILLEGALS WILL WORK
 
Posts: 2534 | Location: National City CA | Registered: 15 December 2008Reply With Quote
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You could just quit mucking about and rechamber to 9,3x64. Big Grin




Aut vincere aut mori
 
Posts: 4861 | Location: Lakewood, CO | Registered: 07 February 2002Reply With Quote
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