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Author Topic: 30-40 Kreg in a Contender?  (Read 563 times)

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Offline Toolpush

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30-40 Kreg in a Contender?
« on: October 17, 2003, 08:18:34 PM »
Has anybody ever tried it or is there too much bolt thrust? How about a wildcat based on a 30-40 case?
Seems like bolt thrust goes down when some of the body taper gets removed.
If so how much could one improve on  30-30 ballistics with a 30-40 or its wildcat?
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Offline JJFly

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30-40 Krag
« Reply #1 on: October 18, 2003, 08:19:24 PM »
Yes, the 30-40Krag can be had in a Contender.  You can pick up a Virgin Valley Custom Guns barrel at Midway which carries them in stock.  Dave Van Horn also makes them.  As far as the use of factory ammo goes, this is the limit for the Contender.  If you handload a 309JDJ is a better option.  Brass is easy to get your hands on too.
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Offline DLH

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30-40 Kreg in a Contender?
« Reply #2 on: October 19, 2003, 05:11:37 AM »
:D  :D   I have one that I rechambered from a 30-30 bbl.  It is the most accurate barrel that I have ever had, 1" groups at 100yds

  Yes it is my favorite bbl.
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Offline flatlander

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30-40 Kreg in a Contender?
« Reply #3 on: October 19, 2003, 08:58:26 AM »
This is one of those rounds that get a lot of debate for Contenders.  We discussed this in an earlier post and here is what I took away from it.
I understand that the 30-40 operates somewhere in the neighborhood of 40000 CUP. I pulled this from that previous post:

"I contacted Tim Pancurak at T/C, who gave me these CUP Limits The small diameter .223 Rem has a CUP of 52,000. Larger case diameters such as the 30/30 Win have a CUP of 39,000. 44 mag CUP of 36,000 and the 45/70 CUP of 28,000."

Is 30-40 safe in a contender? Probably if you use rounds loaded for the old military rifles and not hot ones for the Ruger No. 3's. Is T/C using conservative numbers? Most likely.  So you know that there are guys chambering for it, they get used and it seems ok for the most part. BUT, the final question is this: Are you willing to risk your frame to try it out? I personally am not, and being a handloader, I would rather go to something a bit farther away from the fringe that I wouldn't have to worry about overpressuring as much.  There are a lot of good wildcats out there in the 30 caliber class. The safety margin there is just getting to small for me to shoot the 30-40.
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Offline jhalcott

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30-40 Kreg in a Contender?
« Reply #4 on: October 19, 2003, 05:09:12 PM »
a good friend has a 30-40 krag barrel for his t/c and claims it is the hardest recoiling barrel he ever shot! he owns and shoots 45-70's and other hard kickers so this is from some one used to recoil.  jh
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