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I happened on an older thread about short action big bores, and it got my wheels turning, has anyone here ever experimented with this wildcat? I don't have the funds right now (still in college :)) and working on a different rifle project, but this seems like a neat conversion I would like to try in the near future. Just wondering what kind of speeds would be possible with the 350-400 gr. bullets.
Thanks for any info
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Joined: Feb 2004
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Campfire Regular
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Campfire Regular
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Same as a 416Taylor ... approx 2370fps with 400gr and approx 2600fps with a 325gr.
I think Charlie Sisk in the USA has built them, and in Australia it was Clem Stevenson who named his WSM based wildcats the 'Australian Stalker' series offering a 375, 404 which was replaced by a 416 and a 458.
Cheers...
Con
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Joined: Oct 2009
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Campfire Tracker
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Campfire Tracker
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There are a number of 'short .416s'. .416 B&M comes to mind as well after perusing AR.
I never thought I'd grow up to be a grumpy old man, but I did, and I'm killin' it.
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
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www.b-mriflesandcartridges.comBut only if you want them to build a rifle for you, QC issues you know. Jeff
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Joined: Nov 2007
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Campfire Ranger
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Campfire Ranger
Joined: Nov 2007
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There is an ongoing series of articles in PS right now on something like this.
The author bought a 7 WSM and is reboring it up to .416 in steps, doing load development along the way... I've read the article on .358, then he is doing .375 and .416. According to what he had to say in the .358 write-up this parent cartridge really comes into its own the larger you open it up.
Seems to me that, based upon the real world results of its smaller-bore siblings with "standard length magnums" in corresponding diameters (7mm & 30 cal) that actual results would be just shy of the 416 Taylor.
To me the limiting factor would be mag length. I have a .325 that I have thought hard about having rebored to .375 and throated for the 270 gr Interlock, but mag length be the limiting factor there and I can't help but think that at that point I might as well go with a .376 Steyr or a standard action and a .375 Ruger?
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Campfire Outfitter
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Campfire Outfitter
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I'd like to have a .458WSM so I could shoot 405 grain Remington bullets in it.
1st Special Operations Wing 1975-1983
919th Special Operations Wing 1983-1985 1993-1994
"Manus haec inimica tyrannis / Ense petit placidam sub libertate quietem" ~Algernon Sidney~
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Joined: Apr 2004
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efw,
Mag. length in a M70 or Kimber 8400 is a non-issue..
It's a great life if you don't weaken..
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Campfire Tracker
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all i can say about that is WOW!
Guns don't kill people, drivers with cell phones kill people.
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Joined: Feb 2001
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Campfire Tracker
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all i can say about that is WOW! At least they were smart enough to add the "&". Who would want a BM rifle or cartridge?
Guns don't kill people, it's mostly the bullets
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Joined: Feb 2009
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Campfire Tracker
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their 50 B&M, a 7.5# rifle launching a 500 gr bullet @ 2150 from an 18" barrel. i wouldn't make fun of that one....
Guns don't kill people, drivers with cell phones kill people.
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Joined: Feb 2001
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Campfire Tracker
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Campfire Tracker
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their 50 B&M, a 7.5# rifle launching a 500 gr bullet @ 2150 from an 18" barrel. i wouldn't make fun of that one.... That one may cause a BM!
Guns don't kill people, it's mostly the bullets
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Joined: Jun 2007
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Campfire Ranger
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Campfire Ranger
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A .411cal with pistol bullets up to 400 grain thumpers would also rate a thought.
The 405 pointed Hornady bullets might be a good varmint bullet...
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Joined: Nov 2007
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Campfire Ranger
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Campfire Ranger
Joined: Nov 2007
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their 50 B&M, a 7.5# rifle launching a 500 gr bullet @ 2150 from an 18" barrel. i wouldn't make fun of that one.... That one may cause a BM! ...involuntary as it may be...
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Joined: Jun 2010
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Campfire Member
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OP
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Thanks for all the feedback! I'm thinking about an 18.5" barrel would make a slick handling short-range powerhouse!
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Joined: Jun 2008
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Campfire Member
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Campfire Member
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There is an ongoing series of articles in PS right now on something like this.
Excuse my ignorance but what is PS? Those articles would be of interest to me.
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Joined: Nov 2007
Posts: 29,650 Likes: 5
Campfire Ranger
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Campfire Ranger
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Campfire Regular
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efw, Any chance of scanning the articles and emailing them? The 35WSM is known as the 35Sambar in Australia, a friend has built one on a Ruger and its a hammer at just under Norma Magnum speeds! I've had a 458B&M built on a Ruger and its also a very nice package. Friends are building a trio of '458WSSM' with Manson just finalising reamer specs at the moment. Cheers... Con
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Joined: Jan 2001
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Campfire Ranger
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Campfire Ranger
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Thanks for all the feedback! I'm thinking about an 18.5" barrel would make a slick handling short-range powerhouse! I'd guestimate from the short tube you'd be looking at 350 gr @ 2400+ fps and 400 gr @ 2200 fps. That's not a bad territory to be in, but I'm kinda partial to the gold standard of 416's which is 350's @ 2700 fps and 400's @ 2400 fps. Also at level of recoil, there is something to be said for a rifle that has a little bit of weight to it.
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Joined: Nov 2007
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Campfire Ranger
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Campfire Ranger
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PM inbound.
That second article arrived in my box today... 375 WSM... he reiterates how the cartridge gets better the bigger the bore gets...
I've got a 325 WSM that I've learned to like, but that 375 WSM idea is one that may prove irresistible...
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Campfire Tracker
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Gary Junk at Arctic Gunworks in Fairbanks,Alaska has also played with that wildcat.
Sincerely,
Thomas
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