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OP
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Does it have to be a flanged cartrige?
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Campfire Kahuna
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Campfire Kahuna
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Not unless you're a single-shot purist.
I have several friends who've rebarreled Ruger No. 1's over the years to various rimmed rounds, simply because older falling-block actions needed a rimmed/flanged case to function. But No. 1's and Hagn's don't, so having them chambered for a rimmed round is sort of like leaving the chamber under the hammer empty on Ruger Blackhawks. It's traditional, but has nothing to do with functional reality.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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I am thinking a 7x57 mauser would be perfect for a stalking rifle and plains game.
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Campfire Tracker
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I'd base the cartridge selection on what I was going to shoot with the rifle.
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Campfire Kahuna
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Campfire Kahuna
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“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Campfire Oracle
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Campfire Oracle
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Fred's on the cutting edge...  Ingwe
"...the left considers you vermin, and they'll kill you given the chance..." Bristoe
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Campfire Ranger
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Campfire Ranger
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I'm thinning my safe herd and trading several rifles for one single shot, a pretty Blaser K95. To keep things simple (I have already have dies,bullets, and cases, and appropriate powders), I am thinking 30-06 but in this case and time of life the rifle is more important than the chambering and I will take a 280 or a 7mm Rm, all good for the usual NA big game if it gets me the rifle I want sooner.
A purist may call for a rimmed cartridge, and for the German Blaser, one of the continental metrics but I'm actually trying to be practical here. Something new to me; besides, I've actually figured out the 30-06 is a very good and multi-talented cartridge.
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Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
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I went through the same thing when I bought my Merkel K-1 a few years ago. Instead of getting a 7x57R or something like thatg, I got a .308--which works perfectly--and the Merkel and Blaser actions are quite similar.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Campfire Oracle
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Campfire Oracle
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458 Lott, cuzz you only want to shoot it once.
"Dear Lord, save me from Your followers"
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Campfire Ranger
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Campfire Ranger
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7 Mashburn Super for me
Dober
"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy
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Campfire Regular
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Campfire Regular
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Con,
Not to get too technical, but technically wouldn't that be the "Super-Thirty Flanged"? Yes indeed ... and doesn't it roll off the tongue smooth as silk! "I shoot a Super Thirty Flanged".  I just feel that a person selecting a single-shot is doing it for reasons beyond pure practicality. Cartridge choice should reflect that and in my opinion is best rimmed or at least 'classic'. I have two No1's coming in 303British and 450/400NE ... but I'd like to grab another in 30cal. probably break my own rule and grab a 300H&H.  Another lovely choice would be a 375 Flanged Nitro Express or if only chasing lighter game ... a 7x57R. Cheers... Con
Last edited by Con; 04/03/10.
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Campfire Tracker
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Those would round it out nicely! Perhaps a varmint rifle in 219 Zip Imp, or one of the Euro 5.56x??R.
Jeff Were you thinking 5.6x50R or 5.6x52R 9.22 Sav Hi-Power? Edw Ed, The x50R. While I think the Hi-Power is a cool round, the bullet selection is pretty skimpy. Jeff
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Campfire Tracker
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As for the rimmed rounds being favored due to tradition. That absolutely is part of it. That said, a rimless extractor, is much simpler mechanically, and would be generally more robust. No spring loaded blade, as is used in break action guns. As for the No.1. I would think it would have a more positive extraction, were it designed around a rim. For starters, the extractor itself, could cover the entire extractor cut in the chamber, rather than the as issued little hook. You also wouldn't need the spring loaded plunger that pushes the extractor against the camming surface on the block. It could just come straight back the whole way. Fewer moving parts/simpler mechanics, is never a bad thing IMO. Having said that, I've never had an extraction problem, after firing several thousand rounds through various No.1's......a guy's gotta nit pick something! Jeff
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Campfire Ranger
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Campfire Ranger
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I went through the same thing when I bought my Merkel K-1 a few years ago. Instead of getting a 7x57R or something like thatg, I got a .308--which works perfectly--and the Merkel and Blaser actions are quite similar. I must admit the 8x68 intrigues me (here I go again) but then the idea of an "8mm RM" in a 5 1/2lb rifle doesn't seem to me like a match made in heaven.
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Campfire Kahuna
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Campfire Kahuna
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Con,
Oh, I agree with you--at least to a certain extent. About a third of my single-shot are chambered for rimmed rounds, from the .22 Hornet to the .450/.400, though my Super-Thirty is the belted version. And only my Merkel .308 is chambered for a cartridge developed after about 1925, but then I deliberately chose it as a travel rifle, because it takes down so easily--and good .308 ammo is very easy to find world-wide.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Campfire Kahuna
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Campfire Kahuna
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Jeff,
The only time I've had a No. 1 fail to extract was once after I shipped one off to a gunsmith who claimd to be a No. 1 expert. It was supposed to be a simple rebarrel job, but he also rebedded the forend (in a way I hadn't asked for, and didn't like), and when he replaced the quarter-rib he got it on slightloy crooked. And he evidently lost the extractor spring and replaced it with a wimpier one, so about one in three rounds didn't extract.
I fixed everything myself, partly because it had to taken so long to get the rifle back in the first place. I modified some Ruger rings so a scope could be mounted parallel to the bore, rebedded the forend, and replaced the extractor spring. But that is the only No. 1 I've had fail to extract, and I must have owned a couple dozen over the years, including several in varmint chamberings that were shot thousands of times.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Campfire Outfitter
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Campfire Outfitter
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458 Lott, cuzz you only want to shoot it once. You mean "cuzz you only get to shoot it once." (And now starts the discussion about how fast you can reload and get a second, aimed shot off! No need. To quote Foghorn Leghorn, "It's a joke son. It's a joke!")
Wade
"Let's Roll!" - Todd Beamer 9/11/01.
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Campfire Ranger
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Campfire Ranger
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Jeff,
So, you're saying that a single break action like the K95 that is chambered for both rimmmed and rimless cartridges has significantly different extraction systems and that the one for the rimmed cartridges is simpler, more robust, and less prone to failure?
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Campfire Tracker
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Campfire Tracker
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Jeff,
The only time I've had a No. 1 fail to extract was once after I shipped one off to a gunsmith who claimd to be a No. 1 expert. It was supposed to be a simple rebarrel job, but he also rebedded the forend (in a way I hadn't asked for, and didn't like), and when he replaced the quarter-rib he got it on slightloy crooked. And he evidently lost the extractor spring and replaced it with a wimpier one, so about one in three rounds didn't extract.
I fixed everything myself, partly because it had to taken so long to get the rifle back in the first place. I modified some Ruger rings so a scope could be mounted parallel to the bore, rebedded the forend, and replaced the extractor spring. But that is the only No. 1 I've had fail to extract, and I must have owned a couple dozen over the years, including several in varmint chamberings that were shot thousands of times. Geez John! At least you know who not to send a rifle to; No.1's in particular! You also now know who you can trust your No.1 to......you! Like I said, I'm just picking nits. Never an extraction problem here, either. My only point is that a mechanically simple design, could be even more simple, were it rimless. Jeff
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Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
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Oh, yeah, an extractor for a rimmed round is usually simpler in a single-shot. Though the extractor in my Merkel K-1 .308 is just as simple as those for the rimmed round.
The simplest "extractor" I've seen on a rifle is the one on the 38-pound .338 Lapua sniper rifle I'm presently testing. This rifle is a single-shot bolt action that's as simple as it gets. It doesn't even have a bolt stop or a safety. The front of the bolt is essentially exactly like the case-holder in a reloading press. You remove the bolt from the rifle, slide the rim of the case into the face of the bolt, replace the bolt (with round), and fire!
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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