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Offline scratchmark

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sb1 rifle???
« on: July 05, 2011, 01:34:37 PM »
has anyone fitted rifle barrels to an sb1 frame for use with cast bullets and cast bullets only !?
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Offline quickdtoo

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Re: sb1 rifle???
« Reply #1 on: July 05, 2011, 01:49:30 PM »
What chambering? SB1 frames are only good for low pressure chamberings, 357mag and 44mag both come on SB1 frames since 2008. You wouldn't want to fit a high pressure chambered barrel to an SB1 frame, the possibility of someone shooting a factory round in it could be disastrous.

Tim
 
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Offline cwlongshot

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Re: sb1 rifle???
« Reply #2 on: July 05, 2011, 02:58:41 PM »
Quote from: quickdtoo on July 05, 2011, 01:49:30 PM
What chambering? SB1 frames are only good for low pressure chamberings, 357mag and 44mag both come on SB1 frames since 2008. You wouldn't want to fit a high pressure chambered barrel to an SB1 frame, the possibility of someone shooting a factory round in it could be disastrous.

Tim

Scratch Mark,
 I completely agree with Tim!!
I believe I get your "drift". But you must not go down this road. Simply loading a caliber lighter will not sufficiently protect someone else from cambering even a factory round. Even loading a caliber such as a 25/06, (Fit to a SB1 receiver) to pressures and velocities on par with a 25 ACP. Could result in catastrophic failure should someone unknowingly chamber and fire a factory 25-06 cartridge.
 
PLEASE DO NOT DO IT!!
 
CW
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Offline mechanic

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Re: sb1 rifle???
« Reply #3 on: July 05, 2011, 03:48:19 PM »
Because I have some guns that use multiple barrels, I am working toward having only SB2's, even on my shotguns.  I don't want my grandchildren to make a mistake some day.......or anyone else for that matter.
 
Ben
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Offline petemi

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Re: sb1 rifle???
« Reply #4 on: July 05, 2011, 03:53:26 PM »
mechanic, I do the same.  All my rifles, including .357s and .44 are on SB2 frames.  The shotguns will soon be also.

Pete
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Offline Doublebass73

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Re: sb1 rifle???
« Reply #5 on: July 05, 2011, 05:48:17 PM »
I have a policy of only using SB1 frames with rifle barrels that came out of the factory on SB1 frames. 357 Mag, 44 Mag and 45 LC. If I want a high pressure round I'll get an SB2.
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Offline quickdtoo

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Re: sb1 rifle???
« Reply #6 on: July 05, 2011, 06:32:57 PM »
Quote from: Doublebass73 on July 05, 2011, 05:48:17 PM
I have a policy of only using SB1 frames with rifle barrels that came out of the factory on SB1 frames. 357 Mag, 44 Mag and 45 LC.
I know what you meant to say, but that's kinda misleading to the newbies, the 45LC only came on an SB2 frame and H&R won't fit them to SB1 frames, the 45/410 Survivor barrel does come on an SB1 frame tho.  ;)
 
Tim
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Offline scratchmark

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Re: sb1 rifle???
« Reply #7 on: July 06, 2011, 12:45:17 AM »
I do understand the ramifications of having a high pressure barrel on a lower pressure reciever. I have just a few recievers in sb1 & 2 so i seldom ever leave a barrel on ' unless it was original to that reciever. Was just curious about the pressure levels being fairly close in nature. I do alot of cast bullets, more and more as i get older and things become more expensive. This helps to keep me shooting at the rate im used to. again ' thanks for all the concern.
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Offline cwlongshot

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Re: sb1 rifle???
« Reply #8 on: July 06, 2011, 03:10:20 AM »
Quote from: scratchmark on July 06, 2011, 12:45:17 AM
I do understand the ramifications of having a high pressure barrel on a lower pressure reciever. I have just a few recievers in sb1 & 2 so I seldom ever leave a barrel on ' unless it was original to that reciever. Was just curious about the pressure levels being fairly close in nature. I do alot of cast bullets, more and more as i get older and things become more expensive. This helps to keep me shooting at the rate im used to. again ' thanks for all the concern.

We do understand your point of view. In and of itself it is correct. Any chambering loaded to the appropraite levels safe for its action will be safe. YES. BUT, I for one have had a brush with death and its changed some of my views. What it a grand child, wife or close friend fires this after your gone or not around to properly inform them of your practices? BAD things that what!! In my book, its simply not worth the risk!
There is another thread reciently started on here about the 45-70 on a SB1. Dont be confused. Our conserns lie with factory chamberings as we have no way to know or control handloaded ammo. Factory stuff is the basis for whats safe and appropraite. The factory 45-70 is fine on a SB1 as its loaded to levels safe for some of the very old firearms chambered for it. It was also factory assembled on SB1 strength actions. (Pre SB1 / 2 labled actions)

So our ( my) worries lie when that firearm is beyond your control.

Be safe,

CW
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Offline gcrank1

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Re: sb1 rifle???
« Reply #9 on: July 07, 2011, 05:49:38 AM »
On that 45-70 factory load thing.......
It 'used to be' that the factory loads were all fairly 'soft', suitable in even the trapdoor Springfields. Some of these new offerings from the manufacturers I will not shoot in my 1884 'improved model' Springfield, IMHO they are too stout. The H&R SS-UH and the Handi Rifle will be fine with them, but not a Shikari as far as I am concerned.
Now, that said, the lead bullet loads, not the jacketed, from the factories, are likely to all be 'trapdoor safe', thus reloader, cast bullet safe to the same levels.
Just thought it oughta be said here on this thread.........
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Offline quickdtoo

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Re: sb1 rifle???
« Reply #10 on: July 07, 2011, 06:32:29 AM »
Quote from: gcrank1 on July 07, 2011, 05:49:38 AM
On that 45-70 factory load thing.......
It 'used to be' that the factory loads were all fairly 'soft', suitable in even the trapdoor Springfields. Some of these new offerings from the manufacturers I will not shoot in my 1884 'improved model' Springfield, IMHO they are too stout. The H&R SS-UH and the Handi Rifle will be fine with them, but not a Shikari as far as I am concerned.

I probably wouldn't even shoot an original trapdoor 45-70 as a personal preference!  ;D   But on the Shikari, considering it was also made in 44mag, if you compare the breech thrust of the two rounds, the 44mag has a bit more thrust than the 45-70, 5905 lbs @  SAAMI MAP of 36kpsi compared to 5608 lbs for the 45-70 @ the SAAMI MAP of 28kpsi.
 
Tim
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Offline geezerbiker

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Re: sb1 rifle???
« Reply #11 on: July 07, 2011, 07:36:58 AM »
Why can't you shoot .44 mag loads with cast bullets?  It meets the criteria of a SB1 rifle for cast bullet loads and gets rid of the concerns about someone putting a around in the rifle cannot handle... 

Tony
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Offline Doublebass73

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Re: sb1 rifle???
« Reply #12 on: July 07, 2011, 08:14:41 AM »
Quote from: quickdtoo on July 05, 2011, 06:32:57 PM
Quote from: Doublebass73 on July 05, 2011, 05:48:17 PM
I have a policy of only using SB1 frames with rifle barrels that came out of the factory on SB1 frames. 357 Mag, 44 Mag and 45 LC.
I know what you meant to say, but that's kinda misleading to the newbies, the 45LC only came on an SB2 frame and H&R won't fit them to SB1 frames, the 45/410 Survivor barrel does come on an SB1 frame tho.  ;)
 
Tim

Thanks Tim, I did think of that but I figured it was safe to post since H&R doesn't make that barrel anymore  :'(  If anyone wants a 45 LC on an SB1 they can only get the 45/410 version.
 
I do have a 45 LC only mounted on my son's Versa Pack frame. He hates recoil so it only sees less than standard pressure loadings. Trail Boss and .454" round balls and he's a happy camper.
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Offline gcrank1

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Re: sb1 rifle???
« Reply #13 on: July 07, 2011, 02:54:34 PM »
 ;) , Tim, YES you would if it was in as tight condition as mine! But I sure wont try to loosen her up with these new factory 'hotrod' loads, std loads are fine.
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Offline quickdtoo

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Re: sb1 rifle???
« Reply #14 on: July 07, 2011, 07:17:41 PM »
I dunno what "hotrod" loads you mean, Hornady Leverevolution 45-70 ammo still runs at trapdoor pressures, it states on the box "to be fired in firearms which are in good condition and originally designed and chambered for this cartridge."
 
Tim
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Offline blind ear

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Re: sb1 rifle???
« Reply #15 on: July 07, 2011, 07:28:22 PM »
Quote from: mechanic on July 05, 2011, 03:48:19 PM
Because I have some guns that use multiple barrels, I am working toward having only SB2's, even on my shotguns.  I don't want my grandchildren to make a mistake some day.......or anyone else for that matter.
 
Ben

+1, very good thought, thanks. ear
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