460S$W on a H&R sb2

IN gunsmith

September 08, 2012 06:13

460 on ah&r sb2 recever i can do the job but will the sb2 recever hold it? 460s&w is in the hi 50s any help

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  tsr1965

  September 08, 2012 06:33

  DON'T do it! The H&R reciever is not made to take that much thrust. The 460's pressures can escalate, way above the high 50KPSIG. It is nothing to joke with.
  
  Best

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  rufe-snow

  September 08, 2012 06:35

  This is a photo off the net of the H & R SB2.
  
  

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  IN gunsmith

  September 08, 2012 06:48

  ok how is it that a 308 that can get to 60.000# is put on a sb2? i am trying to understand.

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  mark christian

  September 08, 2012 06:54

  My understanding is that the SAAMI maximum average pressure (MAP) of the .460 is 65,000 psi. while 308 Winchester rounds have an average pressure of 52,000 psi.

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  babun

  September 08, 2012 10:15

  That gun is factory available in 22/250, isn't it?? It can handle the pressures then.

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  ruger41

  September 08, 2012 11:08

  The gun is already available from the factory in .500 S&W. I would say it should be able to handle .460 S&W. http://www.hr1871.com/Firearms/Rifles/youth.asp
  
  I don't think I'd waste my time building a .460 in a H&R. Id buy the .500 version or if you just want that caliber and a single shot rifle then get a Ruger #1 that comes in that caliber from the factory.

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  tsr1965

  September 08, 2012 12:13

  The PRESSURE is related to thrust, but the thrust entails the pressure in pounds per square inch, multiplied by the surface area in which it acts upon, to come up with pounds thrust. Thrust is the reason Thompson Center would not chamber any 308 head sized rounds in the Contender, and the reason why we have both the Encore, and the Contender now. They are both superrior to that H&R.
  
  If you must try the 460 S&W in that H&R, all I can say, is it is your face, and limbs, not any of ours.
  
  The 500 operates at a little...not much lower pressure, than that of the 460.
  
  Best

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  fordsix

  September 08, 2012 12:25

  i have a 500S&W rifle your not going to like the kick..i fired mine 4 times with full loads ..that was that

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  5mmgunguy

  September 09, 2012 08:17

  If the customer wants a H&R, I would just tell him to get it in 500 S&W. What ever he is shooting will not be able to tell the difference between the 460 and the 500 and you remove the liability issue. Because if the 460 ever lets go it will be your fault.
  
  You could call H&R and ask if they have ever considered building it in 460? There there are issues they would probably tell you.

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  IN gunsmith

  September 09, 2012 09:25

  ok i think i will not do this one--thanks for the help. now i have a barrel blank in .452 can i cut a 458x2 chamber in it and reload and use 452 die. bullets?

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  IN gunsmith

  September 09, 2012 09:27

  by the way i fogot to say this will be on a 98 mauser.

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