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Hot Topic (More than 10 Replies) 40/50 sharps straight or 40/60 maynard (Read 6109 times)
cdnrokon
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40/50 sharps straight or 40/60 maynard
Jul 8th, 2019 at 12:52pm
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I have a roller needing a barrel and i have a 40 cal GM .408 on the way ,I do not think that I will get back into silhouette shooting again but would love to find something cheap to reload what are your thoughts on both calibers.
  
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art_ruggiero
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Re: 40/50 sharps straight or 40/60 maynard
Reply #1 - Jul 8th, 2019 at 3:43pm
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i like my 40/50 ss it shoots very good.  it has shoot sil.  for several other people with good results, but if you intend to shoot sil. i might opt for the 40/60    art
  
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Deadeye Bly
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Re: 40/50 sharps straight or 40/60 maynard
Reply #2 - Jul 8th, 2019 at 8:45pm
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There is not much difference in costs to shoot these rifles. You can only save a few bucks by shooting less powder, all else costs about the same. 

I'm a 40-50 fan. Got my son shooting one about 15 years ago. It works for silhouette and will do OK at mid-range. He shot 416 grain bullets at rams  but I spoke with a fellow 2 weeks ago with one and he shoots the Saeco 640 370 grain bullet across the board. He claimed that he had never rung a ram with the bullet. It's a fun little cartridge, very efficient, accurate and historical.

One other point - If it proves not powerful enough for you just ream it out to the 40-60 Maynard, no other changes required.
  
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SSShooter
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Re: 40/50 sharps straight or 40/60 maynard
Reply #3 - Jul 8th, 2019 at 10:01pm
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Not only are John Bly's son's junior records held with the 40-50SS, have been told the long-run on turkeys is also with a 40-50.
  

Glenn - Stevens 044 1/2, Bartlein SS 5R barrel in 22LR
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marlinguy
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Re: 40/50 sharps straight or 40/60 maynard
Reply #4 - Jul 9th, 2019 at 11:11am
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The .40-50SS is my choice, especially for smokeless powder loads. It's also made from really cheap .303 British, or .30-40 Krag brass, so that's a big plus too.
I have two Rollers in this caliber. One an original Sporting Rifle, and another I recently built up from parts. One of my favorite .40 calibers!
  

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Reverend Al
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Re: 40/50 sharps straight or 40/60 maynard
Reply #5 - Jul 9th, 2019 at 12:45pm
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I agree on the .40-50SS ... dead easy to form from easily sourced .303 Brit cases and mild to shoot.  I need to get out and shoot some more test loads in mine ...

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I may have passed my "Best Before" date, but I haven't quite reached my "Expiry" date yet ...
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cdnrokon
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Re: 40/50 sharps straight or 40/60 maynard
Reply #6 - Jul 10th, 2019 at 11:20pm
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marlinguy wrote on Jul 9th, 2019 at 11:11am:
The .40-50SS is my choice, especially for smokeless powder loads. It's also made from really cheap .303 British, or .30-40 Krag brass, so that's a big plus too.
I have two Rollers in this caliber. One an original Sporting Rifle, and another I recently built up from parts. One of my favorite .40 calibers!


What length of barrel on your guns?
  
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marlinguy
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Re: 40/50 sharps straight or 40/60 maynard
Reply #7 - Jul 11th, 2019 at 11:36am
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My original Roller is a 30" half octagon. The one I recently built up has a new 34" Green Mountain full octagon 3.5 weight on it.
I haven't done much workup on the new one yet, but hoping the long barrel is a good choice. I did it to mimic the looks of a Creedmoor, but wanted to use the .40-50SS because I think it's such a neat caliber.
  

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cdnrokon
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Re: 40/50 sharps straight or 40/60 maynard
Reply #8 - Aug 28th, 2019 at 5:19pm
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Thanks everyone for the input on the 40/50ss I am going with this caliber. Now to get all the pcs required to build loads.
Dies surprising were easy to find, brass 303 no problem , wads on the way, now just to pick bullet style and weight .
searching on forums trying to find smokeless load data using 
AA5744 or AA2495 sould be a fun one to shoot.
  
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marlinguy
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Re: 40/50 sharps straight or 40/60 maynard
Reply #9 - Aug 28th, 2019 at 5:58pm
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cdnrokon wrote on Aug 28th, 2019 at 5:19pm:
Thanks everyone for the input on the 40/50ss I am going with this caliber. Now to get all the pcs required to build loads.
Dies surprising were easy to find, brass 303 no problem , wads on the way, now just to pick bullet style and weight .
searching on forums trying to find smokeless load data using 
AA5744 or AA2495 should be a fun one to shoot.


Just use .38-55 data. It will work fine. Of course most data will be for 255 gr. bullets, and the .40-50SS works best with a 300 or 350 gr. So reduce the charges, or use lower level charges for the lighter bullet and it will be fine.
And it is a very enjoyable round to shoot!
  

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Re: 40/50 sharps straight or 40/60 maynard
Reply #10 - Aug 28th, 2019 at 8:33pm
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I have a 40-50 BN that is also fun and can be made from 45-70 brass. Accuracy is not what I think it could be but that is my fault. Still fun to shoot. Matter of fact I need to work some more work with it.........
  
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Gard72977
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Re: 40/50 sharps straight or 40/60 maynard
Reply #11 - Sep 2nd, 2019 at 6:51pm
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Whos reamer works best? The dies I find Are for .408 is that what everybody's using. I'm very interested in this car ridge.
  
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RemFan
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Re: 40/50 sharps straight or 40/60 maynard
Reply #12 - Sep 5th, 2019 at 8:49am
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Are the rims the correct thickness on the 303 and the 30-40 brass to headspace correctly in the 40-50 SS chamber?
i have just started to research this cartridge.  Glad i found this post.
  
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cdnrokon
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Re: 40/50 sharps straight or 40/60 maynard
Reply #13 - Sep 7th, 2019 at 1:17pm
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The reamer that he is using is for a 40/60 Maynard with a stop collar on it for 40/50 sharps straight. He then is going to cut the rim to fit the 303 British .60 rim thickness 

RemFan wrote on Sep 5th, 2019 at 8:49am:
Are the rims the correct thickness on the 303 and the 30-40 brass to headspace correctly in the 40-50 SS chamber?
i have just started to research this cartridge.  Glad i found this post.

  
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marlinguy
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Re: 40/50 sharps straight or 40/60 maynard
Reply #14 - Sep 7th, 2019 at 7:19pm
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RemFan wrote on Sep 5th, 2019 at 8:49am:
Are the rims the correct thickness on the 303 and the 30-40 brass to headspace correctly in the 40-50 SS chamber?
i have just started to research this cartridge.  Glad i found this post.


Yes, the rims work fine for .303 or .30-40 for both my original Rolling Block, and my recently completed version. Both in .40-50SS.
  

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