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need load data for 300wsm and 6.5x55 with RL22

 
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  #1  
Old 01-06-2013, 04:16 AM
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Join Date: Aug 2012
Location: Biloxi, MS
Posts: 115
need load data for 300wsm and 6.5x55 with RL22

using reloader 22 for both

300wsm with 24" barrel:
165gr sierra gameking bthp

6.5x55 with a 28" barrel:
142gr sierra hpbt mk
130gr sierra hpbt gk
140gr hornady amax
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  #2  
Old 01-06-2013, 05:09 AM
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Join Date: May 2007
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Re: need load data for 300wsm and 6.5x55 with RL22

Hornady manual does not list use of RL22 for any 140 grain bullets.
I don't have a Sierra manual and the Lyman only lists RX22 for the 6.5 with the 140 grain Sierra, is that the same powder?
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  #3  
Old 01-06-2013, 05:20 AM
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Location: Biloxi, MS
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Re: need load data for 300wsm and 6.5x55 with RL22

Most of the books don't list rl22. Was hoping some key could give me some info off quickload or from experience. I think 69gr is the magic number for the 300wsm but I'm not positive.
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  #4  
Old 01-06-2013, 06:40 AM
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Location: Texas
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Re: need load data for 300wsm and 6.5x55 with RL22

My 300WSM shoots really good with 69.0grs of Reloader-22 using 165gr bullets @ 3015fps.I have since switched to Win.760.It shoots just as good and I'm getting 3150fps with 65.0grs.
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  #5  
Old 01-06-2013, 09:21 AM
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Re: need load data for 300wsm and 6.5x55 with RL22

From the Sierra Manual, for 140-142 grain bullets 37.7-45.7 grains RL22 for 6.5x55. My manual is not new enough to have the 130 but from experience with other 130 grain class bullets (Hornady and Berger) one have a long and the other having a slightly shorter bearing surface that the Sierra, 43-47 grains.

As Always start at the bottom and work up like any data you get. Your action may be different, My Steyr SBS is pretty well insensitive to pressure so 47 grains may be warm with the 130, but I have seen where others have reported basically filing the case to the rim and packing it with a bullet. I doubt you can pack enough in there with a 130 to cause anything beyond a stiff bolt lift with a strong action. However there is little difference between observed maximum loads with it using 130 and 140 Bergers. Having not used the Sierra 130 this is why I STRESS WORK UP STARTING AT 43 GRAINS. If using a 98 Mauser action maximum loads will be lower, or they are with mine. I have 4 6.5x55 rifles with the 98 and 38 I use lighter loads. I have never pushed all the way to max on the M38.
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  #6  
Old 01-06-2013, 09:24 AM
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Re: need load data for 300wsm and 6.5x55 with RL22

Speer lists 46-50 with 120 grain bullets and 45-48 with 140, both flat based bullets. You will most likely see some great velocity gains with RL22 with your longer barrel. It has always been a good choice that most say is too slow for the cartridge. In my short barreled Steyr I use 47 grains of H4350 with a 129 Hornady and a Fed 215 at 3.1". I get groups in the .3-.5" range regularly at 100 yards.
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  #7  
Old 01-06-2013, 11:15 AM
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Location: Biloxi, MS
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Re: need load data for 300wsm and 6.5x55 with RL22

Thanks for the info. Btw, the swede is a modern action so it should handle pressures.
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