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4831 & R17 |
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SD Dog
Optics Master Extraordinaire OT Scratching Post Joined: February/28/2008 Status: Offline Points: 4177 |
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Posted: February/23/2009 at 16:52 |
What is the difference between 4831 & 4831sc other than the latter being short cut for ease of metering? What is the deal about R17? Seems like everyone wants it and it is in short supply. Why is this? Starting to reload for my .270. 4831 dates back to Jack, but I didn't know if the sc is much different so I thought I would start my quest here.
Edited by SD Dog - February/23/2009 at 17:28 |
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If nobody ever said anything unless he knew what he was talking about, a ghastly hush would descend upon the earth. AP Herbert
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rifle looney
Optics Master Joined: November/21/2008 Status: Offline Points: 2553 |
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Yes the sc meters better so more accurate flow or charge wght. re 17 is supposed to give higher velocities but? they are based off the speer manual which is on the slow side anyway?
its also more taylored for the wsm cartridges? |
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300S&W
Optics God Joined: January/27/2008 Location: Burlington,WV Status: Offline Points: 10592 |
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I reloaded for my friend's .270 Win for 20+yrs. 130gr Speer sptz flat base w/more H4831 than the max loads list today. I believe todays H4831 has a bit faster burn rate than what I was using(stash is gone). It's still arguably the top powder for the .270 Win,at least w/130gr bullets. I doubt I'll reload for my FWT but if I did I'd probably try RL22 as it shows top velocity and I use it in two other cartridges I load for.
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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H4831 and h4831sc are identicle in burn rate.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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just make sure you dont confuse imr 4831 and h-4831
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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SD Dog
Optics Master Extraordinaire OT Scratching Post Joined: February/28/2008 Status: Offline Points: 4177 |
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Yeah, they are not the same. Still have the question, what is the deal about R17? According to Alliant's web page, the R17 will push a 130gr 3136 fps and a 150gr 2921 fps. It says these #s are MAX and from the latest SPEER reloading manual, did not give a #. I have an older SPEER manual #10 and for 4831 it gave a max fps for a 150gr 2827. Just wonder which to try as don't have any power bought yet.
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If nobody ever said anything unless he knew what he was talking about, a ghastly hush would descend upon the earth. AP Herbert
Stupidity & ignorance have been the foundation for many certainties. |
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rifle looney
Optics Master Joined: November/21/2008 Status: Offline Points: 2553 |
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Dont know my Speer is #13 I think and does not list the new17
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Monster
Optics Master Joined: December/16/2008 Location: So. Cal Status: Offline Points: 2031 |
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no it does not....
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"Get Busy Livin' or get busy dyin'" -Red (Shawshank Redemption)
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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none of the manuals out currently list r-17. you have to email alliant to get data right now.
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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I am currently working on loads for my 270Win using RE17. My gun seems to really like 52.5 to 52.9gr of RE17 with 130gr SSTs & interbonds both clocked in at 3050fps+/- 15.
Both SSTs & Interbonds are ballistic tip & boattail design
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