Powder for 270 WSM

Discussion in 'Reloading' started by altahunter, Aug 25, 2007.

  1. altahunter

    altahunter Member

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    I have a Tikka T3 LS in 270 WSM with a 24" barrel. I have ordered 150 grain RBBT's from Richard at Wildcat Bullets. Can anyone suggest a decent powder to work with? H1000 was working good with TSX's but I am running low on that so I'm open to suggestions on other brands or if you think I should stay with the H1000. Also how will these bullets perform in the factory 10" twist barrel?
     
  2. Spino

    Spino Well-Known Member

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    I have the same gun, but in stainless synthetic.

    Winchester Brass
    Winchester WLRM Primers
    130gr Accubond
    RL-19 63.5gr


    Scary Accurate, shoots 1/4"... I get alot of same hole performance too..

    Nosler: bullets, ammunition, rifles, brass, and reloading data.




    Just tried this load today:

    Winchester Brass
    Winchester WLRM primers
    115gr Sierra Matchking
    RL-19 68gr.

    Shooting a little less than 1/2" right now with the 68gr charge. Load seemed to want to go faster. Group tightned up when I went from 66gr to 68gr. I'm going to try another 1/2gr incriment and see what it will do from there.. Both loads are impacting within a 1/2 inch from each other... This means I can shoot both bullets with moving a thing.


    Can't wait to try the 110gr TSX:

    Barnes is posting - RL-19 71.0gr 3552fps

    http://www.barnesbullets.com/images/270WinchesterShortMagnumWeb.pdf


    My Tikka sits below a Zeiss Conquest 4.5-14x44mm scope... Rock Solid!
     

  3. altahunter

    altahunter Member

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    270WSM powder

    Thanx for the info. The gun is a stainless synthetic. My mistake... had just finished up my 12 hour night shift and wasn't paying too much attention to what I wrote there :) I had already went out today and picked up some powder to try (Hodgdon's H4831SC) and will give that a try. Just waiting on the Wildcat Bullets which should be here any day! Can't wait to work up the loads and enter the results in Loadbase. I picked up a Pentax Pioneer 4.5x14x42 for it. Scope is great compared to all the cheapo's I used to use.
     
  4. royinidaho

    royinidaho Writers Guild

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    If I can get WSM velolicies out of a Win w/no excessive pressure and 140s using RL-22 plus sweet accuracy, I don't see why that powder wouldn't be good to get decent WSM velocities. Just makes sense to me.....
     
  5. johnnyk

    johnnyk Well-Known Member

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    Roy, I agree, RL22 would be my choice with the .270WSM (if I had one). It's an awesome powder! I think the 270wsm would make a fine LR deer rifle if a long enuf tube was used. Wouldn't want anything less than 26". I always thought the .270 Winchester would do anything the 7mm Mag would do if it had a long enuf barrel and a good 140gr bullet was used. JohnnyK.
     
  6. Jumpalot

    Jumpalot Well-Known Member

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    I use Magpro under 140 grain Accubond @ 3331 fps. Sub 1/2" groups.
     
  7. Spino

    Spino Well-Known Member

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    The RBBT's are cool looking and looks like they will perform well for those really long distance shots. Best of luck! I tried the Hodgdon's H4831SC, but just couldn't seem to work up a load. Here is a pick of my tikka with it's new skin & on the target there are two shots there from the 130gr Accubond:

    [​IMG]
     
  8. Spino

    Spino Well-Known Member

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    I'm curious to know what you come up with?
     
  9. jwp475

    jwp475 Well-Known Member

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    I think that H-1000 would be an excelent choice...........[​IMG]
     
  10. RockZ

    RockZ Well-Known Member

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    I have had great results with 140 accubonds and IMR 7828SSC. It is shooting sub.5 " -3 shot groups with good velocity and low SD.
     
  11. ol mike

    ol mike Well-Known Member

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    Isn't ramshot magnum designed for the shortmags ?
     
  12. shootinfool

    shootinfool Well-Known Member

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    I use the RL-19 for my .270 wsm. It produces sub moa 5 shot groups at 100 yds from bench rest. I use 63.4 grains of powder with a 130 grain nosler balistic tip and get an average velocity of 3060fps. I have also used H4831sc but could not get the accuracy that I wanted. I am considering switching powders though.
     
  13. CapDog

    CapDog Well-Known Member

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    I've had success in both velocity and accuracy with Ramshot Magnum and H1000. I couldn't get published velocities with H4831 or Retumbo out of my 24" M70 although the were both very accurate.