Norma MRP Powder

Discussion in 'Reloading' started by victor, Mar 15, 2006.

  1. victor

    victor Well-Known Member

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    Hi Guys,

    Does anybody know if you can currently buy Norma MRP powder in the states.

    And if so, where can it be purchased.

    If it's not available now, does anybody know if it will be available in the future.

    Thanks,
    Victor
     
  2. BountyHunter

    BountyHunter Writers Guild

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    Right now it is not available that I know of. However, Black Hills is the new distributor and it is supposed to be on the way. you might contact them and see when it is going to be available.

    Great powder for the 300 WSM, use same data as most books use for RL22. Very little if any lot to lot variance.

    BH
     

  3. green 788

    green 788 Well-Known Member

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    Here's a copy of an interesting letter from Alliant...

    [​IMG]

    FWIW...

    Dan
     
  4. royinidaho

    royinidaho Writers Guild

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    Dan,

    Hmmmmmm, I was lead to believe that RL-22 was the same as MRP but with much, much less quality control applied.

    Years ago N205 was very consistent from lot to lot. I would suppose that MRP is very consistent from lot to lot, though I have never got my hands on any.

    RL-22 is about as consistent from lot to lot as, well I don't know what, but it's not consistent at all, in my experience.
     
  5. green 788

    green 788 Well-Known Member

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    Roy,

    I agree that RL22 has had some lots that were off rate in recent years.

    I don't believe that RL22 is an "improved version" of MRP. It's likely just re-labeled MRP--and the rest is just marketing rhetoric. /ubbthreads/images/graemlins/smile.gif

    That letter dates back to the 1980's, of course. I don't know what may have changed since then. But apparently, RL22 and MRP are very similar, if not the same, animals...

    Dan
     
  6. goodgrouper

    goodgrouper Well-Known Member

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    A local gunshop here in Utah has had 202 and MRP on it's shelves for the last 5 or 6 years. It is in a metal tin can painted red and is shaped similiarly to the old IMR cans.

    Been eyeballing the MRP for use in my 6.5-.284 for awhile but haven't tried it yet. Supposed to be more consistent from lot to lot than RL22 from what I've been told.

    If you would like to get a hold of the gunshop, the number is 801-226-7080.
     
  7. GO-FASTER

    GO-FASTER Well-Known Member

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    When all of you say consistent problems with reloader 22 what are you talking about groups - speed or ???
     
  8. royinidaho

    royinidaho Writers Guild

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    1) Lot to lot variations.
    Example: xx.x gr RL-22 Lot A = 2800 FPS
    xx.x gr RL-22 Lot B = 2930 FPS (338 Win)

    2) Temperature sensitivity:

    Summer time velocity (Temp = 75 degrees) = 3200 fps Temp drops to the 30s velocity drops by 130 fps (270 wom)
     
  9. victor

    victor Well-Known Member

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    Hi Guys,

    Thanks for all the responses.
    I have talked to a Norma rep. several years ago and he said basically what all you guys are saying. MRP and REL22 are virtually the same powder except the MRP is held to much tighter quality control standards.

    I have tried both powders and I get better accuracy with the MRP. That's my bottom line and that's why I'll purchase the MRP over REL22, "If it becomes available again". I'll have to keep my eye on Black Hills I guess.

    Regards,
    Vic
     
  10. Alan Griffith

    Alan Griffith Well-Known Member

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    Victor,

    I receive quarterly flyers from Black Hills "Shooters Supply" a wholesaler in S. Dakota. They say they will have MRP coming either this spring or summer. I called last week and they don't have an arrival date as of yet.

    Big Al
     
  11. BountyHunter

    BountyHunter Writers Guild

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    About 3 yrs ago a really "hot" lot of RL22 got released. I loaded it for a big match without checking it. I was blowing primers and breaking trigger sears. went through three triggers in two days. Needless to say, I did not win.

    Once I got home and checked the lot I had to come down 4.0 grains from previous lot. Last time I used RL22.

    Watch lot to lot variance.

    BH
     
  12. Mazama

    Mazama New Member

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    We have it in stock at Mazama Sporting Goods, 541-484-9993
     
  13. Natty Bumpo

    Natty Bumpo Well-Known Member

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    Grafs & Sons of Mexico, MO also sells Norma powders. I just checked their website, and to my amazement, they had both MRP and 204 in stock (not in all weights, but in the 1lb containers).
     
  14. nheninge

    nheninge Well-Known Member

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    "Improved" does not necessarily mean better in industry terms. Industry whores out these terms to relate to a products availability, production standards, cost etc. Quality control and lot to lot variation ( the part reloaders are generally more concerned with) may or may not be a part of the equation.