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Thread: RL17 in 338-06?

  1. #1
    Member bigswede358's Avatar
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    Default RL17 in 338-06?

    Has anybody experimented with this yet?
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  2. #2

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    I have not used it but think it could be a very good powder. In speaking with the tech some time ago he advised me to use IMR4350 load data. I am currently loading some reloader 17 using the low side of the imr4350 data in my 338WSM and the 338WSM Improved.

    Neal

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    The .338-06 is a great cartridge...good choice. I've not used RL-17 with it, but I suspect it will be well within the ballpark...following safe loading practices and procedures of course. According to Alliant, RL-17 has a burn rate similar to IMR4350.

    I've personally loaded the 338-06 with IMR4064 (a slightly faster powder) with excellent accuracy results. I've even done well with Varget (even slightly faster).

    Doc (Chuck)

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    Member bigswede358's Avatar
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    Default

    I haven't bought any yet, but like what I hear so far.
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  5. #5

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    I have not done a lot of load development thus far with 338-06 and RL17, but will give you what I have. I am definitely going to be doing more. All below data is from 24" barrel and did not exhibit any signs of excessive pressure in the one rifle.

    Nosler 180 Ballistic Tip: 63.0 grains, 2785 fps avg. vel, accuracy good
    Speer 200 SP: 61.0 grains, 2623 fps avg. vel, accuracy good
    I had some lighter loads working up to these, but need to go farther with these since no pressure signs yet. I think it has promise for this caliber. I have had awesome results with RL17 and 7mm-08. Incredible velocity and accuracy.

  6. #6

    Default RL 17 and Hornady 225 grain SP bullets

    I have done some more RL17 load development with my Weatherby 338-06 with a 24 inch barrel. This rifle has a lot of free bore and allows me to seat the bullets out as far as magazine length allows. I have likes and dislikes about that, but one like is that it does allow a bit more powder space. Accuracy with RL17 has been as good as or better than other powder used with this rifle.

    The bullet in data below is a Hornady 225 grain SP Interlock.
    57.5gr 2489 fps avg, SD 18.7
    58.5gr 2509 fps avg, SD 18.4
    59.5gr 2554 fps avg, SD 10
    60.5gr 2614 fps avg, SD 8.7
    61.5gr 2659 fps avg, SD 11.4
    62.5gr 2693 fps avg, SD 11
    63.0gr 2705 fps avg, SD 12
    63.5gr 2728 fps avg, SD 3.5

    None showed any signs of excessive pressure when shooting or inspecting brass afterwards. I was happy, actually VERY happy with an honest 2700 fps with the 63.0 grain charge and very good accuracy with my rifle. Going to settle with that charge weight, although the SD and accuracy was a little better with the 63.5 charge. Don't see any reason to push it.

    Soon I plan to do some RL17 evaluation with 210 and 225 grain Nosler Partitions and 225 grain Sierra and Speer cup/core bullets.

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    Member Alaska Bush Hunter's Avatar
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    Thumbs up 338-06

    used a 338-06 for several years.......IMR 4320 and 210gr Nosler Part.................makes a good elk gun
    Here in Alaska I would suggest the 35 Whel......with 225gr or 250gr bullets and Relaoder 15.

    The 338-06 and 35 Whel are all based on the 30-06 case........

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    Default 338-06

    No experience with that powder but, 62 grains of imr 4350 and a 200 grain Speer spitzer Sp is a great combination in my savage rifle. In addition 61 grains of 4350 with the 225 Spitzer BT shoots even better. very predictable groups and enough gun.

    Working up some loads with the 225 grain grand slams.


    redhawk1625

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    Member Alaska Bush Hunter's Avatar
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    Thumbs up

    Before Reloader 15 the powder choice for the 338-06 was IMR 4320. Today Reloader 15 is excellent along with the tried IMR 4320. I tried 250gr bullets in the 338-06 but perfomance dropped off quickly due to bullet weight. The older 225gr Hornady SP worked good but new ones not as good. The Sierra 215gr works great in the 338-06 as well as the 200gr and 225gr Nosler Accubond. A Weatherby Accumark would be a nice rifle in this cal.

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    Member alaska bush man's Avatar
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    The 225gr SP and 63.0 of RL 17 is a sweet load in the 338-06.
    After 20 years using IMR 4320 in the 338-06 I am going to switch to Reloader 17.
    Alaska

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    Quote Originally Posted by alaska bush man View Post
    The 225gr SP and 63.0 of RL 17 is a sweet load in the 338-06.
    After 20 years using IMR 4320 in the 338-06 I am going to switch to Reloader 17.
    Any more load on this? FPS? ext?

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    I have worked up a beauty of a load with RL-17. The bullet used was a 210gr Swift Scirocco. It consistently Chrono'd 2865fps and grouped under an inch at 100yds. It also proved to be temperature resistant like Alliant claims it is.

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    Quote Originally Posted by lagerboy View Post
    I have worked up a beauty of a load with RL-17. The bullet used was a 210gr Swift Scirocco. It consistently Chrono'd 2865fps and grouped under an inch at 100yds. It also proved to be temperature resistant like Alliant claims it is.
    That smoking I Think care to share your load data, with the this is only safe in my rifle.

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    Swapdonkey I realize that it is. Here's the recipe. 62.0gr RL-17. COL is 3.33. Primers is CCI mag rifle. And yes, like you say, start lower and work your way up. Primers showed no signs of cratering or being flattened out. And NO sticky bolt lift. I did go higher but backed off as primers started to show signs of excess pressure.

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    Moderator stid2677's Avatar
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    I'm a believer in Reloader 17, I have loads for it in about every caliber I use. I bought 10lbs recently as it an awesome all around powder.
    "I refuse to let the things I can't do stop me from doing the things I can"
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    Here is one more recipe that basically duplicates the ballistics of the other one I listed earlier. This one uses a Nosler Accubond 225gr on top of 61.5gr of RL-17. COL is 3.39 and the primer is also a CCI Mag rifle. This particular load chrono's 2750 avg and also groups in under an in. Again this load is fine in my rifle. Start lower and work up.

  17. #17
    Member bigswede358's Avatar
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    Quote Originally Posted by lagerboy View Post
    Here is one more recipe that basically duplicates the ballistics of the other one I listed earlier. This one uses a Nosler Accubond 225gr on top of 61.5gr of RL-17. COL is 3.39 and the primer is also a CCI Mag rifle. This particular load chrono's 2750 avg and also groups in under an in. Again this load is fine in my rifle. Start lower and work up.
    Just wondering why the Mag Rifle primer? I have always used regular large rifle. What is the advantage to the Magnum?
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    Member hodgeman's Avatar
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    Quote Originally Posted by stid2677 View Post
    I'm a believer in Reloader 17, I have loads for it in about every caliber I use. I bought 10lbs recently as it an awesome all around powder.
    I agree- the only rifle I have that I don't load RL 17 is my 30-30....and I don't even load for it.
    "I do not deal in hypotheticals. The world, as it is, is vexing enough..." Col. Stonehill, True Grit

  19. #19
    Member alaska bush man's Avatar
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    With RL 17 @ 63.0 and 225gr Part
    Getting 2700 FPS in the 338-06.
    Alaska

  20. #20

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    Quote Originally Posted by bigswede358 View Post
    Just wondering why the Mag Rifle primer? I have always used regular large rifle. What is the advantage to the Magnum?
    Good question... I would think with the .06 case a LG primer would be the way to go, but I've also heard Mag primers are better in cold weather...

    In any case, I've found RL17 to give good results in 22-250, 53 gr bullet: 25-06, 110 and 115 gr bullet: 7 RM, 160 gr bullet: and 300 WSM 180 and 210 gr bullet
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