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Author Topic: 300 WSM--Need Your Data for Cartridge Guide  (Read 63307 times)

Offline BountyHunter

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300 WSM--Need Your Data for Cartridge Guide
« Reply #15 on: 06:25 PM, 11/01/08 »
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  • Just tested with Win brass, RL 17, Fed 215 and the Barnes 168 TTSX,tipped).

    67-69 grains MV started at 3216 and went to 3351.

    ES and SD ranged from 41-3 and 23-1.

    Accuracy was max .75 to a one hole.

    Between 68 and 69 grains it was 10 down to 3 and 6 down to 1.

    I am going to shoot 69.0 gr RL17, F215M, 168TTSX and my MV is 3351 with ES of 3 and SD of 1 for five shot group at .4 inches.

    Used an Oehler 35 with 4 foot spacing of screens.

    Tipped TSX:



    BH


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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #16 on: 06:40 PM, 11/01/08 »
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  • BH,

    I'm a little confused by the way you expressed the numbers. Are you saying your max ES was 43 and min ES was 3?

    Likewise do you mean your max SD was 23, but it was 1 fps with one load?

    Quote
    Between 68 and 69 grains it was 10 down to 3 and 6 down to 1.


    I don't understand the above... Is 10 to 3 the ES range? Are these for 3 rounds, 5 rounds, 10 rounds over the chron?

    Thanks for the data--this seems to confirm trends we've seen with some other calibers that RL17 gets better when you run it right up to max.

    3351 is amazing with a 168-grainer even in the 300 WSM!

    FYI to readers, Hodgdon's fastest listed "max" load for a 168gr SMK in 300 WSM is 3144 fps with Hybrid 100V:

    168 SIE HPBT Hodgdon Hybrid 100V 67.7Cgr    3144fps    61,100 PSI

     The BARNES TSX may be a little faster because of its grooved jacket,less bearing surface) but still, 3351 is a BIG improvement.

    Offline BountyHunter

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #17 on: 01:45 PM, 11/03/08 »
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  • Paul

    Yes, max ES was 46 and max SD was 23 at 67.2 grains RL17, with Win brass and F215M.  That was the starting load.

    Best load as ES of 3 with SD of 1.

    at 68.1 it was ES-10 and SD-6 and at 69.0 it was ES-3 and SD-1, which was the final load tested.  I do not have my data in front of me, but the 68.4 and 68.7 were sequentially lower each time.

    All five shots over Oehler 35 with 4 ft spacing on the screens.

    Yes, I was amazed too.

    Herman


    Offline Rootshot

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #18 on: 08:53 PM, 11/16/08 »
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  • My hunting load for a Savage 16 in 300WSM is:
      Winchester 300WSM Brass
      Wolf Russian Large Rifle Primers
      64.0gr Hodgdon H4350
      180gr Barnes Triple Shock
      Bullets seated about .02 off the lands
      Average muzzle velocity is 2975fps

    This light rifle is beating the hell out of me.  No fun at all to shoot at targets without a muzzle brake.

    --Rootshot

    Offline rogn

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #19 on: 09:54 AM, 01/18/09 »
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  • Some data that needs to be viewed with a creful eye. Using WW brass and RE19, the Nosler 180grEtip, and either CCI Br2s or Wolf LRM. A-whopping case full or 69 gr of RE19 and the 180s seated to 2.820 will produce good accuracy with the CCIBR primer. However the Wolf LRM tends to near one hole groups at 100 yd- in aBrownig Abolt. BUT, RE 19 SEEMS TO VARY AN AWFUL LOT WITH DIFFERENT CANASTER LOTS. SO PROCEED WITH CAUTION!!!!!! aLSO THIS BATCH OF AMMO WAS LOADED WITH WOLF LRM AND IN THE ABOLT SHOT WELL AT 85* BUT AT 40* MISFIRE RATE WAS ABOUT 40%, MY TRUSTY OLD 700 DIDNT WORRY AT THE LEAST AND HAD "0" MISFIRES. A QUICK TEST IN A SAVAGE M12 GAVE ABOUT THE SAME % OF MISFIRE AS THE ABOLT. THE 700 HAS A BIG HEAVY FIRING PIN AND ALL PRIMER INDENTS ARE SUBSTANTIAL, WHILE THE SAVAGE AND THE BROWNING HAVE FASTER LOCK TIMES AND BITTY LITTLE FIRING PINS. THE PRIMER INDENTS ARE SUBSTANTIALLY SMALLER AND LIGHTER. Other issue with the Etips is the added lenght of the polymer tip and the lower density of the gilding metaal= more bullet in the case. Loads require deeper seating to gain magazine function this cuts down on powder space. Would like to see some data on the newer hybrid or SM tuned canaster powders.

    Offline boltman13

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #20 on: 11:30 AM, 03/10/09 »
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  • These 2 loads were fired in a totally stock Winchester Model 70 using standard bench rest technique.  Chronograph was 12 feet from the muzzle.  Temperature was mid 70's to low 80's.  Altitude was 4,600 feet.  All cases are Winchester, with primer pockets trued and flash holes debured.  All were with Winchester Mag LR Primers from the same Lot #.  Brass was with 2 differ en lots.  Case lengths were measured with a Stoney Point Gage from the base to the ogive.  Both loads cycle thru my magazine with no problems.

    Bullet:  Speer 180 gr flat base Spitzer
    Powder AA 3100:   68.0 gr
    Comparator OAL:   3.25'
    MV:   2,894 fps
    Extreme spread 5 shots: 24.4 fps
    3 shot group @ 100 yds:  0.75-1.02'
    Notes:  A good practice load, not full load.  AA3100 is not the best powder for a full intensity load but I am getting rid of it by using it for practice.  Recoil is about the same as a 30-06 and full throttle 180 gr hunting load.

    Bullet:   Barnes 180 gr flat based Triple Shock
    Powder:   Aliant Reloder 22  72.0 gr.
    Comparator OAL:   3.25'
    MV:   3,025 fps
    Extreme Spread 5 shots:  16 fps
    3 shot group @ 100 yds:  1.25'
    Notes:  My elk hunting load.  A large rag horn bull hit at 75 yds went about 50 yards and collapsed dead when I walked to him.  That was the bullet doing that.  I strongly recommend the Triple Shock if your rifle will shoot it as well as mine will.


    Offline constructor

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #21 on: 01:43 AM, 03/14/09 »
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  • 64.9gr H4350, 155gr Amax loaded to 2.855', Fed match primers, ave 3312fps from a 26' Krieger 13 twist tight bore med Palma custom tight neck chamber and turned necks. Holds 1/2 MOA to 600yds pretty easy with a sporter stock and safe hunting trigger. My above timberline mule deer load. ES are usually single digits

    Offline DazzH

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #22 on: 03:13 AM, 03/21/09 »
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  • Hi all,
    It's been a while but my rifle is ready to pick up from the Gunsmith, so I guess it's time to start looking at load development, the bullet I will be using is the 162gr Amax, brass will be Winchester and I have a stack of Russian primers so will put them to use. I also have a fair amount of VV N160 so would like to start with that. I loaded 5 rounds with 57gr  for the test firing, I would think this would be a fairly light load but it was all guess work as I can't find any load data for 7mm WSM using N160,? any suggestions?? would be great! The reamer was supplied by PT&G .315 neck and .095 FB which sits the 162's on the lands with a COAL of 3.020. When neck turning what overall clearance should I aim for, I have read that the 7WSM needs a reasonable amount for best accuracy, any ideas?,This is a hunting rifle which will be used in and around New Zealand bush so a tight neck would not be practical).

    Sako 75 SM action
    26 inch True Flite Barrel #4 contour. 9 Twist SG.

    Cheers.

    Per Aspera Ad Astrum

    Offline airbornemedic69

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #23 on: 05:27 PM, 04/11/09 »
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  • 300 WSM  in a FN SPR action with a Shilen 10 twist CM barrel at 28', HS precision stock, Leupold MK4 M1 8.5X25-50 TMR. No turn chamber. using a clymer reamers.

    Berger 185 grain VLD,0.002in neck tension
    69 grains of Hodgdon 4831sc
    2.905 COAL and .010 in the lands
    Winchester Brass
    Fed 215M primers
    MV 2921 fps average for first 25 shots. ES of 15

    This load shot a 0.562in at 200yards using,,On target software) most of the groups averaged 0.750in, off of sinclair rest. This was also new brass, sorted by weight. I think the groups will get better after fire forming.  As far as brass prep, I do the same as my 6BR. I use a redding body die, Wilson Neck die and seater made with the chamber reamer.

    I built this rifle to beat up on some friends in Tenn. who have TRG 42's. I take their lunch money with my 6BR at 600yds, but they have me at 1000yds. We will see if this is true in the coming weeks.

    This is my first use of an FN action. I will say if you can get one they make a great rifle. Stocks can be hard to find for them. The action came from CDNN. They have them in 308 bolt face as well. Hope this helps!

    Airborne


    Offline omahaguy

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #24 on: 01:43 PM, 05/05/09 »
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  • hey guys I just got my long action standard opened up to a 300 wsm I chose a long action so I can seat the bullet out far and still mag feed it, I have some cci br2, reloader22, win brass, 208gr a-max, I want a little extra room before it touches the lands can someone recommend a reamer, the bullet seated farther out will give me more powder capacity, my other question is can someone recommend a good start load for the 208 since I cant find any, according to a friend of mine on here they are very close to the 210's but I cant find any 210 info with re22 powder, are H4831 or H4350 close enough to Re22 burn rate to swap info?
    I have only heard good things about the cci br2, are they really that much better then say the wlr to justify the extra $20 per 1000?

    Thank you all
    Jerry M.

    after I finally work a good load I will post it for every one...

    Offline britz

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #25 on: 08:43 AM, 06/13/09 »
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  • You can never swap loading information from one powder to the next.  R22 isn't the best powder for the wsm imho.  R19, R17, H4350, or H 4831 are better powders for this rifle.

    Offline Brad87gt

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #26 on: 12:17 PM, 12/10/09 »
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  • As stated above I am interested in the 208 Amax info as well

    Here is my load for my .300wsm Savage 12FVSS
    Factory 26" 1-10" Varmint barrel with a JP brake
    Choate varmint stock
    6.5-20 X 50 Conquets

    190gr SMK
    64.0 gr of IMR 4350
    CCI BR2
    Win Nickel Brass
    Cheap Hornady dies
    Bullet seated to touch lands
    Never shot it oover a chrono but it shoots amazing here is a pic it will shoot one hole at 100 everytime except the CBS will run high left.  This group was at 200 yds off a bipod and a rear bag from a bench.  will shoot 1/2"to 5/8" groups at 200 normally

    Offline NDMarksman

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #27 on: 11:17 AM, 03/14/10 »
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  • Forum Boss,  1st let me say hello to all.  I've been shooting \ reloading for long range rifles for almost 30 years . I have a Win. M70(SS) in 300 WSM that I mounted a Lilja 1:10 barrel on cut to 22".  I planned to use the rifle for both hunting & target shooting thus the 22" length.  The barrel is fluted with a varmint contour and I placed this package on a H-S Precision medalist stock then topped all that with an IOR Valdada 2.5-10 x 42MM that has an MP8 Modified Dot Reticle. After working on loads for several weeks and shooting 20 or so test rounds each outing I did find an excellen accuracy load. The load data is:

    Hornady A-Max 155 Gr.
    Re-22 @ 71.4 gr.
    Norma Brass (Sized to ensure 2.100" OL, Neck sized & de-burred etc.)
    CCI-LR Magnum Primers
    RCBS FL Sizing die
    RCBS Comp. Seating Die
    COAL = 2.910" (approx. .005 off lands)

    I've only proven the accuracy of this load out to 200 yds. but three shot groups @ 200 yds. look like one ragged hole. I'll be taking the next tests out to 500 or even 600 yds. then to 1000 yds. afterward.

     
    « Last Edit: 01:05 PM, 03/14/10 by NDMarksman »

    Offline cmillard

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #28 on: 12:06 PM, 06/01/10 »
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  • has anyone tried any of the slower powders (h-1000, retumbo, etc) in the .300 wsm with the heavier bullets like the 210s?  right now i currently have a custom .300 wm with a 30" hart tube with a 9"twist and am shooting 210s and 240 sierras.  i am thinking of switching to the .300 wsm after i use up the current .300 wm barrel.  i like the short, fat cartridges and like loading on my sinclair arbor press with wilson dies as i do with my 6BR.  i want to get away from the belt that is on the .300wm and the fact that .300wm brass is more expensive than .300wsm makes the .300wsm look attractive.  now, if only lapua made some brass for this round.  was thinking of a 10 or 11 twist tube for the 210s and using norma brass with some of the slower powders.
    Cole Millard 1155

    Offline scout1

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    300 WSM--Need Your Data for Cartridge Guide
    « Reply #29 on: 04:31 PM, 06/04/10 »
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  • Cole, an 11 or 12 twist would get you there with a 210.  I ran H-1000 and Retumbo on QL, and the program shows they wont make enough pressure. IMR 7828 ssc shows 67 grns @ 2915 fps w/ 60800 psi in a 28" barrel, not bad for a 210. YMMV
    Jon Hetzler

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