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300 wsm 210 Berger loads?

 
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  #1  
Old 08-12-2012, 09:00 PM
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300 wsm 210 Berger loads?

I did a little testing with 4 powders on my 300 wsm today (savage 24" barrel). Winchester once fired brass, CCI 250's.

I loaded to mag length, ~2.86", which is around .120" off the lands. I didn't have much time so I only loaded:
H4350 - 57.0, 57.5, 58.0, 58.5, 59.0
RL17 - 61.0, 61.5, 62.0 (stopped here, sticky bolt, no extractor groove expansion, though)
H4831 - 63.0, 63.5, 64.0, 64.5, 65.0 (sticky bolt, no ext groove expansion)
H4831SC - 63.0, 63.5, 64.0. 64.5, 65.0, 65.5

My chrono readings I questioned towards the end of the day, but my early readings were good.

H4350 - 2644-2717 fps
RL17 - 2890-2967 fps (Pressure signs at 2967, past max load. Talk about FAST!)
H4831 - 2680-2789 (best guess- readings were jumping around)
H4831sc - 2659-2736? (best guess - readings were jumping around)

Can someone tell me what the max loads are for these powders? Anybody got quickload? I really liked how 4831 and 4831sc looked on paper.

Thanks!
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Old 08-21-2012, 07:07 AM
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Re: 300 wsm 210 Berger loads?

Wow, those RL17 loads look pretty good. I am about to try out some 200 AB's in my 300WSM, so I might have to put some RL17 in the lineup.
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Old 08-21-2012, 07:38 AM
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Re: 300 wsm 210 Berger loads?

Quote:
Originally Posted by uhcoog1 View Post
I did a little testing with 4 powders on my 300 wsm today (savage 24" barrel). Winchester once fired brass, CCI 250's.

I loaded to mag length, ~2.86", which is around .120" off the lands. I didn't have much time so I only loaded:
H4350 - 57.0, 57.5, 58.0, 58.5, 59.0
RL17 - 61.0, 61.5, 62.0 (stopped here, sticky bolt, no extractor groove expansion, though)
H4831 - 63.0, 63.5, 64.0, 64.5, 65.0 (sticky bolt, no ext groove expansion)
H4831SC - 63.0, 63.5, 64.0. 64.5, 65.0, 65.5

My chrono readings I questioned towards the end of the day, but my early readings were good.

H4350 - 2644-2717 fps
RL17 - 2890-2967 fps (Pressure signs at 2967, past max load. Talk about FAST!)
H4831 - 2680-2789 (best guess- readings were jumping around)
H4831sc - 2659-2736? (best guess - readings were jumping around)

Can someone tell me what the max loads are for these powders? Anybody got quickload? I really liked how 4831 and 4831sc looked on paper.

Thanks!
I emailed Berger, and they sent some quickload data, but it didn't have RL17 for the 210's. For 190 gr bergers, it was 54.5-60.5 gr RL17. Looks like my load was over pressure according to quickload. I've read QL is not great for RL17; is that correct?

Other data given:
H4350 - 53.5-59.5 gr
H4831SC - 57.5-64 gr


Quote:
Originally Posted by beretzs View Post
Wow, those RL17 loads look pretty good. I am about to try out some 200 AB's in my 300WSM, so I might have to put some RL17 in the lineup.
I definitely need to do some more testing with it, given I only shot 3 rounds before I stopped with the RL17.

Does anyone know a safe max for RL17 in a 300 wsm with 210 Bergers?
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Old 08-21-2012, 08:48 AM
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Re: 300 wsm 210 Berger loads?

Quote:
Originally Posted by uhcoog1 View Post
I emailed Berger, and they sent some quickload data, but it didn't have RL17 for the 210's. For 190 gr bergers, it was 54.5-60.5 gr RL17. Looks like my load was over pressure according to quickload. I've read QL is not great for RL17; is that correct?

Other data given:
H4350 - 53.5-59.5 gr
H4831SC - 57.5-64 gr




I definitely need to do some more testing with it, given I only shot 3 rounds before I stopped with the RL17.

Does anyone know a safe max for RL17 in a 300 wsm with 210 Bergers?

Send me a PM and I will run QL for you. While it might not be perfect, might be close enough to get you started.
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  #5  
Old 08-23-2012, 06:09 PM
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Re: 300 wsm 210 Berger loads?

QL is a great program but it is terrable for RL17
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  #6  
Old 08-24-2012, 02:31 AM
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Re: 300 wsm 210 Berger loads?

Quote:
Originally Posted by ehryk View Post
QL is a great program but it is terrable for RL17
How does your results run compared to this? Just wondering. I have tried RL17 with the 180 AB's, it was fast without pressure, but RL19 worked out more accurately for me.


Cartridge : .300 WSM (CIP)
Bullet : .308, 210, Berger VLD #30415
Useable Case Capaci: 69.724 grain H2O = 4.527 cm³
Cartridge O.A.L. L6: 2.900 inch = 73.66 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-17

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-10.0 80 54.00 2540 3009 46973 9309 100.0 1.394
-09.0 81 54.60 2564 3065 48404 9368 100.0 1.375
-08.0 82 55.20 2587 3121 49882 9427 100.0 1.356
-07.0 83 55.80 2610 3177 51403 9484 100.0 1.338
-06.0 84 56.40 2633 3234 52968 9542 100.0 1.320
-05.0 85 57.00 2656 3290 54578 9599 100.0 1.303
-04.0 85 57.60 2679 3347 56237 9655 100.0 1.286 ! Near Maximum !
-03.0 86 58.20 2702 3405 57947 9711 100.0 1.269 ! Near Maximum !
-02.0 87 58.80 2725 3462 59706 9766 100.0 1.252 ! Near Maximum !
-01.0 88 59.40 2747 3520 61519 9820 100.0 1.236 ! Near Maximum !
+00.0 89 60.00 2770 3577 63390 9874 100.0 1.220 ! Near Maximum !
+01.0 90 60.60 2792 3636 65310 9927 100.0 1.205 !DANGEROUS LOAD-DO NOT USE!
+02.0 91 61.20 2815 3694 67281 9980 100.0 1.189 !DANGEROUS LOAD-DO NOT USE!
+03.0 92 61.80 2837 3753 69306 10032 100.0 1.174 !DANGEROUS LOAD-DO NOT USE!
+04.0 93 62.40 2859 3811 71390 10083 100.0 1.160 !DANGEROUS LOAD-DO NOT USE!
+05.0 93 63.00 2881 3871 73536 10134 100.0 1.145 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 89 60.00 2844 3770 74806 9578 100.0 1.147 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 89 60.00 2658 3294 52288 10292 99.9 1.319
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  #7  
Old 08-24-2012, 11:54 AM
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Re: 300 wsm 210 Berger loads?

Go to Alliants site, look up any load for RL 17 and plug in the max into QL. In almost every case it will show way over presure. This is not a failing of QL, but rather because the way RL 17 is made, it doesnt follow the rules of normal powders. The retardant is not just a coating on RL 17 like normal powders, rather it is mixed throughout the kernal making for a slower burn with longer maintained presures.
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