150 gr BT, .300 WSM and Reduced loads

[sithlord6512]

I know there is post regarding reduced loads. However, I was wondering if anyone has a reduced load recipe using a 150 gn Ballistic Tip bullets (I have 6 boxes/300 bullets that need using). Interested in developing a .300 WSM whitetail load for my daugher at recoils levels mimicing a 30-30 -.308 (30-30 preferred).

 

[DrMike]

Speer lists one reduced load for the 300 WSM and 150 grain bullets (RNSP, Spitz BTSP, Spitz SP, MT SP, GS SP). They list a minimum charge of 29.0 grains and a maximum charge of 33 grains of AA5744 and CCI200 primers to give a velocity of 2259 fps. This would be a mild load, to be certain.

Accurate lists one reduced load using 165 grain Ballistic Tips and WLRM primers, with a minimum charge of 27.5 grains and a maximum charge of 30.5 grains of AA5744 to yield a velocity of 2071 fps.

 

[lefty315]

Check out Hodgdon's website, they had some reduced/youth loads using H4895.

 

[taylorce1]

I know it isn't 150 grain loads but POP ran this for me today.

Cartridge : .300 WSM (CIP)
Bullet : .308, 165, Nosler AccuBond 55602
Cartridge O.A.L. L6: 2.860 inch or 72.64 mm
Barrel Length : 24.0 inch or 660.4 mm
Powder : Hodgdon H4895

Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% 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

-30.0 55 35.00 1962 1411 17461 5210 89.8 1.964
-27.0 57 36.50 2033 1514 18945 5494 91.5 1.904
-24.0 60 38.00 2103 1620 20542 5771 93.0 1.846
-21.0 62 39.50 2173 1730 22258 6038 94.5 1.791
-18.0 64 41.00 2242 1842 24101 6295 95.7 1.738
-15.0 67 42.50 2311 1957 26081 6539 96.8 1.687
-12.0 69 44.00 2379 2074 28207 6770 97.7 1.638
-09.0 71 45.50 2447 2194 30492 6985 98.5 1.591
-06.0 74 47.00 2514 2315 32941 7183 99.1 1.546
-03.0 76 48.50 2580 2438 35543 7364 99.6 1.503
+00.0 78 50.00 2644 2562 38299 7525 99.9 1.457
+03.0 81 51.50 2708 2687 41241 7667 100.0 1.408
+06.0 83 53.00 2771 2814 44383 7793 100.0 1.362
+09.0 85 54.50 2833 2940 47740 7915 100.0 1.318
+12.0 88 56.00 2894 3068 51325 8034 100.0 1.276
+15.0 90 57.50 2953 3196 55156 8151 100.0 1.237 ! Near Maximum !

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 78 50.00 2740 2750 44758 7278 100.0 1.363
Data for burning rate decreased by 10% relative to nominal value:
-Ba 78 50.00 2508 2305 31854 7509 96.5 1.562




Cartridge : .300 WSM (CIP)
Bullet : .308, 180, Nosler AccuBond 54825
Cartridge O.A.L. L6: 2.860 inch or 72.64 mm
Barrel Length : 24.0 inch or 609.6 mm
Powder : Hodgdon H4895

Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% 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

-30.0 56 35.00 1902 1446 18961 5819 91.9 1.898
-27.0 58 36.50 1970 1551 20612 6124 93.5 1.838
-24.0 61 38.00 2038 1660 22390 6420 94.9 1.781
-21.0 63 39.50 2106 1772 24303 6703 96.1 1.727
-18.0 66 41.00 2172 1886 26360 6973 97.2 1.675
-15.0 68 42.50 2239 2003 28572 7226 98.1 1.626
-12.0 70 44.00 2304 2122 30947 7462 98.8 1.578
-09.0 73 45.50 2369 2243 33465 7680 99.4 1.532
-06.0 75 47.00 2433 2366 36135 7877 99.7 1.488
-03.0 78 48.50 2496 2490 38989 8053 100.0 1.438
+00.0 80 50.00 2558 2615 42040 8207 100.0 1.389
+03.0 82 51.50 2619 2740 45299 8353 100.0 1.342
+06.0 85 53.00 2678 2867 48782 8496 100.0 1.297
+09.0 87 54.50 2737 2994 52504 8635 100.0 1.255
+12.0 90 56.00 2795 3123 56481 8772 100.0 1.215 ! Near Maximum !
+15.0 92 57.50 2852 3252 60733 8906 100.0 1.177 ! Near Maximum !

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 80 50.00 2641 2788 48986 7945 100.0 1.301
Data for burning rate decreased by 10% relative to nominal value:
-Ba 80 50.00 2435 2370 35055 8317 97.9 1.496

You should be able to find the load you are looking for with the 165 grain load.

 

[BearClan]

Accurate newest load data for .300 WSM provides the following data for a reduced load.

165 gr Nosler BT
Accurate 5744 MIN: 27.5 gr; MAX: 30.5 grn
Primer: WLRM
Velocities: 1864 ft/s-2071 ft/s

 

[BearClan]

Oops - Repeated a load already provided my Drmike.

However, if you reduce any max load listed fo Hodgdon H4895 by 60%, you can create reduced loads.

Examples
Hodgdon's Basic Reloading Manual lists a 54.5 grain Max charge for a 150 gr Speer GS SP. Therefore, you should be able to create a reduced load using 32.7 grains of this powder (primer = WLRM, COL=2.780)

Similarly, Hodgdon's online data center lists a 54.0 grn Max charge weight of H4895 for a 165 Nosler Partition (primer used not listed, COL = 2.860). Therefore, 60% of Max = 32.4 gn of H4894 for a reduced load using this bullet.

Hope this helps

 

[yeayow]

bearclaw you showed the right way but wrote it wrong. you don't reduce the load by 60% you reduce it to 60% of max. Thaks for printing that rule of thumb which most people don't know. Also this months handloader magazine lists a load of SR-4759 at 33.0 grains will give a velocity of 2388 fps with a 150 sierra flatnose. the other reduced loads that are at about 2750 are 61.0 gr. of H-4350, 55.9 gr. of IMR-4064, and 54.0 gr. of Varget. this is out of the february handloader magazine. they also list some 125 grain sierra soft point loads if you want them.

 

[sithlord6512]

Thanks folks - I believe I now have the info to experiment with some reduced recoil loads.

I was very interested in BearClan's guideline for H4895 and contacted Hodgdon's to confirm it - it is true. However, I am still awaiting a reply for another question I had about H4895 - is it possible to load from 60% OF the max right up to Maximum loads safetly. I am hoping so as I am having a really difficult time of getting my wife to believe that I "need" a 7mm-08, that. If H4895 is this flexible, I will be able to really stretch the options of my only gun (i.e., a 30-30, .308, and .300 WSM in one gun).

I am also following up a yeayow's info about IMR-SR4759. Hoping IMR/Hodgdon can provide a similar guideline for creating reduced loads for this powder as well (e.g., 60% of max of SR-4759).

Thank again fellas