Reloading data for 300 Winchester Magnum Heavy

ATTENTION

A few production runs have been made with thicker brass in this caliber.

Therefore two sets of data is posted. One for the heavier brass with less volume and one for the lighter brass  with more volume.

The heavy brass weight is approximately 270gr and the light brass approximately 215gr

Bullet Hornady Soft Point 150 gr
Bullet weight 9.7 g / 150 gr
B.C 0.338
C.O.L 84.5 mm / 3.327
# 3031
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 71.2
Min 68.0		 981
935		 3219
3068
Norma MRP Max 74.8
Min 71.0		 983
917		 3225
3009
Bullet Nosler Partition 150 gr
Bullet weight 9.7 g / 150 gr
B.C 0.387
C.O.L 84.5 mm / 3.327
# 16329
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 71.5
Min 68.0		 984
933		 3229
3061
Norma MRP Max 74.8
Min 71.0		 971
917		 3186
3009
Bullet Nosler BST 150 gr
Bullet weight 9.7 g / 0.15 gr
B.C 0.435
C.O.L 84.5 mm / 3.327
# 30150
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 69.8
Min 66.0		 968
909		 3176
2982
Norma MRP Max 74.8
Min 71.0		 972
920		 3189
3019
Bullet Norma FMJ 150 gr
Bullet weight 9.7 g / 150 gr
B.C 0.423
C.O.L 83.0 mm / 3.268
# 20676511
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 71.2
Min 68.0		 984
931		 3229
3055
Norma MRP Max 72.5
Min 69.0		 954
884		 3130
2900
Bullet Hornady Soft Point 165 gr
Bullet weight 10.7 g / 165 gr
B.C 0.387
C.O.L 84.5 mm / 3.327
# 3040
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 68.3
Min 65.0		 938
893		 3078
2930
Norma MRP Max 72.2
Min 68.0		 947
895		 3107
2936
Bullet Sierra MK 168 gr
Bullet weight 10.9 g / 168 gr
B.C 0.462
C.O.L 84.0 mm / 3.307
# 2200
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 67.1
Min 64.0		 937
897		 3074
2943
Norma MRP Max 74.6
Min 71.0		 951
911		 3120
2989
Bullet Sierra MK 175 gr
Bullet weight 11.3 g / 175 gr
B.C 0.505
C.O.L 84.5 mm / 3.327
# 2275
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 66.4
Min 63.0		 911
860		 2989
2822
Norma MRP Max 73.1
Min 70.0		 935
892		 3068
2927
Bullet Nosler BST 180 gr
Bullet weight 11.7 g / 180 gr
B.C 0.507
C.O.L 84.5 mm / 3.327
# 30180
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 64.3
Min 61.0		 877
840		 2877
2756
Norma MRP Max 71.3
Min 67.0		 907
850		 2976
2789
Bullet Norma Oryx 180 gr
Bullet weight 11.7 g / 180 gr
B.C 0.354
C.O.L 84.0 mm / 3.307
# 20676381
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 67.0
Min 63.0		 902
852		 2959
2795
Norma MRP Max 72.3
Min 67.0		 918
838		 3012
2749
Bullet Sierra MK 190 gr
Bullet weight 12.3 g / 190 gr
B.C 0.533
C.O.L 84.0 mm / 3.307
# 2210
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 63.2
Min 60.0		 849
821		 2786
2694
Norma MRP Max 71.0
Min 67.0		 904
838		 2966
2749
Bullet Norma Oryx 200 gr
Bullet weight 13 g / 200 gr
B.C 0.338
C.O.L 84.0 mm / 3.307
# 20676391
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 63.8
Min 60.0		 848
805		 2782
2641
Norma MRP Max 67.9
Min 66.0		 850
830		 2789
2723
Bullet Sierra MK 200 gr
Bullet weight 13 g / 200 gr
B.C 0.565
C.O.L 84.5 mm / 3.327
# 2230
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 61.0
Min 58.0		 825
798		 2707
2618
Norma MRP Max 68.4
Min 66.0		 865
824		 2838
2704
Bullet Hornady RN 220 gr
Bullet weight 14.3 g / 220 gr
B.C 0.300
C.O.L 84.0 mm / 3.307
# 3090
Gunpowder Charge Weight Velocity m/s Velocity fps
Norma 204 Max 63.6
Min 61.0		 813
790		 2667
2592
Norma MRP Max 64.5
Min 61.0		 805
769		 2641
2523