.303 British, 215 gr. Woodleigh Range Test (Jungle Carbine)

After a long wait I got a chance to get to the range and test the velocity of my 215 grain reloads in my Jungle Carbine. Below are the results:
.303 British, 215 gr. Woodleigh Bullet
IMR-4350 40.5 gr.

1756
1756
1754
1759

Average= 1756
SD= 2.06


.303 British, 215 gr. Woodleigh Bullet
IMR-4350 41.5gr

1806
1784
1796
1804

Average= 1798
SD= 9.98

.303 British, 215 gr. Woodleigh Bullet
IMR-4350 42.5gr

1883
1891
1875
1896

Average= 1886
SD= 9.22


.303 British, 215 gr. Woodleigh Bullet
IMR-4350 43.5gr

1930
1940
1926
1946

Average= 1936
SD= 9.15

The final loading of 43.5gr is definately a max load. The cases did show some bulging. I did use new winchester cases for all loads. All loads demonstrated excellent accuracy. Temp was about 72 degrees. I will probably go with 43 grains when pig hunting. Use this loads at your own risk.

Update on .303 british, 215 grain, 20" barrel

I know I am digging up one of my old posts, but I think its interesting to see the differences between the data I have collected. I shot my first string in 73 degree weather, I recently shot this string in 88 degree weather.

.303 british, 215 grain Woodleigh, IMR4350, 43.5 grains

1963
1960
1960
1996
1972

Avg: 1970
SD: 15.24

This was shot in 72 degree temp

.303 British, 215 gr. Woodleigh Bullet
IMR-4350 43.5gr

1930
1940
1926
1946

Average= 1936
SD= 9.15

Not a huge increase in velocity but interesting.