Here is my latest.
1. Nosler 200 BT,54gr. RL15, federal brass,CCI 200 nice clover leaf at 100 yds. Nosler says 2800 fps.
2. 200 BT,58gr.IMR4320(over max in book no signs of pressure) clover leaf at 100.
3.Barnes 185 XLC, 55 gr. RL15,3/4" group,Barnes says 2850 fps.
This rifle really likes RL 15.

Rob1SG; If you dig deep enough into the available literature on the 338-06, you will find loads as high as 60 grains of IMR 4320 with the 200 grain bullet. Each gun is different, I am about to work up loads for my 338-06 using IMR 4320 and Nosler 200 grain BT's. It will be interesting to see what my rifle is capable of and at what point velocity and accuracy converge.

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If Elmer didn't say it, it probably ain't true.