Thread: 300WSM and 178 ELDM

Can anyone give me some starting loads for this bullet with either Hodgdon superprofrmance, AR2213 or RL26 as they are the powders I have on hand to try.
Loading for a mates Tikka with a 20" barrel.

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With Superformance a start load is 59.3 gr for 2700 fps with a maximum of 69.6 grs for 3100 fps with the 178 gr Match bullet. In the 10th edition Hornady manual Superformance is by far the best performing powder in terms of speed.

COL for the above loads is 2.840 "

Originally Posted by Mooseman

With Superformance a start load is 59.3 gr for 2700 fps with a maximum of 69.6 grs for 3100 fps with the 178 gr Match bullet. In the 10th edition Hornady manual Superformance is by far the best performing powder in terms of speed.

Awesome thanks so much for that


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I found I hit pressure with Superformance with 178gr ELD before I got any decent speed. After doing a bit of reading Superformance seems to work better with lighter pills in 300 wsm. I'm running exact same setup rifle. I'd be going with Re26, seems to be the best for speed and pressures in the WSMs
I know a couple of other guys as well as myself running same Tikka 20" setup and they're shooting 62 gr RE17 with 178 gr and getting 2820-2860 fps. That's with Hornady book COAL same as above. All shoot 1/4-1/2 MOA with same load.

Rl17 is what you want to use.

Awesome thanks guys

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