180gr eld M from a 20" 284win

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Originally Posted by chainsaw

Yes, agree. Correct & consistent shooting position & technique is real important to being able to shoot tight groups consistently. I find if I’ve not been to the range for a while I have to “re-learn” this lesson. And more so when changing between different rifles. I always do my load dev prone off a bipod as this is most likely what I’ll be doing for longer range shots in the field. While you probably have a better chance shooting tight wee grps off a more stable platform like a bench rest it’s not really an aid you can replicate on the hill.

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I agree this is how you should zero a hunting rifle, however for load dev I am trying to remove as many variables as possible and measure just the load, so I do load dev from bags, either prone or on a bench.

Zero and training are then done in field conditions.

Haven't owned a 284 but have pissed around with heaps of 7mms
First up i wouldn't expect superformance to be the goer for 180s. But if it is then you may find a lesser powder charge more accurate.
I say this as I have done a heap of load development chasing fps with superformance, rl22, rl26 and 2217 in 7mms. Combining this with too many seating depth combos and all they ever needed was to be backed of by 50 - 80 fps to group within 1 inch @300 yards.
The flip side to all this is if you shot 100 animals with the 162eld and 100 with the 180eldm you would probably choose the least finicky of the two loads as you wouldn't be able to tell the difference on performance.

That first image doesn’t look classic double group to me. More like classic larger group.

I would have thought that unless you have an 1:8 twist, the 180s would be sub optimal and you maybe seeing that?


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Originally Posted by Dicko

That first image doesn’t look classic double group to me. More like classic larger group.

I would have thought that unless you have an 1:8 twist, the 180s would be sub optimal and you maybe seeing that?


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It says in the very first post it's a 1:8 twist :thumbsup: