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I found IMR 8208 XBR better than Varget for consistency (although slightly less speed) and it's temperature insensitive. It's my preferred powder now.
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Yeah Ive heard this is a good powder. May try it. But have had a hard time talking myself out of using the Rx15 for most my target stuff. But may try it in replacement of the Varget used in my SST load.
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Know the twist and stick to 1 weight that's best. 1 for hunting, 1 for target. If you're rifle shoots 1/2MOA with 168's amd 1MOA with 175s, why use 175s?
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Si. I never shot heavier than the 168's. Though some with the 1/12 twist have claimed that the 175's do just as well. May try a box some day for kicks just to see if it can handle it.
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Always measure to OAL at the Ogive. This means investing in a OAL gauge & comparator. Hornady's is good for the job.
Measure to better than a 1/10 grain powder with a digital scale. I found a great one on Amazon for under $60, that measures to 2/100 grain. It works great for me. http://www.amazon.com/gp/product/B00...ls_o00_s00_i00
Neck size (or FL with a custom die to your chamber, worth it for long run)
Always Chrono. The low cost Stoney Point is a good enough rifle rest, without one, or at least a bipod, consistent aim point will be off.
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I have a good bench rest. I use a good frankfort (I think its called) digital powder measure.
I don't have a chrono yet. I never load for speed. I find that the middle of the road powder charges is usually more accurate so I roll with that. But if I get a new bullet I try the whole range.
Help me understand why its important to need a chrono.
I have OAL gauge. I just load for mag length anyways. I have played with the OAL with the SMK and found that the mag length actually preformed the best. It was a lot of jump but I'm glad it worked. Weird... honestly. I also have a comparator. I'm ashamed to say that I can solve a rubiks cube in less than 3 minutes but I cant figure out how to use that comparator....
Thanks for the info!