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As an aside, I bought a Hornady tool and comparator to check COL length based on ogive shapes and am getting fairly consistent results now - maybe 10/1000s differences at most in my measurements for depth of bullets to kiss the lands. Will use those tools from now and will skip the sliced...

I keep an Excel spreadsheet that I use to record my load data and chrono readings. Makes analytics easy!

I think you will be fine, you are talking 1/100" or less. Remember that the GP100 is a strong revolver.

:) that I do ... since I have retired, I need something to think about ... I do however like the simplicity of your approach ms6852!!

this: https://www.amazon.com/Wheeler-Engineering-Professional-Construction-Gunsmithing/dp/B004TAB7ZO/ref=sr_1_8?dchild=1&keywords=wheeler+scope+installation+kit&qid=1608166317&sr=8-8 with some $$ left over

I use 700X in my wadcutter loads. Performs well.

Thanks for all the replies. I read the suggested article and it is both interesting and informative. It ranks the various external variables in an order that will accomplish measurable results. Chasing an SD was certainly not ranked as high as several others, but it was in there. I will not...

I kind of doubt that chrono inaccuracies are showing much in this data. As you can tell by the graph, there is a definite trend on both sides of my low point, first reducing SD to my low point and then diverging. I am not saying that the absolute velocities are necessarily spot on, but there...

the graphSD 22-250 by Neutron Boy posted Dec 14, 2020 at 12:04 PM

my pics

I have been thinking for some time on a question that pits interior (as measured by a chronograph) ballistics vs exterior ballistics (downrange accuracy) for some time and cannot decide on an answer. I have developed a load for my Savage 12BVSS in 22-250 that exhibits a Standard Deviation of...

keep watching Midwayusa. They sell primers at $50 per 1000. Not in stock now, but I have noticed that stock comes in and stock goes out. Finally got some H4350 powder by watching the website often. You might even score a free shipping bonus from time to time. Hazmat fees will apply (I think...

If you you want to have some fun ... load up a few rounds with 2400 powder. It will look like a freaking flame thrower. My favorite powder for 357 is H110 and 700X for 38. But everyone has there own favs!

I am in the process of loading up some ammo for my brand new RPR in 6.5 Creedmoor. I want to start out with a Sierra 140gn HPBT on some Starline brass. Brass has been sized and trimmed to length. I used a Dremel to put 2 vertical cuts in the neck of a piece of brass to let me place a bullet...

TY!

700X is good for 38 Special wadcutter loads

thanks!

thanks edwardware. The way I have done it in the past doesn't involve the bullet tip, but it is likely a bit forward form the ogive. I dont know that there should be too much manufacturing deviation just above the ogive.

thanks Walkalong, I did see that video. Is there anything wrong with the method I described?