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I reached out to Hornday in 2021- I have another question for you. I am starting to use the 4DOF program. The program wants both the uncorrected pressure and altitude. Why does it need the altitude if the Baro input is the uncorrected pressure and not corrected pressure? I ran two...

When I was using the app, I didn't link the meter. I just input my environmental data from the meter manually and left the altitude at zero.

The Kestrel is calculating the solver projection based on density altitude it calculates that from the Kestrel meter reading (temp, humidity and station pressure). It doesn't need the altitude input to back into the station pressure because the meter has captured that (the station pressure)...

Points taken. I was only trying to point out that you either have to use a GPS device to determine elevation or rely on a pressure sensor from a device to get station pressure. Either will work. I have used both the 4DOF and AB/Kestrel solver solutions out to fair distances with pretty good...

I think the the 4DOF app calculates the station pressure from what you enter for altitude unless you bypass it and manually and enter the station pressure. Go into the app and enter 0 for the altitude (sea level) and note the pressure. It will be 29.92. Sea level corrected pressure. Change the...

I do the same. I shoot at BB 300 PRC/300NM. I start with the the Garmin/LR MV and AB projection and then I center up on the 10 inch plate at 990 on the top of Spears mountain and adjust my MV in AB to agree with impacts at 990. I just back into the MV from the actual come up at 990. The AB...

I'm pretty sure it is the same across the Peterson brand regardless of the caliber.

The difference is probably the case volume. See attached 6BR/Dasher cut aways. Do the same on your different makes of CM brass, and I expect you will see the same thing. If you want to keep using the Peterson brass and are dead set on 3,100-3,150 FPS I'd try the Vihtavuori 500 series powder.

I bet you did....

Just trying to help you out- I expect you may you have something else going on. Thick case necks with the Alpha brass perhaps. I'd measure the case neck thickness with a ball micrometer. I have a 6BR .272 NTN chamber. The fired brass (Lapua) comes out at .2710-.2715. I anneal and then resize...

If you say so.

"You could feel the lip with a fingernail and the Calipers and Mic confirmed it" Maybe your trimming is leaving a lip on the case.

I expect you may you have something else going on. Thick case necks with the Alpha brass perhaps. I'd measure the case neck thickness with a ball micrometer. I have a 6BR .272 NTN chamber. The fired brass (Lapua) comes out at .2710-.2715. I anneal and then resize with a .268 bushing. I don't...

They group every bit as tight at 100 yards as the Bergers and Scenars from a battle rifle on a bag and a bipod. Anxious to see if the 304 BC /drag curve holds up at distance at Black Bear.

He's trying to figure out how to affix the MDT dildos to his Foundation.

He washed his brass without pins so as not to peen the case mouths.......

No you haven't.- You've shot five bolt gun matches and eleven one day PRS matches. Only in your clueless mind is that competing with the highest density of AI shooters in the world.

Fucking poor......

He's clueless.