QL hulp - 180gr in .30-06

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Dale SH
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Re: QL hulp - 180gr in .30-06

Post by Dale SH » Sat Nov 21, 2020 8:54 am

The method described above is probably the best way to set up your die without any expensive tools.
I use the Hornady comparator set.
Here are a few other videos which provide some additional information concerning head space, what it is and how to correct it.
https://www.youtube.com/watch?v=vAgjvBxzng4
https://www.youtube.com/watch?v=ldtbsym650k
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Voere 6.5x55
Brno ZKK600 Deluxe 7x57
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Ruger Hawkeye African 9.3x62

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Re: QL hulp - 180gr in .30-06

Post by Toxxyc » Sat Nov 21, 2020 9:54 am

Thanks guys, I'll check it out! I have to add the 54gr charge (at 2710FPS) with less pressure signs is loaded with cases that I only neck sized last time. I forgot to mention that. The larger group rounds (with higher pressure) was FL sized. I'll try this method with scotch tape. I see it is sold with a very precise thickness and I have some here actually.

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Re: QL hulp - 180gr in .30-06

Post by Toxxyc » Sat Nov 21, 2020 12:51 pm

Ok so before doing the headspace tape thing, I tested the rounds and cases I have here in the chamber with the firing pin removed (have it all on video).

Empty chamber, the bolt falls shut under it's own weight, as is expected.

With a FL sized case, it has very little resistance, opening and closing the bolt. There is some, but it feels like the ejector spring's resistance. That's all.

With a once fired case (fired from my rifle), factory ammp case, there is a bit more resistance. Not a lot, but noticeably more.

With a case that has been fired from my rifle a few times, as well as the current loaded rounds, are tight.

I added a piece of tape to the back of a few of the FL sized cases, and one layed of masking tape is enough to make the bolt close with difficulty. So that tells me, if I understand the test and method correctly, that the rifle has a pretty tight chamber?

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Re: QL hulp - 180gr in .30-06

Post by jdpretorius » Sat Nov 21, 2020 1:33 pm

How about making your own case gauge ? ....before i had the money to actually buy one, i though how hard could it be if you don't have 2 left thumbs. Al you really want to measure is if the shoulder moves back when you size and by how much....i guess anywhere in the top half of the shoulder would do.
I took a nice big nut and drilled a smaller pilot hole through te center, holding the nut with a vice grip, then went bigger to fit over the neck. Lastly chamfered the hole for a snug fit and polished a bit with 1200 grit sandpaper, to make sure there's no burs or uneven surfaces to distort readings.....and bob's your uncle. Did the same to measure bullet/cartridge lengths at the ogave.....i hate guessing Image

.....hope this might help a bit. ImageImage

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338 WM, 270 Win, 9mm, Destroyer 350
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Re: QL hulp - 180gr in .30-06

Post by Toxxyc » Sun Nov 22, 2020 6:11 am

My only worry with that would be that it wouldn't be level each time. Someone on a CNC should be able to cut a gauge easily though, no? I can draw one and send the files if need be? I'm guessing pretty much for any caliber? A square block with a hole drilled straight through that fits the neck, and a taper exactly the angle of the case shoulder? Can even cut in a notch to fit a caliper vernier?

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Re: QL hulp - 180gr in .30-06

Post by jdpretorius » Sun Nov 22, 2020 8:13 am

Toxxyc dit is hoekom ek n groot nut gebruik het met plat vlakke .... en ook eers n "pilot hole" geboor het, reg deur byde kante, om seker te wees die gate is presies deur die 'middel' van die plat vlakke, dus te weet dat dit mooi square/perpendicular is. As jy n staan-boor het kan jy dit dalk nog makliker akuraat doen. Ek't altyd die dop so bietjie in die rondte gedraai terwyl ek meet om seker te maak die lesing is "true".....ja, daar was soms n 0.0005" deviation, maar n 1/2 thou gaan my ocd nie so erg pla nie. Die chamfer wat ek in die nut gedoen het is nie eintlik nodig nie.
Soos jy se, daar moet n goedkoper manier wees en behoort dit sommer vinnig op n draaibank te kan doen.


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338 WM, 270 Win, 9mm, Destroyer 350
Groete, Johan

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Re: QL hulp - 180gr in .30-06

Post by tripodmvr » Sun Nov 22, 2020 9:03 am

'n Baie eenvoudige manier is om 'n leë pistool of rewolwerdoppie te gebruik.
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Re: QL hulp - 180gr in .30-06

Post by jdpretorius » Sun Nov 22, 2020 9:34 am

tripodmvr wrote:'n Baie eenvoudige manier is om 'n leë pistool of rewolwerdoppie te gebruik.
Stem saam oom Driepoot

Daai werk net nie altyd vir die koeëls se ogief nie. Bloot toevallig het die nut megafter plan, vir 338 koeël ogief, ook mooi gepas vir 270 se skouers.

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Re: QL hulp - 180gr in .30-06

Post by Lategan1 » Sun Nov 22, 2020 10:09 am

Johan ek hou van jou boerepatent! In tyd van nood totdat fondse iets ‘smarter’ toelaat. Goue vraag is eenvoudig, maks 400m akuraatheid vereiste of 800m plus.

Pistooldop, ek sien die goeie idee, maar ek sal versigtig wees met langer termyn herhaling. Die smeebaarheid en oop ‘flare’ van die brass dopnek moet mens dophou.

Ek hou baie van die idee om tuisgemaakte en of maak pas planne, soos hierdie 2 voorbeelde, hier te plaas.

Baie mense word afgeskrik met die koste uitleg van al ons herlaaitoerusting.

Beste.
Last edited by Lategan1 on Sun Nov 22, 2020 11:46 am, edited 1 time in total.
Jaggewere, haelgewere, rewolwers, jakkelskyk 8)

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Re: QL hulp - 180gr in .30-06

Post by jdpretorius » Sun Nov 22, 2020 10:33 am

Lategan, ek hoop ek verstaan jou vraag reg......persoonlik kry ek nie gereeld die geleentheid om meer as 600m te speel nie maar wil altyd kyk hoe ver 'n ou 'n standaard loop profiel rak geweer se bene kan rek......en as iemand sê "jy kan nie" sonder n geldige rede dan is dit mos n liksensie om te kyk of dit waar is
So dit hang maar seker af wat 'n ou se begeerte of doel is.

Ns. Akkuraatheid is vir my primer, ongeag afstand.

Die antwoord op jou vraag hang dalk meer af van die skut se vermoë, as die wapen se akkuraatheid.

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Groete, Johan

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Re: QL hulp - 180gr in .30-06

Post by Lategan1 » Sun Nov 22, 2020 11:45 am

Johan, jy noem ‘n mondvol waaroor mens lekker kan gesels!

Die goue vraag waarna ek verwys, is die vraag wat elkeen homself moet afvra oor die doel/aanwending en soos jy tereg noem, die vlak van akuraatheid verlang.

Beste.
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