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Thread: Show me your BRNO / CZ
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16-06-2023, 11:12 #451
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Your logic is of course not incorrect, in my specific case I could get 2x containers of the 203B for not much more than 1x RL-17. I also have a usable amount of S335 allocated to the 9.3 (although I'm saving a set amount for my 308s and 223).
When these stocks run out I'll definitely reconsider the RL-17. Is it a ball powder or extruded? hiw much can you typically get into a 9.3 case before things get too compressed? and what cases are you using? I have a lot of PPU and PMP cases, but both have case volumes of only 74gr H2O, vs a theoretical case volume of 78gr H2O.
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16-06-2023, 12:02 #452
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- Apr 2013
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- Bryanston, JHB
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Re: Show me your BRNO / CZ
It's extruded powder, although quite small granules.
I have been using loads of 62-63gr RL-17 behind 285 and 286gr bullets. The cases seem full according to the shake test, although they are theoretically 96% full. I haven't bothered using a drop tube, just poured in via a funnel. So I am sure I could compact the load more if I needed to. In theory I hit Pmax and 100% case fill at approx 65.5gr RL-17 but I haven't gone there (yet). This would yield an estimated 2500 ft/s.
I am using Sako cases with a case capacity of 76.2 gr H2O. Haven't reloaded PMP cases, although I have some, plus some Norma's.
My OAL length is around 84mm, depending on the bullet used. I have the same rifle as you - as you know, this OAL is nowhere near the lands.
My main reason for going the RL-17 route was to try and get 320gr Woodleighs moving at a reasonable speed. With the various Somchem options I was barely getting over 2000 ft/s.
Happy to share load info via PM if you're interested.
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07-08-2023, 15:03 #453
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- Aug 2009
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- George - Western Cape
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Show me your BRNO / CZ
I am also part of the clan now. Barrel stamps says 92
ZKK 601 in 308
Love the feel and the smooth action.
Question. What rings for the scope do you recommend on the dovetail mount?
If all goes well she should will be tested this Wednesday.
License app took 36 days.
Sent from my iPhone using TapatalkLast edited by Grobbie; 07-08-2023 at 15:22.
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07-08-2023, 15:05 #454
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Re: Show me your BRNO / CZ
Congrats Grobbie, looks a lovely piece! 36 day license app? You should buy a bunch of lotto tickets ;-)
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07-08-2023, 16:36 #455
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Re: Show me your BRNO / CZ
Mooi Grobbie
You can't go wrong with Warne rings for CZ&BRNO actions.
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14-08-2023, 20:26 #456
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Show me your BRNO / CZ
Fully dressed up, zeroed and tested. Silencer can be a bit quieter for my liking but its good enough.
Man I am excited. The Nikon Prostaf 4-16 is zeroed at 200m, making the thick part of the reticle on top basically 100 and the bottom one 300 at 10 power. Hawke rings look to be prime. Thanks for the suggestion.
Sent from my iPhone using Tapatalk
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14-08-2023, 21:02 #457
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Re: Show me your BRNO / CZ
Those sure look like Warne rings to me...
Enjoy every shot, the ZKK is a piece of hunting rifle mastery, and probably the best classic "improved Mauser" action there is, at least in my humble opinion!
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15-08-2023, 09:47 #458
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- Aug 2009
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- George - Western Cape
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