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Old September 3rd, 2002, 20:11
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.....any one done this and still got all appendiges ? .......any help .......thanks
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Old September 3rd, 2002, 23:08
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I have a friend who converted a Soviet PTRD anti-tank rifle to 20mm. I think he occasionally rolls his own. He might have some tips for you. Or you might try There are a few psychos there for whom .50 BMG just isn't big enough.

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Old September 6th, 2002, 01:48
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Which 20mm? I've been reloading the 20mmx138B for the Lahti for many years. Takes some expensive tooling but once you're set up it's not much different than any other cartridge. Original cartridges must also be converted from the Berdan to Boxer primers. Easy to do if you have a lathe and related tooling.
Only press I know of that'll handle the cartridge is the Rock Crusher sold by Dave Cumberland (the Old Western Scrounger). Dies are available from several sources. WC872 powder is plentyful and cheap. 20mm Vulcan bullets can be used in both the US 20mm and the Lahti/Solothurn cartridge and are also available from several sources.
If it's the Lahti/Solothurn you're interested in, I can give you more details.
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Old September 6th, 2002, 15:47
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Thumbs up

..swampfox.........your my hero......yes on the Lahti..........

[This message has been edited by BOLTRIPPER (edited 06 September 2002).]
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Old November 21st, 2017, 22:02
partisan50 partisan50 is offline
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Join Date: Apr 2002
Location: ne P.A.
Posts: 592
Default Re: need help on reloading 20mm............

Does anybody still own and load for a 20mm Lahti?
I was bored shooting 50 bmg rifles so I bought a 20mm!
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