Author Topic: DUO Dates  (Read 4521 times)

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Offline czechollector

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DUO Dates
« on: June 11, 2023, 10:04:58 PM »
Has anyone ever seen a '46 or '47 dated DUO?
CZ22, CZ24, CZ27, CZ36, CZ38, CZ45, CZ46, CZ50, CZ52, CZ70, CZ75, CZ82, CZ83, CZ85, Drulov M70, DUO, Grand .38 Sp, Mars, Z, M1922, Praga, Praha, Slavia, Little Tom, VZ24, VZ33, VZ52, VZ52/57, VZ527, VZ54, VZ58, VZ98/22, ZKM451, ZKM455S

Offline rdcinhou

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Re: DUO Dates
« Reply #1 on: December 31, 2023, 06:08:13 PM »
I haven't seen those years in a DUO.

My 1st DUO is 1949 with S/N 179xxx.

I just bought a 2nd DUO today which is stamped '41' with a S/N 17xxx.
I'm pretty sure it is an early one with the low S/N and it also says "F. Dusek Opocno".
My 1949 one says "CZ".

About this new one...after getting it apart, it has the following problems:
  • Broken firing pin
  • Missing firing pin guide rod
  • Wrong magazine (again!)
  • A much longer/stiffer recoil spring than my other DUO

My 1949 DUO came with 2 mags.  Using snap caps, only one of the 2 feeds/cycles correctly.
It's a good idea to test them to make sure they work.

Sadly Numrich and others that I've looked for in the last hour are out-of-stock or already sold.
« Last Edit: February 09, 2024, 09:09:45 AM by rdcinhou »
CZ24/27/38/40P/45/52, Vzor 50/70,75BΩ,75D Compact,P01/07/09,P10M/S/C/F(9mm,.45), Phantom,SP01 Tactical,Shadow 2 (Blue,Urban Gray), 82/83/85 PreB, 97BE,97BD,97BDE,100,1911A1, 2075D RAMI,452 American,550 Urban Counter Sniper,805 Bren S1,Drake G2,Duo,Z,vz24 8mm Mauser,FK 7.5 BRNO Field Pistol, PSD

Offline czechollector

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Re: DUO Dates
« Reply #2 on: January 01, 2024, 10:34:10 AM »
My earliest DUO is 22XXX.

Hope you're able to find the parts you need.
CZ22, CZ24, CZ27, CZ36, CZ38, CZ45, CZ46, CZ50, CZ52, CZ70, CZ75, CZ82, CZ83, CZ85, Drulov M70, DUO, Grand .38 Sp, Mars, Z, M1922, Praga, Praha, Slavia, Little Tom, VZ24, VZ33, VZ52, VZ52/57, VZ527, VZ54, VZ58, VZ98/22, ZKM451, ZKM455S

Offline rdcinhou

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Re: DUO Dates
« Reply #3 on: January 01, 2024, 11:29:53 AM »
I forgot to mention that there is a Lion with a crown over an 'N' (smokeless powder proof) next to the '41'.
To the left of the line is "6840".

Same Lion proof mark also on the barrel.

I think I've found a firing pin online.

I'll take photos and post measurements between the my two to help figure out what parts (if any) are the correct ones.
CZ24/27/38/40P/45/52, Vzor 50/70,75BΩ,75D Compact,P01/07/09,P10M/S/C/F(9mm,.45), Phantom,SP01 Tactical,Shadow 2 (Blue,Urban Gray), 82/83/85 PreB, 97BE,97BD,97BDE,100,1911A1, 2075D RAMI,452 American,550 Urban Counter Sniper,805 Bren S1,Drake G2,Duo,Z,vz24 8mm Mauser,FK 7.5 BRNO Field Pistol, PSD