The United Defense Model 42 (UD-M42) Submachine Gun Forum

72 topics in this forum

1. UD 41 red cover manual

   By M17ap, December 5, 2025
   • 0 replies
   • 176 views
   • 
   • M17ap
   • December 5, 2025

2. What are these worth?

   By tal35, October 5, 2025
   • 2 replies
   • 455 views
   • 
   • Scipion
   • October 18, 2025

3. Still looking for Red cover UD 41 / UD 42 manual or copy / digital download will pay for copy NTX

   By M17ap, November 22, 2024
   • 2 replies
   • 2k views
   • 
   • M17ap
   • July 1, 2025

4. UD 42 subguns Americans training French resistance WWII

   By Frank I., June 13, 2025
   • 0 replies
   • 296 views
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   • Frank I.
   • June 13, 2025

5. Last major piece of the UD outfit found....Double Mag Pouch

   By ordnance, April 6, 2025
   • 1 reply
   • 790 views
   • 
   • Scipion
   • June 9, 2025

6. Need red cover manual lists UD 41 on cover. Will pay for a quality copy . Please please contact M17ap Thx!

   By M17ap, September 7, 2024
   • 0 replies
   • 608 views
   • 
   • M17ap
   • September 7, 2024

7. Found one of my UD-M42 accessory Grail items, an original manual

   By ordnance, December 6, 2023
   • 12 replies
   • 2.6k views
   • 
   • M17ap
   • February 3, 2024

8. Fabrication de la crosse UD M42

   By boony, November 8, 2023
   • 2 replies
   • 700 views
   • 
   • StrangeRanger
   • November 8, 2023

9. What is the price range for a UDM-42 in the current 2023 Market?

   By Sandman1957, August 25, 2023   

   • udm-42
   • price
   • (and 1 more)

     Tagged with:

     • udm-42
     • price
     • 2023
   • 1 reply
   • 1.5k views
   • 
   • BORE
   • September 11, 2023

10. UD42 oiler bottle

    By Annihilator, May 15, 2021
    • 19 replies
    • 4.7k views
    • 
    • Scipion
    • August 7, 2023

11. UD 42 bolt

    By Scipion, May 20, 2023
    • 1 reply
    • 874 views
    • 
    • Scipion
    • June 25, 2023

12. UD-42 Parts Set Listing Now On GunBroker

    By smgrete, January 27, 2021
    • 11 replies
    • 6.1k views
    • 
    • WWIIBuff
    • April 3, 2023

13. UD 42 mags search

    By Scipion, February 9, 2023
    • 7 replies
    • 2.8k views
    • 
    • Scipion
    • March 6, 2023

14. UD 42 cocking lever

    By boony, February 22, 2023
    • 0 replies
    • 735 views
    • 
    • boony
    • February 22, 2023

15. UD42 sling

    By Scipion, October 13, 2022
    • 9 replies
    • 2k views
    • 
    • Scipion
    • February 19, 2023

16. UD42 Parts Kit

    By Blanksguy, February 12, 2023
    • 0 replies
    • 753 views
    • 
    • Blanksguy
    • February 12, 2023

17. 2 UD42s in RIA Dec Auction

    By StrangeRanger, October 23, 2021
    • 5 replies
    • 8.2k views
    • 
    • BRMCII
    • December 7, 2022

18. The UD M.’42: America’s Clandestine Submachine Gun

    By timkel, November 17, 2022
    • 2 replies
    • 1.8k views
    • 
    • timkel
    • December 7, 2022

19. UD 42 Postie on GB

    By StrangeRanger, May 29, 2022
    • 0 replies
    • 6.9k views
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    • StrangeRanger
    • May 29, 2022

20. UD M42 recoil spring

    By sschoen, June 15, 2016
    • 5 replies
    • 13.4k views
    • 
    • MGMike
    • January 27, 2022

21. How Far Does Your Bolt Stem Seat Into The Receiver?

    By Wiclovis, November 29, 2021
    • 4 replies
    • 5k views
    • 
    • Wiclovis
    • December 21, 2021

22. UD42 Ejector Dimensions and Location

    By Wiclovis, September 10, 2021
    • 3 replies
    • 3.8k views
    • 
    • Wiclovis
    • September 11, 2021

23. UD M42 for sale on GB

    By StrangeRanger, June 10, 2021
    • 10 replies
    • 6.3k views
    • 
    • Wiclovis
    • September 10, 2021

24. UD picture with double mag pouch

    By Annihilator, August 28, 2021
    • 3 replies
    • 2.5k views
    • 
    • Sandman1957
    • August 30, 2021

25. M 42 Parts Image

    By PTRS-14.5, January 16, 2016
    • 2 replies
    • 5.5k views
    • 
    • Wiclovis
    • February 11, 2021