40X Trigger Question

[OldCorps]

Anyone recognize this trigger. It came to me on a 40X 1950s vintage U.S.M.C. property. 2 oz or less pull. No markings at all. Any help appreciated.
Thanks,
John

 

[tim]

It's a Jewell bottom safety trigger.

 

[OldCorps]

It's a Jewell bottom safety trigger.

Thanks Tim