This drop-in-kit is coming with 4 different springs to cover all kind of primers and an metric allen wrench for the set screw.
- Hammer coil spring system for 1873 and 1866 Uberti lever action rifles.
- The kit can be used in a 1873 Uberti rifle with original Uberti trigger.
- But the best performance you get together with SBGW trigger kit.
- In a 1866 Uberti rifle the original trigger need to be used.
- In the case when using the original Uberti trigger, the set screw is to adjust the trigger.
See also the articles in Cowboy Chronicle:
October 2016 from Larsen E. Pettifogger, pages 48-55:
https://www.sassnet.com/Downloads/16eChron/16octchron.pdf
January 2015 from Larsen E. Pettifogger, page 36-45:
https://www.sassnet.com/Downloads/15eChron/15janchron.pdf