Double barrel lock question

[frogwalking]

I bought a new, but old stock CVA double barrel 12 ga. kit for my grandson.  Looking it over, I noticed that both locks have flys in the tumblers.  Since a double barrel shotgun is not going to have set trigger, why would it have flys in the tumblers?

[smylee grouch]

Could it be that the same lock is used in some of their rifles? Dont know much about CVA.

[T*O*F]

When a lock without a fly is fired, the trigger is held back so the sear will clear the half cock notch, if present.
A double is fired quickly to get ready for the 2nd follow up shot, which is also often fired quickly.  With a fly, neither shot will snag the notch.  Many doubles only have a fly on the lock fired by the forward trigger and no half cock notch on the 2nd lock.

[Captchee]

CVA had a couple  different SXS they offered  . The early one had   un bridled locks  as well as a very simple and common trigger arrangement.
 Later SXS  came in two models , field  grade  and what they called a presentation grade .
 Both carried engraved locks . I may have it back wards but as I recall the field grade  had ducks on the engraving and presentation had quail ? Presentation grade also carried a much nicer stock.
 The trigger  set on these were also different in that instead of having a trigger bar that came up and pushed against the  sear , the sears road in the trigger itself .
 In other words  you could not remove the trigger set  without removing the locks   because the sear bars on both locks fit through holes in their respective triggers .
  While this made for  more solid trigger  engagement, it also created the possibility of the lock  hanging in the ½ cock   do to the triggers not having as much movement  as you would have in a more traditional type pivoting trigger
 Thus you have a fly  on the tumbler

[Steve-In]

It is a CVA, leave the fly.  I might wrong but to me if a lock is designed to use a fly by removing one you are going to have the potential for problems.