CVA Lock bolts

[TMerkley]

Anyone know whatjmetric size the Lock bolts are for CVA?  What is the closest American thread for retapping the lock plate? I was told that CVA and Traditions share the same lock. 

Thanks,
Tom

[Hungry Horse]

 I think the 8-32 tap will do the job. And, then just buy some 8-32's from one of the gun part suppliers.

                         Hungry Horse

[rich pierce]

Some early CVA locks were case hardened, would break a tap lickety split.

[TMerkley]

Thanks guys.  I am building a youth model for my son, and picked up an old lock at Friendship on Tues and a 45 cal barrel.  Already have the barrel inletted and a barrel lug made,  also drilled and tapped the barrel for the drum. Tomorrow I will try to inlet the the lock.  It is a full-stock.  I split a log and chopped the blank out and shaped it with draw-knife, hand saw, and chisels last November.  It came from the same tree as my first rifle and as been drying for some time. It is not looking too bad.  Once the lock is inletted, I can remove some more wood and get a good shape to it. Mostly done by hand.  I only used a radial arm saw to try to get a decent plane on the top of the blank to be able to inlet the barrel.  The only other power tool used was a drill. I am not having near the same amount of trouble on this one as I did on the first.   

[Hungry Horse]

Rich is right on the case hardening on old CVA locks. Just go easy with a good tap, and don't forget the tapping fluid, and it will work fine. The miniature trade gun I built my son twenty some odd years ago used an old CVA pistol flintlock, that had no bridle over the tumbler. There were so many CVA guns sold that a local dealer had a replacement part selection for the better CVA locks. I bought a bridle, and sear, from him and with a little drilling and tapping upgraded the old pistol lock.

                            Hungry Horse

[FL-Flintlock]

4.0x0.50 (IIRC)
Solid Carbide tap will cut the lock plate but any wiggle and it'll snap.  Running an #8-32 through won't leave enough thread engagement to make the effort worth while.

[David Rase]

Tom, 
I have an M4x0.7 tap for the CVA lock bolts.  30+ years ago I needed one when I was taking CVA Kentucky rifles, cutting the barrels back, shortening the pull and converting them to kids rifles.  If you PM me your address I would put it in a envelope and mail it to you.  I  have not used it in 25 years.
David

[D. Taylor Sapergia]

I don't know about that David.  I mailed a knife file to one of our ALR guys and it was smashed in hundreds of pieces.  I believe envelopes such as letters, go between rollers on the sorting line, and the tap will likely be destroyed.

[T*O*F]

I believe envelopes such as letters, go between rollers on the sorting line,

The lady at our local post office told me that under new postal regs, if an envelope contains anything other than paper, it is now considered a package and charged at that rate rather than the first class stamp rate.  So, if you're gonna mail anything, you might as well put it in a box.  Grandma can't send any dimes to the grandkids anymore.  I think it has something to do with letter bombs.

[David Rase]

A letter can not be any thicker than 1/16".  A padded envelope with the tap taped to a piece of wood will work.  If you use a box it has to be a certain size also, or it will fall between the rollers.  Seems like nothing is easy any more.
Dave