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Your lock was made by miroku in japan, and then was defarbed by someone into a dog lock. In looking at the lock the plate was cut, elongated and welded. The welding of the plate probably has had an impact on the locks designed geometry causing the sear to engage the tumbler closer than it...

Depends on the lock(s). Fine English sporting guns had fine finishes, some were finer than others. I would say just above a satin finish around 600-800 grit. On all of my lock builds i generally start low and work high with Japanese water stones, work progressively from 120-400 gr. Then do...

Most of the time a lock is not working right was not built well from the start, or … its just older and has depreciated with use. Kibler locks and other CNC made locks generally just need to be cared for, cleaned and lubricated.

Very interesting I’d get rid of the pan bridle

I wouldn’t silver solder the bands, they’re friction fit bands, they don’t just slide on and off. The cut band edges will need to be keyed together i suggest matching 30-40 degree angles. Tack weld one end so you can work without a clamp. If you’re going to oxy acetylene weld the bands...

When you weld the bands you’ll have a height and width problem, i would first cut vertically top and bottom and fit closer, see where that gets you. What are you welding with? Tig mig or gas?

For me, I would say no. I’ve seen too many dog lock guns and worked on too many to be satisfied with what is pictured here. The lock would give me heartburn, it’s just not correct. The stocks were heavy with bulbous butts and high combs. This stock almost looks like a trade gun stock or...

The internals is where it’s real fun on dog locks ! Especially defarbs, I’m sure this one has the miroku internals. Real dog locks Massive mainsprings you need a biceps workout to cock. Beefy wide tumblers with three notches, the first notch is to catch the sear in case the cock flys off...

Dog catch is supposed to slide back freely, the post on its end keeps it from falling off the plate, you don’t want them overly tight because they can catch a full cock and break the screw.

The plate is not bad, the decision to leave the pan bridle is a bit odd, What i would have done in addition 1. Remove pan bridle and lowered the pan fence. 2. Set the French Frizzen spring aside, and fit a long land frizzen spring with a pointed / diamond finial. 3. Squared off the top of...

The lock is a navy arms 1763/66 lock by Miroku, it was defarbed into a dog lock. The late was elongated, there is a welding scar at the top of the sear spring screw. Most dog locks did not have a pan bridle or a French style sear spring too, it’s an ok defarb, not great.

It kind of looks like a new land pattern lock from the 1840’s, the ones that were put on trade guns.

Great info and observations, I’ll go with the repro position on the lock.

Jean Boudroits French arms sketches 1717-1777 barrels

Great job Dave, really nice work as always.

Indian muskets made between 1970 and 1980 were actually made and shipped as firearms, these were high quality reproductions, they’re rare on the market. They were not the same as the guns produced today. They were stocked in African or Turkish walnut and. Distributed and sold by at lot of...

Locks were being stamped of that era, I think the British stopped using engravers on locks around the 1780’s.

Looks like a restoration, mix of original and reproduction parts.

Wear a mask ! Teak is toxic