1728 French Lock?

[Millford_P]

Doesn’t look French to me, possibly German or Dutch or even Austrian.

The 1728 French pattern lock was very common in Europe of the time, and was copied by the Dutch and many builders Germany, and was even used as the basis for many smaller rifle locks.

Early German muskets used a 1728 style lock that had a deep curve, some were straight too.

Dutch locks were very similar too.

Def not Spanish too.

The bridle looks much more modern, possibly a replacement.

Intenrals don’t look French to me, are different look more German.

1728’s had very straight plates too.

1717 plates were 6 1/2 inches long, some had a curve some didn’t, the later ones didn’t.

Most 1717’s were marked IFC on the plate, with a few being marked St.Etinien.

That makes more sense! Hopefully I'll one day figure out where these stampings on both came from and solve the mystery.
Maybe Belgium?