Early Cartridge Conversion

U.S. .45-70 Trapdoor Springfield Locking Lever

Also called thumb-piece, thumb piece.

Secures the breechblock closed.

The reference

Documented on this arm

U.S. 45 70 Trapdoor Springfield Locking Lever

Interchange

What a U.S. .45-70 Trapdoor Springfield locking lever also fits

No interchange has been recorded for this part yet. Butch Schoeller writes these notes only from parts he has handled — a blank here means nothing has been checked, not that everything fits.

From the bench

Availability

Stock

No locking lever for the U.S. .45-70 Trapdoor Springfield at the moment

Almost everything here is one of a kind, so it turns over item by item rather than in runs. A wanted listing is the reliable way to hear when the right one surfaces — and it is also what tells Butch which parts are worth making next.

Put it on the wanted board · Everything for the U.S. .45-70 Trapdoor Springfield

All U.S. .45-70 Trapdoor Springfield parts · Locking Lever across every arm · The early cartridge conversion era