Flintlock
U.S. Model 1816/21 Flintlock Musket Mainspring
Also called main spring, Mainsprings.
Drives the cock forward.
The reference
Documented on this arm
- U.S. Model 1816/21 Flintlock Musket Mainspring
Interchange
What a U.S. Model 1816/21 Flintlock Musket mainspring 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 mainspring for the U.S. Model 1816/21 Flintlock Musket 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. Model 1816/21 Flintlock Musket
All U.S. Model 1816/21 Flintlock Musket parts · Mainspring across every arm · The flintlock era