It all depends on the parts you need numrich can help for starts and if you call remington arms co they can point you in the right direction
Remington, gun shop, e-gunparts.com
Numrich Arms.
Model 24 is a semi-auto 22.
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Remington never made a model 22, a model 12 pump (1910), or a model 24 semi-auto (1925).
If you are referring to the Remington New Model Army or Navy revolver, we can probably help. sales@countrygunsmith.net
Numrich Gun Parts Corporation located in West Hurley, New York has many original parts for the Remington Model 11. They have seven warehouses worth of gun parts in their inventory.
Remington Model 24 serial no#s were from 00001 to 130,425.Don't know what you mean by long spur and rifle model RW408700?
Try e-gunparts.com
Manufactured 1927
We have SOME original parts for that model, we make others. sales@countrygunsmith.net
Check the service and parts link on the Remington Society of America but the e-gunparts.com is a good starting place...