Description
Copied from a an original U. S. Model 1803 Harper’s Ferry Rifle, this patchbox latch spring is made of tempered steel, ready for installation in a cavity in the end grain of your stock, under your buttplate. Includes mounting screw.This patchbox latch V spring is also commonly used on better quality American longrifles.


![[P55340] Starting Key (2-Pack)](https://www.greatdiyhardware.com/wp-content/uploads/2026/07/p55340-starting-key-2-pack.webp)

