Here is the problem. Just to build on what some others have noted, you can reload ammunition with an appropriate bullet and it cannot be distinguished from factory ammo by inspection, especially if loaded a decade or more ago. How can you tell they are not super-hot reloads, wrong powder, double charges??

I would take it apart and reload with the pulled bullets, brass, and my choice of powder for a known loading. I would not take the chance of unknowingly putting reloads in my guns, so it is better to take extra care and reload, rather than take the chance of putting them in your favorite gun.

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Gary
SWCA 2515