I am pulling down a bunch of handloaded 9mm ammo (not mine) that I just don't trust in my Glock. I have been in contact with a competitive shooter on another forum and he advised me NOT to re-use the bullets. I am pulling them with my Hornady collet puller and they are not damaged at all so I don't understand his reasons.
When asked why not re-use them, he said.... "because you don't know what the original resize die was nor how much crimp was applied. Some loaders use undersized dies. And it also depends on the bullet construction, cast, copper plated, moly coated, poly coated, complete metal jacket or full (front) metal jacket. It doesn't mean it won't work, but why bother??
These are 115gr FMJ bullets, nothing out of the ordinary. Basically I just want to change the powder and use the rest. Any thoughts on this?