Any way to shorten the length of pull on a sx3 Longbeard to make it a "compact"
Chop saw and sims slip on pad. Done it to many as I'm a small guy, but not your particular model. I could care lass about affecting value of any gun as long as it works for me. They are a tool to me, not some mystical emotional attachment that can't be altered.
Do you need it shortened or just want to do it? Go to a competent gun smith who understands shotgun fit and have it fitted to you!
I had a former customer who was a competitive trap shooter, he taught me a lot about gun fit. Fortunately for me guns fit me from the factory for the most part!