I can honestly say that I've never used them for hunting big game. That's why I know
that they don't work. Besides, Sierra agrees with me. [img]/ubbthreads/images/graemlins/smirk.gif[/img]
All kidding aside, do a search here, or on wildcatshootoing.com, or almost anywhere else and you should find more lengthy debate than anyone would what to read.
This is actually a more controversial topic than moly coated bullets, cryo treatments or breaking in new barrels.
SMK Hunting bullet debate