The thin-plated full metal jacket offered by other manufacturers is easily distorted and often breaks or separates when the bullet impacts the target.
The Hornady AMP bullet jacket features virtually zero tolerance for concentricity and near-zero wall thickness variation, punching through targets without deforming or breaking.
Big Book Catalog, Issue:67, Page:524
Sinclair, Issue:0A, Page:090
Sinclair, Issue:0B, Page:096
Sinclair, Issue:12, Page:114
Sinclair, Issue:1A, Page:102
Sinclair, Issue:1B, Page:114
Sinclair, Issue:2A, Page:114
Sinclair, Issue:2B, Page:114
Sinclair, Issue:3A, Page:112
Sinclair, Issue:3B, Page:110
Sinclair, Issue:4A, Page:108
Sinclair, Issue:4B, Page:108
Sinclair, Issue:5A, Page:108
Sinclair, Issue:5B, Page:108