original_query: What are the specific measurements for Magnum || 7.82 (.308)?
query: What are the specific measurements for 7.82 (.308) Magnum cartridges?
answer: The provided text mentions several .308 Magnum cartridges with varying measurements.  For example, the .300 Winchester Magnum has a case length of 66.55 mm (2.62 in), while the .300 Weatherby Magnum has a case length of 71.75 mm (2.825 in).  Other cartridges like the .300 H&H Magnum, .300 RUM, and .308 Norma Magnum have different measurements as well; consult the table in chunk 18 for details.