Why is using pointed centre-fire ammunition in a tubular magazine hazardous?

Using pointed center-fire ammunition in a tubular magazine is hazardous primarily because it can detonate the primer of another cartridge. This danger stems from the design of tubular magazines, which typically hold rounds in a single line. If a pointed bullet from one cartridge is positioned against the primer of another, it creates the potential for accidental ignition when the firearm is subjected to recoil or jarring movements.

The design of such magazines is well-suited for round-nosed or flat-point bullets, which are less likely to strike and activate the primer of an adjacent round. Consequently, it’s crucial to use ammunition types that minimize this risk to ensure safe operation when firing the firearm, especially in situations where the magazine may not be completely stable.

The accuracy improvement, weight considerations, and general preferences for certain conditions mentioned in the other options do not address the critical safety issue posed by the use of pointed ammunition in this specific configuration. Understanding the mechanics of ammunition and firearm design is essential to uphold safe shooting practices.