I wanted the right of reply as an Australian.
First of all some background -
The Event: In 1996 a single individual, using a semi-automatic weapon, shot and killed 35 people and wounded an additional 26.
The Response: The then conservative Prime Minister, John Howard, took the unpopular and brave step of repealing all such weapons. That is - all citizens owning such weapons had to hand them in and were provided monetary compensation. Laws were passed to prevent owning military grade weapons and owning any firearm would have strict licence requirements.
The Outcome: There have been ZERO mass shooting since. The conservative PM went on to become Australia's longest serving PM and gained the respect of both sides of politics for his stand on firearms.
The biblical Verses
The verses quoted by the original OP by
@Adino The Eznite have been twisted and subverted to imply that in not owning a gun, one fails in the duty to protect your family.
As John Howard was quoted as saying, given that most firearm deaths are a result of a domestic violence incident or suicide, removing firearms will protect the family from disgruntled hapless men (statistically firearm murders are predominantly by men, visited upon their family).