Met Police officer showing seized guns

The video provides an overview of the Mac 10 submachine gun, highlighting its capability to discharge 18 rounds per second. It discusses the historical and current usage of the weapon by special forces globally, noting its decreased presence today. The video also emphasizes the rarity of such weapons, particularly in London, where they are seldom seen.

What does the speaker imply about the current use of the Mac 10 globally?

What types of weapons are considered rare in London according to the text?