Right to bear arms

I just want to make a small observation. The words guns or firearms do not appear anywhere in the second amendment.

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

The amendment refers to "Arms".  No one that I am aware has construed this to mean that the second amendment protects citizen's rights to own all types of armaments. There appear to be accepted limits such as prohibitions on owning thermonuclear devices, nerve gas, or death rays. There are limits.

I am not one to completely place my trust in the inherently benign projection of state power and there are inherent concerns when the power differences between citizens can muster and what a state can deploy grows too large. However, why can't we recognize that that we can honor the second amendment while simultaneously place restrictions on the type or armaments that citizens can own and deploy?