Meaning of だろうと


What is the meaning of 「だろうと」 in the following sentence, and how can we
translate last part of sentence (bold one)?

> 今や人型の死とした存在は、無感動な声で終わりの拳を握り締めた。彼の攻撃を防げる者など存在せず、 **しかも何発だろうと発射可能。**




(Making an answer out of Chocolate's comment)

(何~~)だろうと means the same as (何~~)でも.

I don't know the context, but the last bit of the sentence means something
like:

> [...] it is possible to fire as many shots as wished




(Making an answer out of Chocolate's comment)

(何~~)だろうと means the same as (何~~)でも.

I don't know the context, but the last bit of the sentence means something
like:

> [...] it is possible to fire as many shots as wished

