Gun trivia

[k9870]

Well use the honor system on this. Dont go look it up on the internet. Then your a tool.

First to guess correct posts the next.

Question:

What is the u.s. military's longest serving cartridge still in use today?

It can be something specialized, like if you want to put .30-06 since its used in the national matches, go ahead. (hint, its not the -06)