M-21 - Definition

M21 can refer to various things, including:

Messier object 21, see Messier 21
The M21 sniper rifle, see M21 (rifle)
The M-21 variant of the SR-71 Blackbird

This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.

Copyright 2009 WordIQ.com - Privacy Policy :: Terms of Use :: Contact Us :: About Us
This article is licensed under the GNU Free Documentation License. It uses material from the this Wikipedia article.