And the winner is: Keihan the proper answer is SMAW : Shoulder Launched MultiPurpose Assault Weapon. I had very few entries, so I guess not much interest. Some of the other guess' were Carl Gustav as well as a BGM. So Keihan will be recieving his prize shortly.

aka MCDLabs
also known as Daniel Merrill a grumpy old disabled Jarhead.
checkout my freebies at
https://www.sharecg.com/pf/full_uploads.php?pf_user_name=mcdlabs