SIG SG 551

The SIG SG 551 is a rifle.
==NCIS==
It first appeared in the NCIS Season 8 premiere episode, Spider and the Fly (episode) and later the NCIS Season 8 episode, Enemies Foreign (episode).
==NCIS: Los Angeles==
It appeared in the NCIS: Los Angeles Season 2 episode, Empty Quiver (NCIS: Los Angeles Season 2 episode).
Category:Weapons in NCIS
Category:Weapons in NCIS: Los Angeles