Sniper Rifle System 99 series

The Sniper Rifle System 99 series, abbreviated SRS99 series, is a series of Sniper rifles produced by Misriah Armory and used by the UNSC Marine Corps and UNSC Army.

Weapons of the Line
The following is a list of all known weapons in the series.
 * SRS 99 Anti-Matériel - The UNSC sniper rifle featured in Halo: Reach and Halo: Combat Evolved Anniversary.
 * SRS 99C-Series 2 Anti-Matériel - The UNSC sniper rifle featured in Halo: Combat Evolved and Halo Wars.
 * SRS 99C-Series 2 Anti-Matériel B - A variant of the SRS99C-S2 AM featured in Halo 2.
 * SRS 99D-Series 2 Anti-Matériel - The UNSC sniper rifle featured in Halo 3 and Halo 3: ODST.
 * SRS 99-Series 5 Anti-Matériel - The UNSC sniper rifle featured in Halo 4 and Halo 5: Guardians.