Sniper Rifle System 99 Anti-Matériel

The Sniper Rifle System 99, abbreviated SRS99, is a United Nations Space Command firearm usable in Halo: Reach.

Background
The SRS first entered service with the Army in 2460. Because of its modularity and ongoing manufacturer support, the SRS99 was adopted by all branches in 2521.

Design Details
It is a gas-operated rifle, firing 14.5x114mm ammunition.