XBR55 battle rifle
From Halopedia, the Halo wiki
For other similar weapons, see battle rifle.
It was issued to Staff Sergeants Avery Johnson and Nolan Byrne as well as their militia squads' marksmen, Critchley and Jenkins by Lieutenant Commander Jilan al-Cygni for use during the Harvest event during the year 2525. This was the first weapon to be used against the Covenant and caused the first alien casualty in the Human-Covenant War. The battle rifle was used extensively in the following battle to protect Harvest's citizens.
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