Lancer could refer to the following weapons:
- The Mark 1 Lancer Assault Rifle, the preceding model of the COG's infamous rifle used primarily during the Pendulum Wars.
- The Mark 2 Lancer Assault Rifle, the gun best known for its Chainsaw Bayonet attachment.
- The Custom Lancer, an upgraded version of the Mark 2 used after the Lambent Pandemic and Locust War.
- The Police Lancer Assault Rifle, a Lancer variant used by police forces around COG nations.
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