Weapon skins (Halo 4)/Carbine

From Halopedia, the Halo wiki

In-game Appearance Name Unlock Requirements (Halo 4) Unlock Requirements (MCC) Description (MCC)
N/A Default Unlocked by default Unlocked by default Default Skin applied.
Reign (RGN) Reach Rogue H4 Rank SR Icon.pngH4 Rank 5 Icon.png Unlocked by default Customized with the REIGN skin.
Locomotive (LMV) Purchase the Champions Bundle or Steel Skin Pack. Series 4, Tier 17 (Season point 1) Customized with the LOCOMOTIVE skin.
H4 - Engage skin (transparent).png
Engage (ENG) Purchase the Storm Jackal figure from the Series 2 line of McFarlane figures for Halo 4. Series 7, Tier 85 (Season point 1) Customized with the ENGAGE skin.