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The SCAR-H is a Belgian-manufactured assault rifle that appears in the non-canonical Nazi Zombies storylines Spacefront, Apocalypse II: Left Behind, Origins, and a few missions of the Apocalypse storyline.
SpacefrontSpeed Cola. The SCAR-H is a good assault rifle up until about round 14, where it starts to lose most of its killing ability. When the the SCAR-H is upgraded it becomes the "SCAR-L 115", obtaining a fifty round magazine, increased damage, a Red Dot Sight, and decreased weight.
Apocalypse and Apocalypse II: Left Behind
The SCAR-H in the Apocalypse and Apocalypse II: Left Behind storylines has a medium rate of fire, medium accuracy, medium range, and high penetration. It has a thirty round magazine. Just like the Spacefront version, the SCAR-H has a slow reload. It is a good weapon until round 13, where it starts to lose it's ability to effectively kill zombies. By round 15, it should be traded in for a light machine gun. When Pack-a-Punched, the SCAR-H becomes the "Special Operations Combat Assault Rifle - Heavy". It obtains a fifty round magazine, Red Dot Sight, and increased damaged.
The Origins version of the SCAR-H has the exact same ergonomics as its original version. The only difference is that it has a black finish and when upgraded it becomes the "Scarred Warrior". After the upgrade it gains a fifty round magazine, Holographic Sight, Grenade Launcher, increased accuracy, longer range, and extremely increased damage.
Modern Zombies (PaC)
When Pack-a-Punched it becomes the SOUL-SCARER and it's stats increase and it gains a red dot sight. It also gets a gold camo.
New DawnThe SCAR-H appears in the New Dawn storyline, and is identical to it's Black Ops II counterpart. The only difference is that, when Pack-a-Punched it becomes the Lion King.