The SMR's two hit kill range is significantly longer than that of the FAL OSW, and the SMR retains the two headshot kill at all ranges, unlike the FAL OSW.
The SMR has high penetration power, allowing the SMR to retain much of its damage when shooting through surfaces. The SMR is always a one hit kill in Hardcore game types, and can even get one hit kills through walls. Getting one headshot ensures that the SMR can get a two hit kill at any distance. An enemy that was previously injured from almost anything when the SMR user fires at them could potentially die in two shots. The SMR past 37.5 meters comes extremely close to netting a two hit kill, as landing two body shots on a distant target will deal 98 damage total. At any range past 37.5 meters, the SMR will deal 49 damage per bullet, needing three hits to kill. At any range between 25 meters and 37.5 meters, the SMR will deal 55 damage per bullet, needing two hits to kill. At any range short of 25 meters, the SMR will deal 59 damage per bullet, needing two hits to kill. The SMR has the highest damage in its class. The SMR is unlocked at level 46, along with the Skorpion EVO. Highest damage per round in class." - Create-A-Class Description Multiplayer " Semi-automatic assault rifle. It is fully-automatic by default, unlike its multiplayer and Zombies counterpart.
The SMR is available at the start of the future missions. High damage with a low rate of fire." - Campaign Description Campaign " Fully automatic assault rifle.