Jose Manuel Campos, 19, was sentenced to 25 years to life for the murder and an additional 25 years to life for personal use of a firearm.
Campos was convicted by a Riverside County jury on Oct. 27, 2011, of the murder of 17-year-old Adrian Rios.
Rios, who was 17 at the time of his death, was murdered after he watched a football game at Campos' home Nov. 15, 2009. Rios was involved in an altercation with Ivan Ruiz, a friend of Campos'. Campos joined in on the fight and fatally shot Rios with a rifle.
It was reported that the boys had also been drinking and smoking marijuana that night.
At some point Rios body was dismembered.
Campos and Ruiz later burned Rios' body in a makeshift grave near a fire pit in Campos' backyard.
Ruiz pled guilty to being an accessory and was sentenced to 180 days in county jail and three years of formal probation.