Question: what gun that was also a .30 caliber semi-automatic carbine was used in the Daingerfield church shooting? 
Sentence (from "Daingerfield church shooting"): Alvin Lee King III, a former high school teacher, armed with a scoped, semi-automatic AR-15, an M1 carbine, and two revolvers, killed five people and wounded 10 others, after members of the church had declined his request to appear as character witnesses in a trial in which he was charged with raping his daughter.
Relevant evidence: Yes