"Kulabir Singh, a native of Tarlaa tehsil in Jammu district, posted at the Moori border outpost near pillar number 1070, died after his INSAS rifle went off accidentally," the police said.
The border outpost borders Pakistan.
"The bullet hit his forehead," police said.
Singh, a constable with the BSF's 95 batallion, was on duty when the incident occurred between 2.50 PM to 3.05 PM, they said.
BSF 95 batallion's company commander K B Sharma informed the police about the incident.