Queensland police have charged a 29-year-old man with weapon offences yesterday as part of a murder investigation, south of Brisbane.
Neighbours heard a gunshot from a couple's townhouse at Springwood on Sunday night.
Police found a 26-year-old woman inside with serious head injuries.
She later died in hospital.
A 29-year-old man she lived with was at home when officers arrived.
They seized firearms, including a shotgun from the unit.
The man has been charged with four counts of unlawful possession of weapons.
He is expected to appear in the Beenleigh Magistrates Court today.
Investigations into the woman's death continue.