An oral dosing syringe assembly comprises a syringe barrel comprising an inner chamber filled or adapted to be filled with medicament, and a channel in fluid communication with the chamber and through which medicament is dispensed. The assembly further comprises an end cap configured to be removably attached to the syringe barrel, characterised in that the barrel comprises an internal threaded section which mutually engages with a threaded section or the end cap to thereby create a seal, which prevents the flow of medicament therethrough.