354K views · 5K reactions | Born from audacity and sheer engineering prowess, the devastating power of XM913 makes even the Apache helicopter's 30mm M230 look modest by comparison. This is the most powerful chaingun ever constructed. | Interesting Engineering | Facebook

Museum Guide Dr Declan Brady discusses the pistol said to have been given by Michael Collins to Erskine Childers, who was executed for its possession in 1922. This gun is on loan to the National Museum of Ireland from the Military Archives and is on display at the NMI- Decorative Arts & History in the Irish Wars 1919 to 1923 exhibition. The Museums are open from 10am to 5pm Tuesday to Saturday and from 1pm to 5pm Sunday and Monday, and admission is free. For more information, please see our webs