barrack buster
barrack buster is an improvised explosive device or mortar.
Also recorded as Mark 15 Mortar.
Overview
1990s improvised mortars by the Provisional Irish Republican Army.
In detail
It is associated with Northern Ireland.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Barrack buster”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q4863166: barrack buster
Consult the source