Pattern 1853 Enfield
Pattern 1853 Enfield is a rifled musket or weapon model.
In detail
It is associated with United Kingdom of Great Britain and 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
“Pattern 1853 Enfield”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q680898: Pattern 1853 Enfield
Consult the source