buttstock
buttstock is a firearm component or weapon.
Also recorded as shoulder piece; butt.
Overview
Rearmost part of the stock on a long gun.
In detail
It forms part of rifle and stock.
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
“Buttstock”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1779049: buttstock
Consult the source