M21 Sniper Weapon System

M21 Sniper Weapon System is a sniper rifle or firearm model.

In detail

It is associated with United States. The record gives 1975 as its date of establishment or first appearance.

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
“M21 Sniper Weapon System”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1196923: M21 Sniper Weapon System
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