EntityQ1149944· pop 17· linked from 228 articlesHK21Sign in to save7.62 mm general-purpose machine gunConnectionsHeckler & Koch G3EntitySIG SG 510EntityHeckler & Koch MP5EntityMG 42EntitymagazineEntityHeckler & Koch PSG1EntityHeckler & Koch MP7EntityMG3EntityFN MAGEntity.50 BMGEntityFederal Police of GermanyEntityblowbackEntityHeckler & Koch HK33EntityStG 45(M)EntityCETME rifleEntityHeckler & Koch G41Entityselective fireEntitySecretariat of National DefenseEntityRemington 51EntityHeckler & Koch SR9EntityCategories7.62×51mm NATO machine gunsCold War weapons of GermanyGeneral-purpose machine gunsHeckler & Koch G3 derivativesHeckler & Koch machine gunsLight machine gunsMachine guns of GermanyMachine guns of the Cold WarRoller-delayed blowback firearmsWeapons and ammunition introduced in 1961