German semi-rimmed varmint cartridge developed by RWS for combination guns (Drilling and Bergstutzen); widely used in German and Austrian combination firearms.
Type: Rifle
Introduced: 1968, Germany
Parent case: Proprietary semi-rimmed
Standardization: CIP
Bullet diameter: 0.224" (5.69 mm)
Rim type: Semi-rimmed
Primer: Boxer Small Rifle
Production status: Active
Also known as: 5.6x50R · 5.6x50mm Magnum · 5.6x50mmR Magnum
History: Developed by RWS in 1968 specifically for the rifle barrel of German combination guns — Drillings (triple-barreled guns) and Bergstutzen (mountain combination guns). The semi-rimmed case ensures reliable feeding and headspacing in break-open combination arms. CIP-standardized and still in production.