Complex sentence: While popular amongst match shooters in the 1940s it has fallen by the wayside in favor of newer developments, but is still held in high regard for its accuracy and is widely considered the grandfather of benchrest cartridges.
Split into simpler sentences: While popular amongst match shooters in the 1940s it has fallen by the wayside in favor of newer developments. It is however held in high regard for its accuracy and is widely considered the grandfather of benchrest cartridges.