Complex sentence: On 26 October 1944, in response to increased use of automatic fire weapons on the battlefield like the German Sturmgewehr 44 assault rifle, the select-fire M2 carbine was adopted, along with a new 30-round magazine.
Split into simpler sentences: On 26 October 1944, in response to increased use of automatic fire weapons on the battlefield, like the German Sturmgewehr 44 assault rifle. The select-fire M2 carbine was adopted, along with a new 30-round magazine.