Assertion: rifle's magazine | /r/HasProperty | introduced for use
Facets:
Source sentences:
text: The 30-round magazines introduced for use with the selective-fire M2 carbine would not be reliably retained by the magazine catch made for the original M1 carbine which was designed to retain a 15-round magazine, so the much heavier (when loaded) 30-round magazine would not be properly seated in the M1 carbine magazine well.