Assertion: firearm's barrel | /r/HasProperty | 4 lb
Facets:
Source sentences:
text: Another version of the M1919A4, the M1919A6, was an attempt to make the weapon into a true light machine gun by attaching a bipod, buttstock, carrying handle, and lighter barrel (4 lb (1.8 kg) instead of 7 lb (3.2 kg)).