Assertion: rifle's barrel | /r/HasProperty | heavy weight barrels
Facets:
Source sentences:
text: Swiss-produced barrels could be found in both standard Mosin–Nagant 1891 contour and in a heavier contour designed for improved accuracy, while all German-produced barrels were heavy weight barrels.  
text: Swiss-produced barrels could be found in both standard Mosin–Nagant 1891 contour and in a heavier contour designed for improved accuracy, while all German-produced barrels were heavy weight barrels.