Assertion: shotgun's barrel | /r/HasAspect | polygonal rifling
Facets:
Source sentences:
text: A rifled barrel, having spiral grooves or polygonal rifling, imparts a gyroscopic spin to the projectile that stabilizes it in flight and prevents it from tumbling.
text: A rifled barrel, having spiral grooves or polygonal rifling, imparts a gyroscopic spin to the projectile that stabilizes it in flight and prevents it from tumbling.