Assertion: colt's design | /r/HasProperty | tube
Facets:
Source sentences:
text: The initial design included a tube to vent burnt powder gas back into the bolt carrier assembly where it expands in a variable volume chamber forcing the bolt open to eject the spent cartridge case.
text: The initial design included a tube to vent burnt powder gas back into the bolt carrier assembly where it expands in a variable volume chamber forcing the bolt open to eject the spent cartridge case.