Assertion: rifle's barrel | /r/HasProperty | chrome-lined
Facets:
value: with four rifling grooves
type: OTHER
value: for heat tolerance
type: PURPOSE
Source sentences:
text: In most variants (Yugoslav models being the most notable exception), the barrel is chrome-lined for increased wear and heat tolerance from sustained fire and to resist corrosion from chlorate-primed corrosive ammunition, as well as to facilitate cleaning.
text: The Five-seven barrel is cold hammer-forged and chrome-lined, with a total length of 122 mm (4.8 in) and a rifled length of 94 mm (3.7 in).
text: The barrel of the AK-47 is chrome-lined with four rifling grooves.