Assertion: pistol's barrel | /r/HasAspect | 6 right-hand grooves
Facets:
value: with a 1 in 250 mm
type: OTHER
Source sentences:
text: The fixed, free floating, cold hammer-forged barrel has 6 right-hand grooves with a 1 in 250 mm (1:10 in) rifling twist rate and is pressed and pinned into the receiver.