sentences:  Canyon rifle
  
  The Canyon rifle (shorthand for "cross-canyon" rifle) is a concept familiar to sporting riflemen.The term came into general use in the USA from the 1960s onwards, and alludes to a type of rifle cartridge or rifle-cartridge combination that will shoot very accurately and with an exceptionally flat trajectory out to distances of 300 - 500 yards, thereby minimising the need for very precise distance-judging before taking a shot.