Polygonal rifling Synonyms

Definitions for Polygonal


  • (adjective) having many sides or relating to a surface marked by polygons

Synonyms for phrase

PR abbreviation

PR is an abbreviation for Polygonal Rifling
What does PR stand for?
PR stands for "Polygonal Rifling"

Definitions for Rifling


  • (noun) the cutting of spiral grooves on the inside of the barrel of a firearm