Power Factor Explained: Major vs Minor in Competition Shooting
Power factor explained: the bullet-weight-times-velocity formula, major vs minor scoring tiers, which divisions use each, and how power factor is chronographed at matches.
The Smart Way to Buy Guns Online
A series of posts that will guide you through the maze of guns and firearms. We give you advice, help and answer those simple questions you don’t always want to ask.
Power factor explained: the bullet-weight-times-velocity formula, major vs minor scoring tiers, which divisions use each, and how power factor is chronographed at matches.
USPSA divisions explained: all eight handgun divisions from Carry Optics to Open, what gear each allows, the rules on optics and magazines, and which division a beginner should shoot.
What is IDPA? A plain-English guide to the International Defensive Pistol Association: how a defensive match works, the eight divisions, the scoring, and how to shoot your first match.
What is 3-Gun shooting? A plain-English guide to the multigun sport: how a match works with rifle, pistol and shotgun, the divisions, the guns you need and how to start.
What is Steel Challenge? A plain-English guide to the speed shooting sport: the eight fixed stages, the stop plate, time-based scoring, the divisions and how to shoot your first match.
What is PRS? A plain-English guide to the Precision Rifle Series: how a long-range match works, the divisions, the gear you need and how to start in the rimfire series.
How to get started in competition shooting: a step-by-step beginner guide to picking a discipline, finding your first match on Practiscore, what to bring and what to expect on match day.
What is USPSA? A plain-English guide to the United States Practical Shooting Association: how a match works, the divisions, hit-factor scoring and how to shoot your first match.
Last updated May 2026 · By Nick Hall, club-level competitor across USPSA, Steel Challenge and PRS The fastest way into competition shooting is a local Steel Challenge or USPSA pistol match, where you can run the gun you already own and learn the ropes for the price of an entry fee and a box of … Read more