IDPA Information

Every Tuesday night from 6pm to 8pm Bellevue Gun Club/West Coast Armory runs their Tuesday Night Pistol League.  This International Defensive Pistol Association (IDPA) practice match is designed to help shooters practice in real world scenarios to improve their speed and accuracy!

IDPA is founded on six basic principles, found in the IDPA Handbook, which give further insight into what the sport is really about:

I. Promote safe and proficient use of guns and equipment suitable for self-defense.

II. Provide a level playing field for all competitiors to test the skill and ability of each individual, not equipment or gamesmanship.

III. Provide seperate divisions for equipment and classifications for shooters, such that guns with similar characteristics are grouped together and people with similar skills compete aginst each other.

IV. Provide shooters with practical and realistic courses of fire that simulate potentially life-threatening encounters, or that test skills required to survive life-threatening encounters.

V. Offer a practical shooting sport responsive to the shooters and sponsors, with unprecedented stability of equipment rules.

VI. Offer a practical shooting sport that allows competitiors to concentrate on developing skills and fellowship with like-minded shooters.

IDPA uses divisions and classifications to keep shooters competing against those of similar skill level and using similar equipment.  There are five different divisions in IDPA depending on the type of gun you’re using.

Stock Service Pistol

Stock Service Pistol is designed for double action or safe action semi-automatic pistols, such as Glocks or M&Ps.  There are limited modifications, such as changing to a different set of conventional notch and post sights, internal action work may be used to enahcne trigger pull, reliability work may enhance feeding or injection and custom finishes.  however, externally visible modifications, slide lightening and stippling is not allowed.

Enhanced Service Pistol

Enhanced service pistol is designed for modified SSP pistols.  This means that all pistols legal for SSP may be used in ESP, but not all legal ESP pistols may be used in SSP.  The modifications allowed include (but are not limited to) checkering, extended safeties, beveled magazine wells  and extended slide releases.

Custom Defensive Pistol

Custom Defensive Pistol is designed for 1911-style handguns.  They must be semi-automatic and chambered in 45 ACP.  CDP allows for checkering, internal work, extended safeties and magazine release and beveled magazine wells as well as other modifications similar to ESP.

Enhanced Service Revolver

Enhanced Service Revolver is designed for 9mm and larger revolvers that make a power factor of 165,000.  Use of moonclips is permitted in ESR.

Stock Service Revolver

The Stock Service Revolver division is designed for .38/.357 caliber revolvers that uses rimmed case ammunition and isn’t loaded using a moonclip.

Classifications are based on a shooter’s score on the standard IDPA classifier stage in a given division.  Different divisions have different score requirements for different classifications:

Master (MA) 91.76
or less
or less
or less
100.82 or less 102.35
or less
Expert (EX) 111.43
thru 91.77
thru 89.42
thru 98.83
124.29 thru 102.36
Sharpshooter (SS) 141.82
thru 111.44
thru 108.58
thru 120.01
thru 122.01
thru 124.30
Marksman (MM) 195.00
thru 141.83
thru 138.19
thru 152.74
thru 154.74
thru 158.19

IDPA Scoring takes a shooter’s score on a stage and adds that to their time, the goal is to get the lowest score.  IDPA targets are divided up into three different sections: -0, -1, and -3.  If a shooter shoots -1 or -3 that number is divided in two and added to their time for a total score.  So if a shooter hits -1 twice and -3 once, giving them a total score of 5, 2.5 seconds will be added to their time.  Procedural errors add 3 seconds, hits on no-shoot targets add 5 seconds, any misses add 5 seconds and a “Failure to Neutralize” or “FTN” adds 10 seconds to a shooter’s time.  A FTN is given if a shooter fails to hit -0 or -1 on a target.

For more information check IDPA’s website at

  1. #1 by JohnT on June 30, 2011 - 1:56 pm

    Do you guys ever have classification events? (Where shooters new to IDPA can come and get classified?)

    • #2 by West Coast Armory Indoor Range on June 30, 2011 - 3:38 pm

      We do have occasional classifiers. I have one tentatively scheduled for July 17th, we should know for sure next week. I will keep the blog and facebook page updated and be making an announcement at Pistol League and Practical Shooters!

  1. Pistol League Scores from 09/13/2011 « West Coast Armory Events
  2. » IDPA 101 Gun Nuts Media
  3. Pistol League scores from 10/25/2011 « Bellevue Gun Club

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