GSSF League Match Safety Rules
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— SAFETY — |
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GSSF/Rock'N Thunder Indoor Match Information
Upcoming GSSF Indoor League Matches at Thunder Alley
| February 21st,2026 | March 21st,2026 | April 18th, 2026 |
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What is the GSSF League?
What is a GSSF League Match???
The GSSF League Match is a series of three matches conducted over a 3-month period. Participants must be current GSSF members and compete in two of the three matches to qualify for plaques and prizes. If you are not currently a member, you may join on-line at https://GSSF.PRO. Competitors may shoot ANY GLOCK pistol.
The Lewis Prize Allocation system is used to distribute awards as equitably as possible. Each separate pistol used during the match will be a separate entry. Your two best scores of each entry during the series will be totaled and averaged at the end of the 3-match series. If a shooter competes in only two matches, his/her scores for each entry are totaled and divided by two. If a shooter competes in all three matches, his/her best two scores for each entry are totaled and divided by 2.
The result is one final score for each entry, which is then listed in the overall order in which he/she finished. The overall list is then divided into thirds, with the top one-third considered “A Class,” the second one-third is “B Class,” and the final one-third is “C Class.” Plaques or Travel Mugs are awarded to the top competitor of each class. Unlimited Class is available for non-stock GLOCK Pistols
All Scoring disputes will be determined by the host range.
Additionally, t-shirts, hats, and field knives are awarded, and a GLOCK pistol is GIVEN AWAY by drawing at the end of a GSSF League Match series.
Check the schedule for the League Match nearest you and come join us for some fun on the range!
We hope to see you at the next GSSF League Match!
Glock Blue Label Program
Thunder Alley Indoor Shooting Range, LLC is proud to offer the exclusive Blue Label program offered by Glock to support those who protect and serve communities across the U.S. and around the world. Those who qualify will receive a discount on any GLOCK pistol of their choice.
Those who qualify include:
Sworn Law Enforcement officers, including Federal, State, County, & City (Includes retired L.E. officers with “retired” credentials)
EMT’s, Fire Fighters, Volunteer Fire Fighters, and Paramedics
Military personnel including Reservists and National Guard with I.D. (Includes retired Military with “retired” credentials) (DD214 With Honorable Discharge on it)
Corrections Officers, including Parole and Probation Officers
State Licensed Security Companies (Loomis, RAM, etc.)
Court Judges, District Attorneys and Deputy District Attorneys
LE Academy Cadets with enrollment documentation from the Academy
For all rules and regulations related to Glock Blue Label click here: GLOCK Blue Label Program Provides a Purchasing Discount
For more information or questions give us a call at: (402) 464-0083 or email us at: indoorrange@windstream.net
Rock’N Thunder
Rock’N Thunder is HERE!!
Dates are:
2026
February 21, 2026 *Saturday
March 21, 2026 *Saturday
April 18, 2026 *Saturday
2026 FALL Match
October TBD
November TBD
December TBD
Registration will start at 7:30am. The last registration will be accepted at 10:30am.
Adult Division:
You will be able to register up to two firearms (run two courses, more if time allows) – Cost: $15.00 first firearm/run, $25.00 For Second Gun & $30.00 for Three firearms/run. Depending on the number of shooters you may be able to register additional times.
ADULT .22 & 5.7X28mm CALIBER DIVISIONS HAVE BEEN ADDED — ALL RULES WILL BE THE SAME AS THE CENTER-FIRE DIVISION (Minimum Caliber Diameter for the Stock Class is .380 Auto) – REGISTRATION WILL COST THE SAME!
Gift Certificate Raffle:
For each FIRST run entry, your name will be entered for your chance to win a Gift Certificate to Thunder Alley! The Gift Certificate will be given away at the last competition of the season (December & April). YOU MUST COMPETE IN AT LEAST 2 of the 3 MATCHES TO BE ENTERED FOR THE GIFT CERTIFICATE RAFFLE!!!
Firearm classification, rules, regulations, course of fire (times and distances), are attached to this page. I will also send them out with our next newsletter. Please read it carefully so we have less confusion during the matches. Just click on the appropriate link below.
Keep checking for more information!
Course of Fire
SAMPLE COURSE OF FIRE
*Please contact host club for current COF
Competitor faces NRA “D1” paper targets at distances of 12 ft., 25 ft., 50 ft. and 75 ft., with firing timed as follows:
| D-1 | 10 rounds | 12 feet | 15 seconds |
| D-1 | 10 rounds | 25 feet | 15 seconds |
| D-1 | 10 rounds | 50 feet | 15 seconds |
| D-1 | 10 rounds | 75 feet | 30 seconds |
| D-1 | 5 rounds | 25 feet | 15 seconds |
| D-1 | 5 rounds | 50 feet |
15 seconds |
Prize Allocation
Lewis Prize Allocation System
The GSSF League uses the “Lewis” prize allocation system to distribute awards as equitably as possible.
During a League competition, where there will be more than one match, the scores are totaled and “averaged” at the end of the 3-match series for each entry shot. If a shooter shoots in only 2 of the 3 matches, their scores are totaled and divided by 2 for each entry shot. If they shoot in all 3 matches, their highest 2 scores are totaled and divided by 2 for each entry shot.
The result is one final score for each entry, which is then listed in the overall order in which they finished. The overall list is then divided into thirds (i.e., the top one-third is “A” class, the second one-third is “B” class, and the third one-third is “C” class).
Plaques will be awarded to the top competitor of each class. In a group of 15 competitors, the winners would be numbers 1, 6, and 11. If the number is not divisible by 3, such as 22, then divide the number by 3 and award plaques to numbers 1, 8, and 15, leaving the largest group in the “C” category.