Ontario Rifle Shooters Association
Official ORSA Records – Group Shooting
| Class | Yardage | Competitor | Date Established | Group/Agg (inches) |
| Heavy Varmint | 100 Yard Agg. | Bill Mitchell | August 29, 2015 | 0.1448 |
| Heavy Varmint | 200 Yard Agg. | Paul Burns | August 5, 2001 | 0.1756 |
| HV Grand Agg | 100/200 | Bill Mitchell | August 30, 2015 | 0.1859 |
| HV Small Group | 100 | Murray Long | August 10, 2003 | 0.062 |
| HV Small Group | 200 | Norm Barber | July 5, 1998 | 0.184 |
| Light Varmint | 100 Yard Agg. | George Switzer | June 2, 2001 | 0.1842 |
| Light Varmint | 200 Yard Agg. | George Switzer | May 31, 2003 | 0.2127 |
| LV Grand Agg. | 100/200 | George Switzer | June 2, 2001 | 0.2205 |
| LV Small Group | 100 | Gerry Kruschenske | August 8, 2003 | 0.055 |
| LV Small Group | 200 | Bill Gammon | August 7, 2004 | 0.095 |
| LV/HV Two-Gun Agg. | 100/200 | Bill Mitchell | August 30, 2015 | 0.2042 |
| Custom | 100 Yard Agg. | Joe Timbers | June 7, 1998 | 0.2430 |
| Custom | 200 Yard Agg. | Jeff Devine | November 19, 1995 | 0.3135 |
| Custom Grand Agg. | 100/200 | Jeff Devine | August 3, 1996 | 0.2960 |
| Custom Small Group | 100 | Ken Cluchey | August 3, 1996 | 0.149 |
| Custom Small Group | 200 | Ken Cluchey | April 13, 1997 | 0.373 |
| Factory | 100 Yard Agg. | Jan Tombs | October 25, 1998 | 0.3306 |
| Factory | 200 Yard Agg. | Jan Tombs | October 25, 1998 | 0.3750 |
| Factory Grand Agg | 100/200 | Jan Tombs | October 25, 1998 | 0.3528 |
| Factory Small Group | 100 | Jan Tombs | October 25, 1998 | 0.184 |
| Factory Small Group | 200 | Paul Kedzierski | November 19, 1995 | 0.298 |
* all shooters are from Ontario, Canada