COIS™ KYL (Know Your Limits) Centrefire Gong Combo
Loosely based on the Erik Cortina Black Jack Challenge, but with (5) Targets; 250,200,150,100,50mm.
(10) Rounds, (5) Targets.
Target distance: 500 yards / 457.2 meters. Total time to complete stage: 90 Seconds.
Hit a target to continue to the next. If you hit all five targets, you get 21 points (Black Jack). If you have ammo and time leftover, you can continue to shoot at the smallest target for additional “Black Jacks”. The targets can be shot in reverse order for a total of 42 points. After clearing the rack, you return to the smallest target to continue shooting for additional “Black Jacks”. In case of a tie, the shooter with the shortest time wins.
Target 1 – 250mm: 2 points
Target 2 – 200mm: 3 points
Target 3 – 150mm: 4 points
Target 4 – 100mm: 5 points
Target 5 – 50mm: 7 points
Total: 21 points (Black Jack)
Plus 21 points for each additional hit on target 5 (50mm)
COIS™ - KYL Centrefire Gong Set (CB8S) (250-50mm)
Standard Gong Stand, Leg Extension Set, Spacer Set, Hooks, 250, 200, 150, 100, 50x10mm Square Gongs.
COIS - KYL Centrefire Gong Set (CB8R) (250-50mm)
Standard Gong Stand, Leg Extension Set, Spacer Set, Hooks, 250, 200, 150, 100, 50x10mm Round Gongs.
**Combos are made up on order, Lead-time depends on the availability of the Individual items**
Click below link for Optional Extras:
COIS™ KYL Centrefire Gong Combo
- 10mm Thick AR500 Gongs (White & Red) are suitable for Handgun Calibers (9mm, 357, 44, 45) at minimum 10 Meters and Rifle Calibers (223, 270, 30.06, 308, 300, 375) at minimum 100 Meters.
- Use at your own risk!
- Place Targets in front of a back stop.
- Always wear eye and ear protection.
- Keep safe distances; minimum 10m for Handgun Calibers and 100m for Rifle Calibers.
- If the Muzzle Velocity exceeds 3000fps/900mps, place Targets at minimum 400m and further!
- Do not shoot Targets from a side angle.
- Targets must swing away freely or fall over.

