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12G Dark Storm Game with Quad Seal

Ultimate performance game

For the discerning game shooter who demands the very best, Gamebore’s Quad Seal® is the most ground-breaking development in modern cartridge manufacturing history.

Taking the legendary performance of Dark Storm® Game even further, the Quad Seal technology delivers never seen before knock-down power where it matters most; down range.

Designed and developed in house by Gamebore, exclusively for Gamebore, Quad Seal gives improved ballistic consistency, noticeably reduced recoil and increased striking energy. Plus it is fully degradable and 100% environmentally friendly.

Combined with precision made Diamond Shot® and Gamebore’s exclusively blended powders, the Dark Storm with Quad Seal takes the renowned Black Gold® range to the next level and beyond.

Continental sized Diamond Shot

All cartridges should be stored at room temperature in a dry location. Adverse temperatures may affect performance. Do not expose to extreme temperatures.


NEW Quad Seal™

Exclusive 4 Ring Gas Seal


Diamond Shot

Our precision shot produced here at Gamebore. Graded 5 times.



Up to 1525 Feet Per Second (FPS)


Designed & Developed by Gamebore for Gamebore

How The Quad Seal Works

The unique four-ring design of the Quad Seal gives four times the sealing area compared with a conventional plastic wad.

Find out more

Technical performance

Velocity x Distance

The following graph shows the relationship between Velocity (MPS) and Distance (M) for the shot selected from the table below.

Cartridge Load gms Shot Size WAD Length mm Muzzle Velocity FPS Velocity MPS V1
12G Dark Storm Game with Quad Seal 28 5, 6 Fibre QS 20/70HD 1525 440
12G Dark Storm Game with Quad Seal 30 4, 5, 6 Fibre QS 20/70HD 1490 432
12G Dark Storm Game with Quad Seal 32 4, 5, 6 Fibre QS 20/70HD 1475 426
12G Dark Storm Game with Quad Seal 34 4, 5 Fibre QS 20/70HD 1470 425
12G Dark Storm Game with Quad Seal 36 4, 5 Fibre QS 20/70HD 1460 424

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