12G Dark Storm Onyx Shotgun Cartridge
The pinnacle in high performance competition loads, with Gamebore’s Quad Seal plus new and exclusive Diamond Shot xtra
Designed with the most extreme sporting clay and FITASC targets in mind, Gamebore’s Dark Storm Onyx builds upon the exceptional performance of the original Dark Storm load, delivering devastating performance and superb patterns at the longest of ranges.
Featuring our new HDP Wad System, which is the Gamebore Wad System design, injection moulded with High Density Polyethylene for use in ultra high performance loads, with built-in Quad Seal technology further improving the seal generated by a standard plastic wad, for ultimate consistency, performance and pattern whilst reducing the felt recoil.
Diamond Shot taken to the next level
NEW Diamond Shot Xtra is produced and perfected in-house for total quality control. A harder pellet, graded even further for perfection in size and sphericity.
Dark Storm Onyx is an ultra-high performance clay cartridge with a muzzle velocity of 1600 feet per second. Our new, top of the range RS propellant gives the highest performance possible, whilst comfortable for the shooter. With a nickel plated head for smooth, consistent and reliable ejection in higher performance loads.
Diamond Shot Xtra Sizes
Knockout
Power
Quad Seal
Exclusive four-ring gas seal
4Diamond Shot Xtra
Our harder precision lead shot, graded 7 times
7xHDP Gamebore Wad System
High Density Polyethylene wad especially for ultra high performance loads
Velocity
The pinnacle in performance with a velocity of 1600fps
1600fpsTechnology
HDP Gamebore Wad System
Gamebore's Wad System design injection moulded with High Density Polyethylene for use in ultra high performance loads, with Quad Seal technology further improving the seal generated by the standard plastic wad.
Diamond Shot Xtra
Diamond Shot Xtra is produced and perfected in-house for absolute quality control. A harder pellet than the original Diamond Shot, graded even further.
RS Propellant
Our custom blended, top of the range double base RS propellant gives the highest performance possible, whilst remaining comfortable for the shooter.
CX2000 Primer
The most highly consistent and reliable primer available. We use CX2000 Primer throughout our range of shotgun cartridges to give the shooter the utmost reliability and confidence.
HD Case
High density polymer plastic case designed to perform in our premium, high performance range. Delivering easy loading and smooth ejection from a case made specifically for these demanding loads.
Nickel Head
Nickel plated heads to give smooth, consistent and reliable ejection in higher performance loads.
Ultimate Performance
Developed to ensure each component combines to give their maximum potential and deliver results which are greater than the sum of their parts - simply the cutting edge of performance cartridges.
High Velocity
Cartridges with high velocity are ideal for performance use and demanding disciplines where targets are at range.
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.
Designed & Developed by Gamebore for Gamebore
How the Quad Seal Works
Designed and developed by our R&D division, the unique four-ring design of the Quad Seal gives four times the sealing area of a conventional plastic wad, retaining energy and giving improved performance with a smoother shoot.
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