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Manufacturing

Here at “Hull” ballistics are in our DNA. Working closely with a number of top competition shots and infield specialists, our team offer unrivalled experience in cartridge design, production and quality control. In a market that is constantly changing its requirements we strive to exceed customer expectations. The latest technical advances are incorporated in componentry and manufacturing process. Every aspect of a cartridge’s performance is analysed to ensure an unprecedented level of ballistics and consistency. Here’s how we do it …

Our Components

CASES

All our cases contain the CX range of primers globally acknowledged as the most reliable and consistent on the market today. Subjected to rigorous quality control checks including primer sensitivity and plastic elasticity, our bi-axially orientated plastic cases are available in brass and nickel finish in a range of head sizes. Traditional paper cases in their industry safety colours are varnished for water repellence.

POWDER

Hull’s ethos is maximum performance, minimum pressure. All of our propellants are specially engineered to our prescribed specifications in terms of burn rate, pressure and velocity. When kept within our specified limits these single based bespoke powders also offer tolerant storage over a range of temperatures and humidity.

WADS

The importance of the wad is often overlooked. It is the connecting component that transfers the energy produced from the propellant to the shot column. The specially designed compression stage of the plastic wad ensures maximum comfort for the shooter whilst optimising velocity. The material used for our fibre wad is specially selected for its uniform density and thickness before being subjected to a waterproof anti-tear treatment. Our extensive knowledge and experience of using fibre wads over 70 years ensures that even with the modern trend of over bored barrels our wads and over powder cards make an effective gas seal. Making an environmentally friendly choice of fibre wad does not compromise performance. 

LEAD SHOT

Our supplier is considered an industry leader in terms of product quality and consistency. Environmental considerations are also satisfied as the raw material is derived from recycled sources. The control of diametric tolerances ensures that shot sizes are not in breech of competition regulations – an important point when competing at the highest level. Control of spherical tolerances allows the shot to fly truer producing dense regular patterns. Varying the antimony content ensures the correct shot hardness is achieved for each application. Copper and nickel plated shot is used in specialist loads.

STEEL SHOT

Annealed steel shot conforms to European CIP and Saami (USA) regulations and is still the most affordable non toxic alternative.

PRODUCTION AND PROOFING

Originally trained to traditional cartridge loading methods and later introducing modern manufacturing practices, Neil Hookem is at the helm of one of the industry's most respected manufacturers. He leads an experienced production team, trained to his exacting standards.

Quality control technicians ensure componentry fully meets our specification. 

Throughout production we measure ignition time, peak pressure, barrel time, muzzle velocity V1, range velocity (observed V2), pressure curve covering all parameters and of course the all important pattern. Extensive field testing by a team of expert shots guarantees the product is bang on before launch.

To incorporate the values of the brand consistency is critical. Constant QC monitoring guarantees batch to batch, shot to shot, the Hull range ballistics remain within our designated tight tolerances and deliver confident results.