English | French
Contact | Dealers

Game

12G Grouse Extreme

High performance Grouse load.

Building on the legendary performance of Black Gold, with over two year's development, the new Gamebore Grouse Extreme delivers the ultimate performance on this most testing of game birds.

Using the unique and exclusive Gordon Recoil Reduction system case with a 20mm nickel head and powered by our exclusive F2 powders, these cartridges are smooth and easy on the shoulder and effective beyond words. 

Technology

Velocity

High performance with a velocity of 1450 feet per second.

1450fps

Diamond Shot

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

5x

GRS

The Gordon Recoil System reduced perceived recoil by up to 15%

15%

Unique in design and function, the Gordon System acts as a Shock Absorber, reducing perceived recoil.

The Gordon System allows the shooter to enjoy longer shooting sessions without suffering from fatigue.

Exclusive in the United Kingdom

High Performance
with Low Recoil

The Gordon Recoil System is Exclusive to Gamebore in the UK. This unique recoil reduction system has been performance engineered by the renowned Italian manufacturers Baschieri and Pellagri.

The legendary and revolutionary designed base wad incorporated within the case head reduces recoil by up to 15% allowing higher performance, long range loads to be developed without adversely affecting the shooter.

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 Grouse Extreme 29 5.5, 6 Fibre 20/65 1450 422
12G Grouse Extreme 31 5.5, 6 Fibre 20/65 1450 422
12G Grouse Extreme 33 5.5 Fibre 20/70 1450 422

Related Cartridges

Find a Dealer

Make Gamebore Cartridges part of your ultimate performance kit.

Locate your dealer

This website uses cookies to ensure you get the best experience on our website. Learn more.

Accept and Close

© Gamebore Cartridge Co. Ltd. Great Union Street, Kingston-Upon-Hull, HU9 1AR, England

French Site . Contact . Dealers . Terms . Privacy Policy . ISO 9001 Registered Manufacturer