The ammunition used for the EXLRS shoot is made by ourselves using:
The .300 Remington Ultra Magnum, also known as the .300 Ultra Mag' or .300 RUM is a 7.62 mm (.308in.) caliber rifle cartridge , 7.62x72mm, or .30 caliber riflecartridge introduced by Remington Arms in 1999.
The .300 Remington Ultra Magnum is one of the largest commercially available .30 caliber magnums currently being produced. It is a beltless, rebated rim cartridge, capable of handling long-range shooting.