Cartridge: 7 mm Remington Ultra Magnum,7 mm SAUM (Remington SA Ultra Mag),WSM Family,WSSM Family,404 Jeffery,300 Remington Ultra Magnum,300 SAUM (Remington SA Ultra Mag) Material: Poly Rounds Held: 50 Delivery weight: 0.227kg Shipping height: 18mm Shipping width: 97mm Shipping length: 193mm