Action Fit: Savage MOD 40,Sako 75,Savage MOD 25 Bolt Diameter: .630 Cartridge: 22 BR (Benchrest) Remington,22-250 Remington,6 mm Remington,6 mm Rem BR (Benchrest),6 mm XC Delivery weight: 0.068kg Shipping height: 23mm Shipping width: 25mm Shipping length: 305mm