Sinclair Bump Gage Insert, Standard Magnums up to 30 Cal,25\
Attributes
Cartridge:
300 Winchester Magnum,6.5 x 55 mm Swedish Mauser,225 Winchester,30 Remington AR,7 mm STW,264 Winchester Magnum,8 mm Remington Mag,7 mm Remington Magnum,338 Winchester Magnum
Delivery weight: 0.023kg