L.E. Wilson Case Length Headspace Gauge, 7 x 57 Mauser Cartridge_300 Remington Ultra Magnum 654 Ballistic Coefficient G7 0

654 Ballistic Coefficient G7 0

No tightening or loosening of collets is required

After sizing operations to check the setup and consistency of your reloading process

20x like all other Berger Bullets

The 6mm Norma BR has become a popular chambering in match rifles used in 300 meter rifle disciplines

L.E. Wilson Case Length Headspace Gauge, 7 x 57 Mauser Cartridge_300 Remington Ultra Magnum 654 Ballistic Coefficient G7 0Inherent with reloading is the potential to oversize your bottleneck rifle brass. And the most important use of a cartridge case gauge is for setting up 78" 14 press type full length resizing dies. Headspace of fired rifle cases can quickly and accurately be measured using this tool with a caliper. This one piece gauge will check overall length to indicate a need for trimming and datum to head length to assure correct headspace to prevent over sizing.