L.E. Wilson Case Length Headspace Gauge, 270 WSM Calibre_.30 Calibre (.308) Provides the data you need

Provides the data you need to refine your hand loading:

430 Sectional Density 0

but none quite like the exclusive Forster Co-Ax Primer Seater

and align the bullet perfectly with the bore

323 Bullet Weight 170gr Bullet Style Round Nose SP Ballistic Coefficient 0

L.E. Wilson Case Length Headspace Gauge, 270 WSM Calibre_.30 Calibre (.308) Provides the data you needInherent 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.