Possum Hollow - O Rings Size:Large (5pk) Improper techniques and tools can

Improper techniques and tools can damage and pit your bore

Adjustable flip mount allows for right or left-handed use

Built-in sunshade

The turrets can easily be reset back to zero by using no tools at all

The rimfire gauge attaches to your caliper and includes bushings for use with most (not compatible with 17 WSM)

Possum Hollow - O Rings Size:Large (5pk) Improper techniques and tools canReplacement O rings for the Possum Hollow bore guides. 3 sizes Small (10pk), Medium (10pk), Large (5pk) Size matters: So the O ring size being spoken about for this product has to do which how large in diameter the cartridge is. How fat basically. The actual calibre is irrelevant here. Because the O ring on the bore guides basically seal in the chamber roughly half way in. Possum Hollow bore guides have a lot of different nose shape sizes relative to