Possum Hollow Bore Guide #120 - .300 Winchester Magnum & 7MM Remington Magnum Fits Blaser R93, R8 Action Fit_Hall Mfg Based on a design Barnes

Based on a design Barnes developed for military applications

It contains ball bearings to ensure years of smooth rotation and function

to 458 cal

and primers for the 50 BMG cartridge

The bullet remains intact at ultra-high velocities in fast twist barrels

Possum Hollow Bore Guide #120 - .300 Winchester Magnum & 7MM Remington Magnum Fits Blaser R93, R8 Action Fit_Hall Mfg Based on a design BarnesUsing a Possum Hollow Bore Guide is the easiest and safest way to preserve the accuracy of your bolt action rifle and to clean your rifle from the rifle's chamber end using a Bore Guide. Possum Hollow Bore Guides protect the chamber and bore of your rifle by guiding the cleaning rod through the barrel. An O ring seal prevents solvents or oils from seeping into the action and trigger mechanism. For optimum performance, add an optional solvent port