Possum Hollow Bore Guide #6 - .300 Winchester Magnum, 7MM Remington Magnum Fits Remington 700, Winchester Model 70, Mauser Bullet Weight_144gr Form Factor: A Useful Analysis

Form Factor: A Useful Analysis Tool and The Effects of Cartridge Overall Length (COAL) and Cartridge Base to Ogive (CBTO) will expand the shooter’s understanding of these subjects and how they can be used to improve the shooting experience

Also fits on Power Case Prep Center and Case Prep Trio

the Portland GTX is the perfect choice

If utilising the cutter and lock stud

Holds four rifle or shotgun cleaning rods up to 47

Possum Hollow Bore Guide #6 - .300 Winchester Magnum, 7MM Remington Magnum Fits Remington 700, Winchester Model 70, Mauser Bullet Weight_144gr Form Factor: A Useful AnalysisAligns the cleaning rod centrally to the bore to prevent throat or rifling damage. O ring seals the chamber and prevents solvents from contaminating the action and trigger and helps to keep the bore guide firmly in place. Large replacement O ring fits all guides and solvent port.