Possum Hollow Bore Guide #57 - .270 Winchester, .308 Winchester Fits Hall / Barnard P Action Rod Guide Cartridge_338 Winchester Magnum solid cast frame that offers

solid cast frame that offers greater visibility and easier access to the cartridge

338 Bullet Weight 250gr Bullet Style Hybrid OTM Boat Tail Ballistic Coefficient G1 0

576 Ballistic Coefficient G7 0 Sectional Density 0

136 Sectional Density 0

The large amounts of copper fouling and the burned-in moly can create a cleaning nightmare

Possum Hollow Bore Guide #57 - .270 Winchester, .308 Winchester Fits Hall / Barnard P Action Rod Guide Cartridge_338 Winchester Magnum solid cast frame that offersA Possum Hollow bore guides aligns 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.