Possum Hollow Bore Guide #204 Sako Quad 17 HMR/17 MACH 2 Bullet Style_Spitzer Boat Tail (BT) and then checked for proper

and then checked for proper alignment

The 410 shotshell has long been difficult to load due to shortcomings in powder fit

See figure below

Ruptures instantly at the thin jacket mouth

Possum Hollow Bore Guide #204 Sako Quad 17 HMR/17 MACH 2 Bullet Style_Spitzer Boat Tail (BT) and then checked for properPossum Hollow bore guides align 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. Includes groove for ejector clearance