Possum Hollow Bore Guides – CENTREFIRE – 21MM


SKU: PH1020 Category: Tag:


Possum Hollow Bore Guide group to suit bolt diameters approximately 21mm.

Please follow the “3 step” instructions here to help choose the correct bore guide within this group.

  • Your bolt diameter needs to measure close to 0.826″ or 21mm to match the bore guides within this group!
  • If your bolt is not of this diameter, then choose a different group of bore guides which matches your bolt diameter.

Step 1Establish your bolt action is one of these models listed here. Also confirm your bolt diameter using calipers.

Steyr SBS, Scout, Pro Varminter

#72 – 7-08, 308, 270, 280, 30-06

#74 – 22-250, 243, 6 rem, 25-06, 6.5×55