Demonstration of feeding and ejection from Borden Rimrock BR action with Right bolt, left port and right ejection port–case is 30 BR.
Borden Timberline Magnum action feeding 28 Nosler rounds from magazine.
Jim Borden demonstrates how to use a bolt disassembly tool to remove firing pin assembly from Borden Rimrock, Alpine and Timberline actions. Then he shows cleaning and lubrication.
Jim Borden demonstrates use of Bolt disassembly tool to remove firing pin assembly from bolt of Rimrock, Alpine and Timberline actions. He then demonstrates how to disassemble the firing pin unit for cleaning and/or spring replacement.
Feeding 7 WSM cartridges through a Borden Rimrock LSR action.