These firing pins are made with a steel shaft that is permanently bonded to a steel firing pin point. No gunsmithing required.ISS: Remington's Integrated Security System. The bolt has a J-shaped slot in a button that protrudes from the left rear of the bolt. A key inserts into the slot to turn the button and lock the action open.
Gunsmithing Required: No, only requires disassembly and reassembly of the bolt.