Will depend on the make of derringer. They are not all the same. Would suggest you find a gunsmith to do this one. It is cheaper than taking one to them AFTER you work on it.
To replace a derringer firing pin, first ensure the firearm is unloaded and safe. Disassemble the derringer according to the manufacturer's instructions, typically by removing the grip and accessing the internal components. Carefully remove the old firing pin, taking note of its orientation, and insert the new firing pin in the same position. Reassemble the firearm, ensuring all parts are securely fitted before testing its function.
Take it to a gunsmith. Remove cylinder - remove firing pin pin located under rear site - use finishing nail/small center punch ,place against back of firing pin and tap lightly driving pin toward "removed" cylinder
To remove the firing pin from a Ruger P89, first ensure the firearm is unloaded and the magazine is removed. Disassemble the pistol by removing the slide from the frame, then take out the recoil spring and barrel. Next, locate the firing pin retaining pin at the rear of the slide, remove it, and then carefully pull out the firing pin along with the firing pin spring. Always follow safety protocols and consult the owner's manual for specific instructions.
To remove the firing pin from a Winchester Model 100, first ensure the firearm is unloaded and safe to handle. Disassemble the rifle by removing the stock and bolt assembly. Once the bolt is accessible, locate the firing pin retaining pin or screw, remove it, and gently slide out the firing pin from the bolt assembly. Reassemble the rifle by reversing the disassembly steps.
To remove a firing pin, first ensure the firearm is unloaded and safely handle it. Disassemble the firearm according to the manufacturer's instructions, typically by removing the slide or bolt. Locate the firing pin, which is usually held in place by a retaining pin or spring; carefully remove these components, and then extract the firing pin from its housing. Always consult the specific firearm's manual for detailed guidance.
To remove the firing pin on a Winchester Model 290, first ensure the firearm is unloaded and safe. Then, disassemble the rifle by removing the stock and bolt assembly. Once you have access to the bolt, locate the firing pin retaining pin or screw; remove it, and then carefully slide out the firing pin from the bolt assembly. Always refer to the manufacturer's manual for specific instructions and safety precautions.
To remove the firing pin from a Savage 440A shotgun, first ensure the firearm is unloaded and safe to handle. Remove the stock by unscrewing any screws that hold it in place, and then take off the trigger assembly. Next, locate the firing pin assembly, which is usually secured by a retaining pin or screw; remove this fastener, and then gently pull the firing pin out from the bolt assembly. Always refer to the manufacturer's instructions or a gunsmith for detailed guidance if uncertain.
To remove the firing pin from a Model 61 Winchester rifle, first ensure the rifle is unloaded and the action is open. Then, remove the bolt from the receiver by unscrewing the bolt screw, which is typically located on the right side of the receiver. Once the bolt is removed, you can access the firing pin; carefully push out the retaining pin or screw that holds the firing pin in place, and then gently pull the firing pin out of the bolt assembly. Always refer to a detailed manual or a qualified gunsmith for specific guidance and safety precautions.
You need a gunsmith
Best left to a gunsmith
Get help from a gunsmith
Best left to a gunmsith.