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Step 13Option #2: Reinforced Firing Pin
If you are using a lot of rubber bands, you will notice that the back end of the firing pin may break off sometimes. Here is how you can reinforce it.
1: Remove all rubber bands, and take out the firing pin.
2: Remove the red connectors from the black rod.
3: Wrap a small piece (3-4 in, 7-10 cm) of masking tape around the end of the firing pin to give it a little extra thickness.
4: Replace the red connectors, re-insert the firing pin, and replace rubber bands.
1: Remove all rubber bands, and take out the firing pin.
2: Remove the red connectors from the black rod.
3: Wrap a small piece (3-4 in, 7-10 cm) of masking tape around the end of the firing pin to give it a little extra thickness.
4: Replace the red connectors, re-insert the firing pin, and replace rubber bands.
- If it's easy to snap on the red connectors, add more masking tape.
- It helps to snap on one red connector at a time.
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