Nerf N-Strike Firestrike O-Ring and Plunger Replacement

Introduction

If the blaster doesn't cock properly, the plunger and O-ring assembly may be damaged or broken. In this guide, you will learn how to replace the O-Ring and Plunger from the Nerf N-Strike Firestrike. This requires nothing more than a number 1 Philips screwdriver.

What you need

Step 1 Remove battery cover

Nerf N-Strike Firestrike O-Ring and Plunger Replacement, Remove battery cover: step 1, image 1 of 1

Use a #1 Phillips screwdriver to remove the 10 -mm screw that secures the battery plate, then remove the battery cover using your hands.

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Step 2

Slide out the two AAA batteries using your fingers.

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Step 3 Blaster Casing

Nerf N-Strike Firestrike O-Ring and Plunger Replacement, Blaster Casing: step 3, image 1 of 1

Remove the seven 10-mm black Phillips screws from the blaster casing with a #1 Phillips Screwdriver.

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Step 4

Slowly pull apart the blaster casing, starting at the battery location.
Keep pulling apart slowly until it separates completely. Be cautious as to not send the internal components flying.

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Step 5

For reassembly, ensure that the chrome nut gets put back in the proper location, signified by the red box.
For reassembly, ensure that all the parts are lined up correctly on the dowels, signified by the four orange boxes.
For reassembly, note the location of the springs as highlighted in the second photo.