Introduction
A broken plunger may inhibit your gun from firing correctly. This guide will show you how to replace the plunger and return your riffle to firing condition.
Tools
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            Look at the rear of the rifle. Remove the two 10 mm Phillips head screws that hold the black cap to the rear of the rifle. 
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            Gently remove the black cap. 
 
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            Point the barrel of the device to the left, screw side up. Remove the two 8 mm Phillips head screws (the top two) holding the device slide together. 
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            Keep the device in the same position, remove the three 10 mm Phillips head screws from the bottom of the device slide. 
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            Once all screws are removed, carefully separate the two halves of the device slide and put them aside. 
 
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            Keeping the barrel in the same position as step 3, remove the fourteen 10 mm Phillips head screws from the body of the device. 
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            With the device in the same position, remove the 4 remaining 5 mm Phillips head screws from the body of the device. 
 
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            Grip the cartridge insert, and pull the two halves of the device apart. 
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            Remove the access gate and barrel cover. 
 
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To reassemble your device, follow these instructions in reverse order.