Step L10: Buffer Assembly Installation
Objective: In Step L10 of lower receiver assembly, we will install the buffer assembly into the receiver extension.
Tools Required
Components Required
| Quantity | Component |
|---|---|
| 1 | Lower Receiver |
| 1 | Buffer |
| 1 | Buffer Spring |
Instructions
Step L10.0: Remove Existing Buffer Assembly (replacement/upgrade only)
If you are replacing your existing buffer assembly (or need to remove the buffer assembly for any other reason), first ensure the firearm is unloaded.
With the upper receiver open (connected to lower receiver by the pivot pin) or removed from the lower receiver, depress the buffer retainer pin and spring and pull the buffer and buffer spring out of the receiver extension. It may help to use a pin punch or screwdriver.
Step L10.1: Lubricate the Buffer Spring
Using your finger or a clean wipe dampened with wet lube, apply a thin coating of wet lube to the buffer spring.
Step L10.2: Insert the Buffer Spring into the Receiver Extension
Slide the buffer spring into the receiver extension. You may need to depress the buffer retainer pin, if the buffer spring gets caught.
Step L10.3: Install the Buffer into the Receiver Extension
Seat the narrow end of the buffer into the buffer spring. Push the buffer past the buffer retainer pin. Note that you may need to depress the buffer retainer pin for the buffer head to pass.
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