Upper Receiver Assembly (AR-9, AR-15, and AR-10/LR108)
In this section, we will walk you through the upper receiver assembly process. We will cover this in a specific order to minimize having to undo/redo things.
Step U1: Attach Vice Block and Secure in Vice
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Objective: In Step U1 of upper receiver assembly, we will install the upper receiver into a vice block and vice.
Tools Required
Components Required
Quantity | Component |
---|---|
1 | Upper Receiver |
Instructions:
Step U1.1: Attach Vice Block to Lower Receiver
NOTE: If you are using Wheeler Universal Upper Receiver Block, you will be working upside-down while your upper is mounted in the vice.
Install the upper receiver onto the upper receiver vice block per the vice block manufacturer’s instructions.
Step U1.2: Install Vice Block into Vice
Secure the vice block in the bench vice.