Owner manual

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8.1 Cleaning

The SIG556xi rifle must be cleaned after each shooting session or whenever performance is suspect. Clean the rifle as follows:

1. Unload the weapon per Section 4.0;

2. Field strip the weapon per Section 6.0;

3. Clean the barrel and chamber from the rear;

4. Clean other parts of the rifle, using care to remove carbon and firing residue. Pay particular attention to the operating rod,

gas valve, and chamber areas;

5. Lightly lubricate areas of metal contact with a high quality firearms lubricant or grease, paying particular attention to the

bolt/bolt carrier, receiver rails, operating rod, and gas valve;

6. Apply a light coating of high quality firearms lubricant or grease to exposed metal surfaces to enhance corrosion

protection;

7. Reassemble the rifle per section 6.1; and

8. Perform a function check in accordance with section 6.2.