SIG SAUER SIG522 and SIG556 Charging handle - Manual (Page 2)

556 Charging Handle Installation
The charging handle for your new Sig Sauer 556 rifle is located inside the pistol grip.
1. Remove the charging handle from pistol grip by depressing the latch at the rear of the grip and
swing open the floorplate.
2. Push the takedown pin (rear pin) from left to right and swing open the receivers.
3. Push the bolt carrier assembly completely forward. You need not remove the bolt carrier form
the receiver.
4. Close the receivers and push the takedown pin completely to the left.
5. Depress the charging handle latch and insert the charging handle with the notch for the latch
facing upward or the word “UP” facing upward. The latch should engage the notch in the
charging handle.
6. Pull on the charging handle to ensure it is captured by the charging handle latch and does not
pull free of the bolt carrier.
7. Test the function of the bolt carrier by retracting the charging handle and cycling the bolt
several times