Model: AC-12 Carbon, AC-12, CL-SP, and CL-15
1. Move the shield retention button to the open position.
2. Open Shield to the maximum open position.
When the shield is opened to its maximum open position, the arrow on the shield should line up with the arrow on the handle-locker.
3. Move the handle-locker to the open position.
4. Shield will be automatically released out of base ratchet mechanism.