What is a good Green Laser for a P226 and what is a good light. Prefer a laser and light that can be activated at the grip instead of turning on and off at the unit itself (if that is possible).

Take a look at Surefire, Streamlight, and Crimson Trace:

http://www.surefire.com/illumi...led-weaponlight.html

https://www.streamlight.com/en...ail/index/tlr-2-hl-g

https://www.crimsontrace.com/01-4200