You are only as good as your glass.

[motydesign]

a great piece of glass is the Falcon Menance... great glass, have a Nightforce that i did a side by side comp and was VERY impressed. there is a 4-14X44mm that might suite you well
http://www.falconoptics.com/

 

[woodnut]

That is the beauty of an AR. Larue guarantees the PO to remain the same on their quick detach one piece mount. Daytime long range Prairie dogs, etc. slap on the big glass. If your going calling quick change out to an aimpoint or red dot.