edited to correct generalized statement:
AR serves your purposes (edit) as long as it meets minimum caliber or energy requiremnts for hunting
if you're looking to get a big bang for the buck,
Spikes 16" mid-length - $875
http://www.spikestactical.com/new/z/...ine-p-443.html
and...
Leupold Mark AR 1.5-4x with PEPR mount for hunting- $319
http://www.sportoptics.com/leupold-m...pe-67170C.aspx
or
Vortex SPARC Primary Arms red dot for less than $200 or an Aimpoint for less than $500
There you go. A high quality rifle for plinking, hunting, or self-defense. And, it didn't break your $1300 budget.