Here is an AR15 with upgrades included.  ALG Defense Trigger and Hogue Grip and Adjustable buttstock.  This is a quality AR at a great price.
 
North Star NS15 Specs
	
Caliber: 5.56mm
	
Barrel Length: 16 inches
	
Barrel Type: Mid-Length, HBAR, 4150 chome moly vandium steel
	
Finish: QPQ corrosion resistant
	
Furniture: Hogue 15 polymer grip, over-molded collapsible six-position buttstock
	
Overall Length: 36 inches (extended), 33 inches (collapsed)
	
Lower: 4150 chrome moly vandium steel
	
Trigger: ALG Defense
	
Twist: 1:7
	
Upper: 4150 chrome moly vandium steel
	
Overall Weight: 6.5 pounds