10.5" ar with pistol gas system

[Rellik]

Can any of yall give me some pros cons of a 10.5 inch ar upper chambered in 5.56 with a pistol length gas system?

 

[medcoxo]

View attachment 34109 Cant really give ya any pros or cons. Because i havent shot mine yet. But heres my AR pistol. 10.5" green mountain barrel, yhm rail, noveske recievers, sig brace.

Shoot it and post some results and thoughts. This is exactly what my plan is for 2015!!