Looking at Wilson Combat's 11.3 inch upper and/or barrel. Can't find the upper in stock anywhere. So, looking at the barrel only. The only review on the barrel is on Midway http://www.midwayusa.com/product/912728/wilson-combat-match-ar-15-pistol-barrel-300-aac-blackout-113-1-in-8-twist-stainless-steel?cm_vc=wishList and says that the barrel uses the shortest pistol length gas tube. I can't seem to find a pistol length gas tube, only carbine, medium and rifle length. What gives? Oh, and please excuse the newbie question.
