NonEx, you might want to put a Maple Leaf hop in there. Mine has the 70 degree one I think, and oh god, does it raep. Combined with a properly zeroed magnified optic (mine was an Acog) and some .36 bbs, it can consistently get headshots, near-ish, probably around 100 feet (I suck at judging distances) with the stock inner barrel. I swear, this thing is a laser.