Heres my 18" i built my self Its a Dpms lower with a Chip McCormick trigger the upper is a Les Bher without the foward assist and brass deflector the barrel is a Hart service rifle contour, a JT aluminum free float tube and a JP Cooley comp.the scope in this pic is a 3 to 9 X40 Leupold but i put a 4 to 16 x 44 Shepared on it to day It will shoot 1/2" with a decent load. I also have a 16" Hbar but i couldent find a pic of it.