Theres probably lots of you gun hobbyist/hunters out there that have built your own AR’s. Not all of us have done this. Johnny Muller, of Kansas City, built an AR-10, by piecing together components and a little instruction from his military buddy. To start, he got a builder kit from Aero Precision to use as a base and then pieced together his custom rifle using his favorite parts. This included Magpul furniture, a Geissele trigger and a VG6 7.62 muzzle brake. For optics, Muller chose the Nikon M-308 with BDA reticle and 20-MOA mount because he was impressed by how...