Magnum Research Magnum Lite rifles are an affordable shooting experience, offering the ultimate in performance and accuracy. Magnum Lite receivers are CNC-machined from a 6061-T6 aircraft aluminum forging and include an integral Weaver-type rail for optics. The bolts are manufactured and machined from heat treated 4140 steel with tight bolt face depth tolerances for better accuracy. Graphite barrel. Barracuda Forest Camo Stock.