It takes a lot of trial and error.
But it is coming along nicely.
Few more animations to do and solve the lack of muzzle flash and fire damage to objects.
But one step at a time.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.