$420 shipped LCT AKSU with LCT Z series Zenitco parts. Externals: LCT PT-3 stock LCT B-18 optic rail LCT B-11 lower rail LCT B-12 upper rail LCT B-16 extended rail LCT RK-0 forward grip LCT DTK-4 suppressor Internals: Lambda 6.05 rhop barrel Lonex cylinder, cylinder head, nozzle, piston head. M130 Stock gears short stroked 3 teeth. AOE corrected. 395 fps with .20g. 5x MAG mid caps. 2 missing butt plates