Elite force mp5 Retro arms gearbox Siegetek cyclone balanced revolution 8t 20.15 Warhead industries brushless high speed motor Titan v2 advanced Asg ultimate tappet plate Maxx cylinder head Maxx piston head Shs cylinder Retro arms piston ARhopped Magpul handguard Magpul ms1 sling w/ HK clip Trijocon mro (repro) Surefire (repro) muzzle device(w/tracer) Riser mount A fully professionally built dsg beast. This is a top of the line mp5 and is a dream to shoot. 2 months old and only used in the backyard. A true gem.