With all the developments in airsoft right now, one thing seems to have been neglected in terms of putting more realism in airsoft. Muzzle flash is rarely used in airsoft guns, but now a company in Dorset have released their own innovation. Incentive Designs have the Venom Muzzle Flash Generator (MFG) which you can use on your airsoft gun to have the muzzle flash effect. Video below and there are more airsoft projects from this company that they will release soon.