Is there any one out there trying to mirror the mag and cheek piece using 3d printing for left handed shooters friend bought a M3 he can shoot either hand but prefers left hand and was wondering if there is anyone out there trying this for left handers I understand the metal holder would also have to be changed but think we can figure that part out I'm sure we can fab something up to work for the metal piece just need help with mag and cheek piece any ideas are greatly appreciated thanks