Electronic fuel injection, that will never work
Radial tires, that will never work.
Electronic ignition, that will never work.
Automatic transmissions, that will never work.
Power brakes , power steering, electric windshield wipers, vacuum windshield wipers, all steel car bodies, all steel wheels, pneumatic tires, electric lights, electric starter, a car with a roof, that will never work.
A "plastic" gun with a ceramic barrel, that will never work.
A plastic gun with a steel barrel, a scandium frame revolver, a aluminum frame revolver, a titanium cylinder , a aluminum cylinder , a plastic grip peg / fire control, rubber grips , a cylinder that swings out , a top break revolver, a gun you load by inserting a brass device that holds the bullet / powder and prepackaged single use "flint".
The frame of a LCR 38 is aluminum with a stainless steel barrel insert, the cylinder is stainless steel. If this upper aluminum frame section ( with cylinder/ crane ) was clamped in a vice and a pin punch used to strike the primer, the gun would fire without any failures. Same goes for the new LCR 357 which uses a stainless steel frame and cylinder.
The polymer portion of the gun is limited to the fire control housing / grip peg. With the frame and FCH / GP fitting together so well, only 1 screw is really needed for the gun to work ( This also acts as a crane pivot ). The screw just below the rear sight is , according to a Ruger press release, is a bit of overengineering just to be sure.
The fire control housing contains the trigger , hammer , spring, transfer bar and the other various bits needed to rotate the cylinder and strike the primer. This lower section could be made from steel, but the machining cost would be large. Calling it a " plastic gun " ( the inference is that the whole thing is plastic ) isn't accurate.
I've had a LCR for nearly a year and it is just fine. The only issue I have is the grip needs to be longer front to rear. When I squeeze the trigger my hand makes the gun torque upwards slightly.