The front entrance of US Ordnance.

Chief inspector doing quality control. He measures every product coming out of the factory. Those metals are the breach block for the 50 cal Machine Gun.

 main body of 50 cal machine gun

This is the magical little device enables Mk 43 barrels fire up to 1000 rounds without over heating.

a gun barrel making machine

Barrels of Mk 43 Machine guns

Packaged MK43 Machine gun ready to ship out.

front end of the 50 cal Machine gun.

inside of US Ordnance factory.

Main body of 50 cal Machine gun

 half process 50 cal body

half process MK43 Machine gun barrel