A U.S. airman firing an M60 in the standing place through the Defender Problem Competitiveness in 1988. The M60 might be correctly fired at limited ranges in the shoulder because of its layout. It had been initially referred into the M60-2000 System and design work started in late 1999 https://hoytmachineguns.com/product/sterling-mk4-9mm-smg-sub-machine-gun-for-sale/