The T95 hull was viewed as however its a single-piece entrance casting was as well hard and highly-priced to produce in quantity. Some present T95 hulls have been re-fitted Along with the AVDS-1790 engine and employed from 1960 to 1964 to create the T118E1 prototyping on the M728 Battle Engineer https://hoytmachineguns.com/product/heckler-koch-hk-53-5-56mm-machine-gun/