The United States responded by starting off advancement of the XM60 tank in September 1957.[eighteen] This new tank structure integrated several Army Combat Auto (ARCOVE) committee enhancements on the M48A2, mainly the usage of diesel engines to extend its operational range and the usage of a far more powerful principal https://hoytmachineguns.com/product/new-in-box-factory-colt-m16a2-model-r0977-m4-carbine-safe-semi-auto/