Comments by "Dennis Young" (@dennisyoung4631) on "Vickers Mk IV .50 Caliber Water-Cooled Tank Gun" video.

  1. @UCSb3OcVjvksszDIszkhTgHQ gunmetal, perhaps - 88% Cu, 8% Sn, 4% Zn? (British Recipe, though I would have added 1% Pb. Easier to cast and machine.)
    3