BL 60-pounder gun
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The Ordnance BL 60-pounder was a British 5 inch heavy field gun designed in 1903–05 to provide a new capability that had been partially met by the interim QF 4.7 inch Gun. It was designed for both horse draft and mechanical traction and served... Wikipedia
Barrel length: Bore Mk I: 13 ft 3 in (4.04 m); Bore Mk II: 15 ft 4 in (4.67 m)
Calibre: 5 inches (127 mm)
Carriage: Wheeled, box trail
Crew: 10
Elevation: -5° to +21.5° (Mk I); -4° to +35° (Mk. II)
Muzzle velocity: 2,080 ft/s (630 m/s) (Mk I); 2,130 ft/s (650 m/s) (MK II)
No. built: 1,756 (Mk. I)