The.303 British or 7.7×56mmR, is a.303-inch calibre rimmed tapered bottleneck centerfire rifle cartridge. The.303-inch bore diameter is measured between rifling lands as is the common practice in Euro
Left to right: .303 British, 6.5×50mmSR Arisaka and .30-06 Springfield ballistic tip ammunition
.303 British maximum C.I.P. cartridge dimensions. All sizes in millimetres (mm).
Longitudinal section of Mk VI ammunition 1904, showing the round nose bullet
Longitudinal section of Mk VII ammunition circa 1915, showing the "tail heavy" design
The 6.5×50mmSR Arisaka is a semi-rimmed rifle cartridge with a 6.705 mm diameter bullet. It was the standard Japanese military cartridge from 1897 until the late 1930s for service rifles and machine g
.303 British
…303 British Left to right: .303 British, 6.5×50mmSR Arisaka and .30-06 Springfield ballistic tip ammunition Type Rifle Place of origin United Kingdom Service history In service 1889–present Used by United Kingdom…
Japanese military 6.5×50mmSR Arisaka round (Type 38).
Original Japanese military Type 38 cartridge specification sheet.