6.5×50mmSR Arisaka
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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
6.5×50mmSR Arisaka (center) with .303 British (left) and .30-06 (right)
Japanese military 6.5×50mmSR Arisaka round (Type 38).
Original Japanese military Type 38 cartridge specification sheet.
.303 British
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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
6.5×50mmSR Arisaka
…The 6.5 mm Japanese round was later criticized as being under-powered in comparison to other contemporary military cartridges such as the .30-06, .303 British, 7.92×57mm Mauser, and 7.62×54mmR. For this reason, it was gradually replaced by the more powerful 7.7×58 mm cartridge in 1938. Both cartridges were…
.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