6.5×54mm Mannlicher–Schönauer
Austro–Hungarian rifle cartridge / From Wikipedia, the free encyclopedia
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The 6.5×54mm Mannlicher–Schönauer also known as 6.5×54 Mannlicher–Schönauer Greek or simply 6.5 Greek is a 6.5 mm (.264" cal.) rimless rifle cartridge used in the Mannlicher–Schönauer rifle. It is the direct descendant of the 6.5×53mmR rimmed cartridge from the 1891 Mannlicher rifle, designed to function smoothly through the Schönauer's rotary magazine. 6.5 mm bullets are typically known for their high ballistic coefficients and sectional density, which gives them great stability in flight, resistance to wind deflection, and high penetrating power. It, along with the Mannlicher–Schönauer rifle, was first introduced in Paris at the 1900 World's Fair.[2]
6.5×54mm Mannlicher–Schönauer | ||||||||||||||||||||
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Type | Rifle | |||||||||||||||||||
Place of origin | Austria-Hungary | |||||||||||||||||||
Specifications | ||||||||||||||||||||
Parent case | 6.5×53mmR | |||||||||||||||||||
Case type | Rimless, bottleneck | |||||||||||||||||||
Bullet diameter | .264 in (6.7 mm) | |||||||||||||||||||
Land diameter | .255 in (6.5 mm) | |||||||||||||||||||
Neck diameter | .295 in (7.5 mm) | |||||||||||||||||||
Shoulder diameter | .428 in (10.9 mm) | |||||||||||||||||||
Base diameter | .452 in (11.5 mm) | |||||||||||||||||||
Rim diameter | .454 in (11.5 mm) | |||||||||||||||||||
Case length | 2.11 in (54 mm) | |||||||||||||||||||
Overall length | 3.00 in (76 mm) | |||||||||||||||||||
Case capacity | 44.5 gr H2O (2.88 cm3) | |||||||||||||||||||
Rifling twist | 1 in 9" | |||||||||||||||||||
Primer type | Large Rifle | |||||||||||||||||||
Maximum pressure (C.I.P.) | 365.0 MPa (52,939 psi) [1] | |||||||||||||||||||
Ballistic performance | ||||||||||||||||||||
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Test barrel length: 17.5 Source(s): Factory advertised velocity |