5.7x40mm AVA: Difference between revisions
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| bwunit = g | | bwunit = g | ||
| bw1 = 57 | | bw1 = 57 | ||
| btype1 = Balle A | | btype1 = Balle A FMJ | ||
| vel1 = 2900 | | vel1 = 2900 | ||
| en1 = 1065 | | en1 = 1065 | ||
| bw2 = 60 | | bw2 = 60 | ||
| btype2 = Balle B | | btype2 = Balle B AP | ||
| vel2 = 2750 | | vel2 = 2750 | ||
| en2 = 1008 | | en2 = 1008 |
Revision as of 12:48, 16 January 2021
5.7x40mm EC | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Type | Rifle | |||||||||||
Place of origin | Entente Cordiale | |||||||||||
Service history | ||||||||||||
In service | 1978–present | |||||||||||
Used by | Sieuxerr Sylva New Tyran EC | |||||||||||
Wars | Various | |||||||||||
Production history | ||||||||||||
Designer | Saint-Étienne Arms Manufacturer | |||||||||||
Designed | 1977 | |||||||||||
Manufacturer | MAS Manurhin Various other plants | |||||||||||
Specifications | ||||||||||||
Case type | Rimless | |||||||||||
Bullet diameter | 5.7 millimetres (0.22 in) | |||||||||||
Neck diameter | 6.5 millimetres (0.26 in) | |||||||||||
Shoulder diameter | 8.3 millimetres (0.33 in) | |||||||||||
Base diameter | 9 millimetres (0.35 in) | |||||||||||
Rim diameter | 9 millimetres (0.35 in) | |||||||||||
Rim thickness | 1.5 millimetres (0.059 in) | |||||||||||
Case length | 40 millimetres (1.6 in) | |||||||||||
Overall length | 56.4 millimetres (2.22 in) | |||||||||||
Rifling twist | 1:12 | |||||||||||
Primer type | Small rifle | |||||||||||
Ballistic performance | ||||||||||||
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Test barrel length: 500 millimetres (20 in) Source(s): Arsenal Munitions Test Range |
The 5.7x40mm EC is a rimless, bottlenecked, center-fired intermediate cartridge family. Designed in the mid-1970s, the 5.7mm EC and 7x51mm EC cartridges and their weapons would become standardized across the Entente and Entente-aligned nations by the 1980s.