7.62×45mm
7.62×45mm vz. 52 | ||||||||
---|---|---|---|---|---|---|---|---|
Type | Rifle | |||||||
Place of origin | Czechoslovakia | |||||||
Service history | ||||||||
In service | 1952–1957 | |||||||
Used by | Czechoslovakia | |||||||
Production history | ||||||||
Designer | Alois Farlík | |||||||
Designed | 1940s [1] | |||||||
Produced | 1952 | |||||||
Specifications | ||||||||
Case type | Rimless, bottleneck | |||||||
Bullet diameter | 7.83 mm (0.308 in) | |||||||
Neck diameter | 8.66 mm (0.341 in) | |||||||
Shoulder diameter | 10.56 mm (0.416 in) | |||||||
Base diameter | 11.30 mm (0.445 in) | |||||||
Rim diameter | 11.30 mm (0.445 in) | |||||||
Rim thickness | 1.50 mm (0.059 in) | |||||||
Case length | 45.00 mm (1.772 in) | |||||||
Overall length | 60.00 mm (2.362 in) | |||||||
Case capacity | 2.79 cm3 (43.1 gr H2O) | |||||||
Rifling twist | 280 mm (1 in 11.03 in) | |||||||
Primer type | Berdan rifle or Large rifle | |||||||
Maximum pressure (C.I.P.) | 430.00 MPa (62,366 psi) | |||||||
Ballistic performance | ||||||||
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Test barrel length: 520 mm (20.472 in) |
The 7.62×45mm (designated as the 7,62 × 45 by the
Cartridge dimensions
The 7.62×45mm has 2.79
7.62×45mm maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm).
Americans would define the shoulder angle at alpha/2 ≈ 24.9 degrees. The common
According to the official
Non-official dimensions
There are definite differences in reported dimensions from non-official sources for this cartridge. Some of this may be accounted for by small errors in conversion from metric to inches, while others such as loaded length may additionally be attributed to different lengths of bullets being measured in loaded rounds. A sample list of various measurements is in the table below.
Source | Case length | Overall (loaded) length | Bullet weight | Loaded weight |
---|---|---|---|---|
Cartridges of the World [1] | 44.958 mm (1.77 in) | 59.94 mm (2.36 in) | - | - |
Cartridge Corner [3] | 44.958 mm (1.77 in) | 57.40 mm (2.26 in) | - | - |
Handloader's Manual of Cartridge Conversions [4] | 44.80 mm (1.764 in) | 62.23 mm (2.45 in) | - | - |
40 let konstruktérem zbraní 1946–1986 [5] | 45 mm (1.772 in) | 60 mm (2.362 in) | 8.5 g (0.30 oz) | 18.9 g (0.67 oz) |
Československé automatické zbraně a jejich tvůrci [6] | 44.9 mm (1.768 in) | 60 mm (2.362 in) | 8.5 g (0.30 oz) | 18.9 g (0.67 oz) |
Dimensionally similar
The 7.62x45mm cartridge is approximately of the same overall length as the 5.56 NATO and .223 cartridges common in the United States, and will "fit" into AR pattern magazines designed for the
Reloading
The
Wildcats
The 7.62×45mm case is also used as the parent case for a modified variant that is not officially registered with or sanctioned by the
Gallery
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7.62×45mm brass case cartridge (left) and 7.62×45mm steel case cartridge (right).
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7.62×45mm cartridge (left) and 7.62×39mm cartridge (right).
See also
References
- ^ ISBN 0-89689-297-2.
- ^ a b C.I.P. TDCC datasheet 7,62 x 45
- ^ CartridgeCorner.com
- ISBN 978-0-88317-269-8.
- ISBN 80-238-3397-9.
- ISBN 80-206-0567-3.
- ^ C.I.P. TDCC datasheet 6.5 Grendel
- ^ a b C.I.P. TDCC datasheet 7,62 x 45
- ^ https://bobp.cip-bobp.org/uploads/tdcc/tab-i/tabical-en-page120.pdf
- ^ 7x46mm UIAC (Universal Intermediate Assault Cartridge)
- ^ Major Thomas P. Ehrhart Increasing Small Arms Lethality in Afghanistan: Taking Back the Infantry Half-Kilometer. US Army. 2009