4.38×30mm Libra
4.38×30mm Libra | ||||||||
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Type | Personal defence weapon | |||||||
Place of origin | Czech Republic | |||||||
Production history | ||||||||
Designer | Vlastimil Libra | |||||||
Designed | 2002 | |||||||
Manufacturer | Czech Weapons (ČZW) | |||||||
Specifications | ||||||||
Parent case | .22 Hornet | |||||||
Case type | Rimless, bottlenecked | |||||||
Bullet diameter | 4.28 mm (0.169 in) | |||||||
Neck diameter | 4.90 mm (0.193 in) | |||||||
Shoulder diameter | 6.88 mm (0.271 in) | |||||||
Base diameter | 7.56 mm (0.298 in) | |||||||
Rim diameter | 7.65 mm (0.301 in) | |||||||
Rim thickness | 1.24 mm (0.049 in) | |||||||
Case length | 30.10 mm (1.185 in) | |||||||
Overall length | 41.00 mm (1.614 in)[1] | |||||||
Maximum pressure | 430 MPa (62,000 psi)CIP | |||||||
Ballistic performance | ||||||||
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Source(s): Small Arms Defense Journal |
The 4.38×30mm Libra (.17 Libra) is a centerfire cartridge designed for use in personal defense weapons. It was designed and has been manufactured by ČZW for use in their ČZW-438.[2]
The cartridge is based on a .22 Hornet cartridge converted to a rimless design and necked down to .17 calibre.[3] The .17 Libra has been standardized by C.I.P. to a pressure of 4300 bar.[1]
See also
References
- 1 2 "17 Libra" (PDF). C.I.P. TDCC. Retrieved 18 July 2013.
- ↑ http://www.czechweapons.com/en/products/military-weapons/personal-defense-weapon-pdw-czw-438/
- ↑ ".17 Libra". municion.org. Munición. Retrieved 18 July 2013.
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