4.38×30mm Libra: Difference between revisions

4.38×30mm Libra
4.38×30mm Libra
Type	Personal defence weapon; Pistol
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	4.40 mm (0.173 in)
Land 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)
Maximum pressure	430 MPa (62,000 psi)
Ballistic performance
	Source(s): Small Arms Defense Journal

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Latest revision as of 15:07, 25 October 2023

The 4.38×30mm Libra (.17 Libra) is a centerfire cartridge designed for use in personal defense weapons.

Description

It was designed and has been manufactured by ČZW for use in their ČZW-438 PDW.^[2]

The cartridge is based on a .22 Hornet cartridge converted to a rimless design and necked down to .17 calibre.^[3]

Variants

.17 Libra [4.38×30mm]: A rimless varmint-hunting and sport-shooting cartridge
.17 Rimmed Libra [4.38×30mmR]: A rimmed varmint-hunting and sport-shooting cartridge for use with break-open actions
.17 Libra Magnum [unknown]: A longer, more powerful 4.38mm rimless round for use in pistols or personal defense weapons^{[citation needed]}

References

^ ^a ^b "17 Libra" (PDF). C.I.P. TDCC. Archived from the original (PDF) on 18 November 2020. Retrieved 18 July 2013.
^ Czech Weapons Product Page http://www.czechweapons.com/en/czw-438/
^ ".17 Libra". municion.org. Munición. Retrieved 18 July 2013.

This ammunition-related article is a stub. You can help Wikipedia by expanding it.

[cip-1] "17 Libra" (PDF). C.I.P. TDCC. Archived from the original (PDF) on 18 November 2020. Retrieved 18 July 2013.

[2] Czech Weapons Product Page http://www.czechweapons.com/en/czw-438/

[3] ".17 Libra". municion.org. Munición. Retrieved 18 July 2013.

[1]

[2]

[3]

@@ Line 1: / Line 1: @@
+{{Short description|Cartridge for personal defence weapons}}
+{{Notability|Product|date=June 2022}}
 {{infobox firearm cartridge
 |name= 4.38×30mm Libra
@@ Line 4: / Line 6: @@
 |caption=
 |origin= [[Czech Republic]]
-|type= Personal defence weapon
+|type= Personal defence weapon<br />Pistol
 <!-- Service history -->
 |service=
@@ Line 20: / Line 22: @@
 |parent=[[.22 Hornet]]
 |case_type=Rimless, bottlenecked
-|bullet=4.28
+|bullet=4.40
+|land=4.28
 |neck=4.90
 |shoulder=6.88
@@ Line 28: / Line 31: @@
 |case_length=30.10
 |length=41.00
-|length_ref=<ref name="cip">{{cite web|title=17 Libra|url=http://www.cip-bobp.org/homologation/uploads/tdcc/tab-i/tabical-en-page76.pdf|work=C.I.P. TDCC|accessdate=18 July 2013}}</ref>
+|length_ref=<ref name="cip">{{cite web|title=17 Libra|url=http://www.cip-bobp.org/homologation/uploads/tdcc/tab-i/tabical-en-page76.pdf|work=C.I.P. TDCC|access-date=18 July 2013|archive-url=https://web.archive.org/web/20201118200158/http://www.cip-bobp.org/homologation/uploads/tdcc/tab-i/tabical-en-page76.pdf|archive-date=18 November 2020}}</ref>
 |case_capacity=
 |rifling=
 |primer=
 |max_pressure=430
-|max_pressure_ref=CIP
+|max_pressure_ref=<ref name="cip" />
 |max_cup=
 |filling=
@@ Line 66: / Line 69: @@
 }}
 The '''4.38×30mm Libra''' (.17 Libra) is a [[centerfire]] [[Cartridge (firearms)|cartridge]] designed for use in [[personal defense weapon]]s.
 ==Description==
-It was designed and has been manufactured by [[ČZW]] for use in their ČZW-438.<ref>Czech Weapons Product Page http://www.czechweapons.com/en/czw-438/</ref>
+It was designed and has been manufactured by [[ČZW]] for use in their [[ČZW-438]] [[Personal Defense Weapon|PDW]].<ref>Czech Weapons Product Page http://www.czechweapons.com/en/czw-438/</ref>
-The cartridge is based on a [[.22 Hornet]] cartridge converted to a rimless design and necked down to .17 calibre.<ref>{{cite web|title=.17 Libra|url=http://www.municion.org/17libra/17libra.htm|work=municion.org|publisher=Munición|accessdate=18 July 2013}}</ref>  The .17 Libra has been standardized by C.I.P. to a pressure of 4300 bar.<ref name="cip"/>
+The cartridge is based on a [[.22 Hornet]] cartridge converted to a rimless design and necked down to .17 calibre.<ref>{{cite web|title=.17 Libra|url=http://www.municion.org/17libra/17libra.htm|work=municion.org|publisher=Munición|access-date=18 July 2013}}</ref>
 ===Variants===
-* '''.17 Libra [4.38×30mm]''': A rimless varmint hunting and sport-shooting cartridge.
+* ''.17 Libra [4.38×30mm]'': A rimless varmint-hunting and sport-shooting cartridge
-* '''.17 Rimmed Libra [4.38×30mmR]''': A rimmed varmint-hunting and sport-shooting cartridge for use with break-open actions.
+* ''.17 Rimmed Libra [4.38×30mmR]'': A rimmed varmint-hunting and sport-shooting cartridge for use with break-open actions
-* '''.17 Libra Magnum [4.38×??mm]''': A longer, more powerful rimless round for use in pistols or Personal Defense Weapons.
+* ''.17 Libra Magnum [unknown]'': A longer, more powerful 4.38mm rimless round for use in pistols or personal defense weapons{{citation needed|date=August 2022}}
 ==See also==
 *[[4 mm caliber]]
+*[[.17 Hornet]]
 ==References==
@@ Line 86: / Line 90: @@
 {{4mmcaliber}}
 {{Personal defense weapons}}
 {{DEFAULTSORT:4.38x30mm Libra}}
 [[Category:Pistol and rifle cartridges]]
-[[Category:Military cartridges]]

v t e Modern personal defense weapons (PDWs) and cartridges
Personal defense weapons	AO-46 AAC Honey Badger AKS-74U Brügger & Thomet MP9 Bushmaster Arm Pistol CF-05 ČZW-438 Floro PDW FN P90 FN SCAR PDW & FN SCAR SC GA Personal Defense Weapon GAU-5A Aircrew Self Defense Weapon Gepard (submachine gun) Heckler & Koch G11 PDW Heckler & Koch MP5K-PDW Heckler & Koch MP7 Interdynamics MKR Knight's Armament Company PDW Magpul PDR MARS Interdynamics MKS Joint Venture Protective Carbine PP-19 Vityaz PP-2000 PP-90M1 QCW-05 Saab Bofors Dynamics CBJ-MS SR-2 Veresk ST Kinetics CPW SIG MCX Rattler
PDW-caliber pistols	FN Five-seven FK BRNO Field Pistol, PSD GSh-18 Heckler & Koch UCP Kel-Tec P50 MP-443 M&P 5.7 Pindad PS-01 PSA 5.7 Rock QSW-06 QSZ-92 QSZ-11 Ruger-57 SR-1 Vektor
PDW cartridges	4.38×30mm Libra 4.5×26mm MKR HK 4.6×30mm 5.56×21mm PINDAD 5.56×30mm MINSAS .224 Boz FN 5.7×28mm 5.8×21mm DAP92 6.5×25 CBJ-MS 7.5 FK 9×19 mm 7N31 9×21mm Gyurza 9×39mm