Maneuver cartridge device
The maneuver cartridge device (officially ManPatrGer for short , also simply MPG or ManPat in soldiers' jargon ), in Austria pop-cartridge device ( K-device for short ), is a rifle muzzle attachment for training missions, which is mainly used in the military area when using blank cartridges . Depending on the weapon, either the recoil booster (e.g. with the MG3 machine gun ) or the flash hider is replaced by the maneuver cartridge device (e.g. with the G3 and G36 assault rifles ) or screwed into the flash hider (e.g. with the Steyr AUG rifles and M16 ).
Basics
During maneuvers , the use of live ammunition for exercises in combat situations is excluded. For this reason, blank cartridges are used with a propellant charge but without a projectile . These blank cartridges are called "maneuver ammunition" in military parlance.
Use with gas pressure chargers
With gas pressure guns, the projectile of a regular cartridge temporarily closes the barrel forward when firing. This allows the gas pressure to build up, which on the one hand drives the bullet out of the barrel and on the other hand unlocks the breech to initiate reloading. Since the maneuvering ammunition has no projectile, the barrel is not locked and no gas pressure, which is necessary for proper function, can build up. The necessary sealing function is taken over by the adjustable throttling of the screwed-on maneuver cartridge device or, in the case of non-controllable MPGs, also by the control on the gas pressure regulator of the weapon.
Use with recoil loaders
In pure recoil loaders , blank cartridges lead to loading jams, since the recoil impulse of the projectile is missing for the movement of the barrel assembly. Due to the lack of a bullet, there is no "countermass" for the recoil. A simple maneuver cartridge device is available for recoil boosters; Since the recoil booster works on the principle of the gas pressure charger, the gas pressure of the propellant charge is sufficient to activate the charging function. In the case of recoil boosters that do not inherently have a recoil amplifier, a maneuver cartridge device has to simulate the function of a recoil amplifier, which leads to a more complex technical solution.
Throttling of the gas pressure
The throttling of the gas pressure output of many maneuver cartridge devices (e.g. for the G3 or G36) can be set with a tool. Correct function cannot always be assumed in maneuvering mode, as the necessary gas pressure adjustment (also depending on the rifle) is often omitted. The consequence can be cartridge jams during the ejection process due to insufficient gas pressure in the barrel and thus continuous fire failure when firing.
For safety reasons, a maneuvering cartridge device must also be able to intercept the projectile of a live cartridge that may mistakenly get under the maneuvering cartridges and to prevent a sharp shot from being unintentionally fired during the maneuver. Since most modern orderly weapons are fully automatic, a cartridge maneuvering device must even be able to catch and hold back several projectiles.
Web links
- Excerpt from Der Reibert , the manual for the German soldier, Part C, pp. 36–44
- Excerpt from the central guideline A2-2090 / 0-0-1 (formerly II-special-provisions-for-the-use-of-manover-ammunition ZDv 44/10 "shooting safety")
- Various maneuver cartridge devices from the Heckler & Koch company
Individual evidence
- ↑ Maneuver cartridge device on Google Patents
- ↑ Peter Dannecker: locking systems of firearms. dwj Verlags-GmbH, Blaufelden 2009, ISBN 978-3-936632-20-0 , pp. 468-469
- ↑ Peter Dannecker: locking systems of firearms. dwj Verlags-GmbH, Blaufelden 2009, ISBN 978-3-936632-20-0 , pp. 468-469
- ^ Edward Clinton Ezell, Thomas M. Pegg: Small Arms of the World , Issue 12, Barnes & Noble Verlag , 1993, ISBN 0880296011 , p. 190