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A rifle grenade is a grenade that uses a rifle-based launcher to permit a longer effective range than would be possible if the grenade were thrown by hand.
To fire the grenade, firstly a special blank cartridge is loaded into the weapon. There is often some sort of cutoff device on gas operated rifles that can be engaged to disable the gas piston, both to eliminate the possibility of a live round chambering itself, and to prevent any of the gas being tapped off, which might affect the accuracy and range of the grenade.
The M7 grenade launcher, formally rifle grenade launcher, M7, was a 22 mm rifle grenade launcher attachment for the M1 Garand rifle that saw widespread use throughout World War II and the Korean War. The M7 was a tube-shaped device, with one end slotting over the muzzle of the rifle and attaching to the bayonet mount, and the other end holding ...
A marine preparing to fire an M31 from an M1 rifle An M31 HEAT rifle grenade fitted to an M14 rifle. The M31 HEAT is a fin-stabilized anti-tank rifle grenade designed in the late 1950s to replace the Belgian ENERGA rifle grenade which was adopted by the US Army and US Marines as an emergency stop-gap measure during the Korean War.
When the rifle is fired the flash from the blank cartridge enters a hole in the base of the grenade which starts both a friction igniter and a time fuze. The grenade will then detonate on contact by the impact fuze, detonate after 4.5 seconds by the friction igniter or detonate after another 6.5 seconds by a time fuze for a total of 11 seconds.
The LG5/QLU-11 is designed for long-range use and so has been described as a "sniper" grenade launcher. [ 6 ] Befitting that designation, it is said to have a very high accuracy of 3-round R100 accuracy of 1 m (3.3 ft) at 600 m (2,000 ft) range, meaning that with proper aiming the weapon can put three successive high-explosive rounds into a ...
Since shaped charge weapons rely on chemical energy to penetrate enemy armor the low velocity of the grenade did not adversely affect penetration. The Grosse Panzergranate 46 could penetrate 90 mm (3.54 in) while the Grosse Panzergranate 61 could penetrate 130 mm (5 in) of rolled homogeneous armor .
Twin M2HB machine gun during a pre-action calibration fire (PACFIRE) exercise in May 2005 Because the M2 was designed to operate in many configurations, it can be adapted to feed from the left or right side of the weapon by exchanging the belt-holding pawls, and the front and rear cartridge stops (three-piece set to include link stripper), then ...