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A larger cartridge produces more recoil and makes it harder to control in fully automatic fire. To mitigate the excessive recoil, Heckler & Koch designed the UMP to have a cyclic rate of around 600 rounds per minute, though the rate of fire increases up to 700 rounds per minute if ammunition is used. [3] [11]
Rate of fire may also be affected by ergonomic factors. For rifles, ease-of-use features such as the design of the bolt or magazine release can affect the rate of fire. For artillery pieces, a gun on a towed mount can usually achieve a higher rate of fire than the same weapon mounted within the cramped confines of a tank or self-propelled gun ...
The adverse setting increases the cyclic rate of fire from 700–850 rounds per minute to 950–1,150 rounds per minute and is used only in extreme environmental conditions or when heavy fouling is present in the weapon's gas tube.
Many of the alterations found in the Fabryka Broni Radom P99 RAD variant were also applied in the Walther P99Q pistol. The P99Q is a designated police pistol, which has been certified according to the Technical Specifications (TR) of the German Police (Technische Richtlinie Pistolen im Kaliber 9mm x 19, Revision January 2008). [20]
It has a cyclic rate of fire of 850 rounds per minute (RPM). [6] [7] The MPX is also available with different barrel lengths, ranging from 114 to 406mm (4.5- to 16-inch). [8] The MPX submachine gun is only available for military and law enforcement use, while a semi-automatic only version is also available for the civilian market.
In April 2017, Raytheon tested a new electric gun for the Phalanx allowing the system to fire at varying rates to conserve ammunition. The new design replaces the pneumatic motor, compressor, and storage tanks, reducing system weight by 180 lb (82 kg) while increasing reliability and reducing operating costs.
Ball powders are generally formulated as slow pistol powders, or fast rifle powders. Flake powders are in the form of flat, round flakes which have a relatively high surface-area-to-volume ratio. Flake powders have a nearly constant rate of burn, and are usually formulated as fast pistol or shotgun powders. The last common shape is an extruded ...
The Desert Eagle or "Deagle" [4] is a single-action, gas-operated, semi-automatic pistol capable of chambering the .50 Action Express, the largest centerfire cartridge of any magazine-fed, self-loading pistol and famous for other large caliber chamberings. Magnum Research Inc. (MRI) designed and developed the Desert Eagle.