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21 cm RK L/19. The 21 cm RK L/19 was the later name of a rifled breech loader gun of the Prussian Navy. This gun started with a massive gun barrel, cast from steel in one piece. In 1868 a built-up gun barrel version was tested in Prussia and found to be much more powerful. Many of the massive guns were then changed to built-up guns.
The RK 62 (from Finnish rynnäkkökivääri 62, 'assault rifle 62'), officially 7.62 RK 62 and commercially M62, is an assault rifle manufactured by Valmet and Sako. It is the standard issue infantry weapon of the Finnish Defence Forces. The RK 62 was designed in 1957–1962 by a Valmet engineer Lauri Oksanen [3] and is based on the Polish ...
The 26 cm RK L/20 was a gun from a family of Krupp naval artillery guns designed in the late 1860s. The gun resembled the 26 cm RK L/22, but was shorter, so it could be used in the central battery of certain ships. The gun came in an early variant with a 260 mm caliber. Later, these guns were adapted to 263 mm caliber.
Muzzle velocity. 446 m/s. [ 4] Effective firing range. 6,000 m (20,000 ft) at 14.10° elevation [ 5] The 21 cm RK L/22 was a 21 cm caliber Krupp gun that was purposefully designed to use a combination of prismatic gunpowder, a built-up gun barrel, and the Krupp cylindroprismatic sliding breech with broadwell ring.
The Krupp guns used prismatic gun powder, the British gun used Pebble-powder. The Krupp 17 cm gun fired with a charge of 11.8 kg, the British 7-inch with 13.6 kg. The results showed that the Krupp 17 cm clearly outclassed the British 7-inch gun. [26] In Japan, the ironclad Fusō had four 24 cm guns and two 17 cm RK L/25, used as chase guns. [27]
AR platform-based replacement for the RK series of rifles. 7.62 RK 62 7.62 RK 62 TP 7.62 RK 62 76 7.62 RK 62 76 TP 7.62 RK 62 M1 7.62 RK 62 M2 7.62 RK 62 M3 Finland: Assault rifle: 350,000: Standard issue assault rifle. [Top] RK 62 with later version pistol grip and handguard. [Middle upper] RK 62 76 with an older stamped steel magazine.
The below table gives a list of firearms that can fire the 7.62×39mm cartridge, first developed and used by the Soviet Union in the late 1940s. [1] The cartridge is widely used due to the worldwide proliferation of Russian SKS and AK-47 pattern rifles, as well as RPD and RPK light machine guns.
The guns are available in 12, 20, 28 and 32 gauges, and .410 bore.[1] At present, it is not commercially available, only parts are available on request. MTs255-12 (МЦ255-12) – police version (for ammunition 12/70 and 12/76), designed for law enforcement and security agencies, is distinguished by accessories made of black plastic, folding ...