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The .458 SOCOM (11.63×40mmRB) is a moderately large round designed to work in an AR-15 platform.This is achieved by installing a 458 bolt and barrel. The 300-grain (19 g) round offers a supersonic muzzle velocity of 1,900 ft/s (580 m/s) and 2,405 ft⋅lbf (3,261 J), [1] similar to a light .45-70 but with a much smaller case.
The RML 10-inch guns Mk I – Mk II were large rifled muzzle-loading guns designed for British battleships and monitors in the 1860s to 1880s. They were also fitted to the Bouncer [4] and Ant-class flat-iron gunboats. They were also used for fixed coastal defences around the United Kingdom and around the British Empire until the early years of ...
The barrels and flash suppressor were replaced with the longer 14.5-inch (370 mm) barrel with a 1-in-12 twist, but the weapons retained their original designations. With the change to M855 cartridges, they either received 1-in-7 twist barrel or complete upper receiver assembly replacements.
The Close Quarter Battle Receiver (CQBR) [5] is a replacement upper receiver for the M4A1 carbine developed by the US Navy.. The CQBR features a 10.3 in (262 mm) length barrel (similar to the Colt Commando short-barreled M16 variants of the past) which makes the weapon significantly more compact, thus making it easier to use in, and around, vehicles and in tight, confined spaces.
Weighs 3.1 kg (6.8 lb), has a 7.5 in (190 mm) inch barrel, an overall length of 25.7 in (650 mm) and a length of 21.1 in (540 mm) collapsed and has a pistol grip with no finger rest. It has a lower effective range of 200 m (220 yd). It became available in mid-2018. [47] [48] SCAR-H (FN MK 17 Mod 0) – 7.62×51mm NATO battle rifle
The .450 Bushmaster is descended from the Thumper concept popularized by the gun writer Jeff Cooper.Cooper was dissatisfied with the small-diameter 5.56×45mm NATO (.223 Remington) of the AR-15, and envisioned a need for a large bore (.44 cal or greater) cartridge in a semi-automatic rifle to provide one-shot kills on big-game animals at 250 yards.
The 10.5 cm SK C/32 was a built-up gun, 45 calibers long, with a jacket and breech that weighed about 1.8 tons. The gun fired 10.5 centimeters (4.1 in) fixed ammunition, which was 1.51 m (5.0 ft) long, weighed 24.2 kg (53 lb) and had a 4.08-kilogram (9.0 lb) propellant charge.
The model has also been offered throughout the years with both the round butt and square butt grip patterns. Beginning with the Model 10–5 series in the late 1960s, the tapered barrel and its trademark 'half moon' front sight (as shown in the illustrations on this page) were replaced by a straight bull barrel and a sloped milled ramp front sight.