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The Littlejohn adaptor/APCNR combination gave the 2 pounder a similar effect as the armour-piercing discarding sabot round used with the much larger and heavier QF 6 pounder gun. The muzzle velocity of the APSV Mark II shell was 1,143 m/s compared with the 792 m/s of the normal 1.2 kg APCBC shell.
A muzzle brake or recoil compensator is a device connected to, or a feature integral (ported barrel) to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted muzzle rise. [1] Barrels with an integral muzzle brake are often said to be ported.
U.S. Army soldiers in UCP ACUs training with their M4 carbines fitted with bright yellow blank-firing adapters.. A blank-firing adapter or blank-firing attachment (BFA), [1] sometimes called a blank adapter or blank attachment, is a device used in conjunction with blank ammunition for safety reasons, functional reasons or a combination of them both.
CPVC sprinkler pipe inside a firestop mock-up. Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling.
Thus, early versions of the lMG 08 deleted the muzzle booster, although later versions of the lMG 08, and its replacement, the lightened-receiver LMG 08/15 model which reduced the cooling barrel's diameter to just 92.5 mm, changed to a less-heavily perforated barrel shroud which could handle a muzzle booster, as it was realized that with the ...
Remington developed the M24A3 SWS, a variant of the M24 chambered for the .338 Lapua Magnum round (8.58×70mm) and feeding from a 5-round detachable box magazine. [10] It comes tapped for the Leupold Mk 4 M1LR/T 8.5–25×50mm Variable Power day scope. It can also use detachable front and rear Back-Up Iron Sights in an emergency (BUIS units are ...
The propulsion system uses an obturating case base with a semi-combustible cartridge wall. It has a total weight of 41.1 lb (18.6 kg) and a 627 mm (24.7 in) DU penetrator with a 27 mm (1.1 in) rod diameter, [2] which reaches a muzzle velocity of 1,670 meters per second (5,500 ft/s) using 8.1 kg (18 lb) of JA-2 propellant. Its maximum effective ...
The 7.62×39mm (also called 7.62 Soviet, formerly .30 Russian Short) [5] round is a rimless bottlenecked intermediate cartridge of Soviet origin. The cartridge is widely used due to the global proliferation of the AK-47 rifle and related Kalashnikov-pattern rifles , the SKS semi-automatic rifle, and the RPD / RPK light machine guns.