Hornady Handbook of Cartridge Reloading, Rifle-Pistol, Third Edition, Hornady Manufacturing Company, 1980, 1985, pp. Bores for many .303 military surplus rifles are often found ranging from around .309-inch (7.85 mm) up to .318-inch (8.08 mm). , The measurement .303-inch (7.70 mm) is the nominal size of the bore measured between the lands which follows the older black powder nomenclature. , Japan produced a number of machine guns that were direct copies of the British Lewis (Japanese Type 92 machine gun) and Vickers machine guns including the ammunition. All are live rounds, you must have a valid PAL. The Mark VII loading used a 174 gr (11.28 g) pointed bullet with a flat-base. 5.0 out of 5 stars. Morant was found guilty and was executed by a firing squad. Top Rated Seller Top Rated Seller. regulated countries are currently (2014) proof tested at 456.00 MPa (66,137 psi) PE piezo pressure. In addition to being pointed, the bullet was also much lighter in order to deliver a higher muzzle velocity. Military surplus .303 British ammunition that may be available often has corrosive primers, given the mass manufacture of the cartridge predates Commonwealth adoption of non-corrosive primers concurrent with the adoption of 7.62 NATO in 1955. Commercially produced ammunition is widely available in various full metal jacket bullet, soft point, hollow point, flat-based and boat tail designs—both spitzer and round-nosed. In any case other bullet weights are available, e.g. Note: standard Japanese ball ammunition was very similar to the British Mk 7 cartridge.  Unlike Cordite, Rifleite was a flake powder, and contained no nitroglycerine. These rounds were extensively developed over the years and saw several Mark numbers. VIEW DETAILS. It went on to be used aboard a plethora of warplanes concerning the British cause of World War 2. in British service, was a rapid-firing machine gun developed and manufactured for use in aircraft by Vickers-Armstrongs.The high rate of fire was needed for the small period of time when the gunner would be able to fire at an attacking aircraft. It was used during the conquering of Sudan, Nigeria, Tibet, Cyprus, West Africa, Iraq, Syria and Palestine. The remaining stocks (over 45 million rounds) were used for target practice. All sizes in millimeters (mm). The .303 British (designated as the 303 British by the C.I.P. The .303 British Mark VII cartridge was loaded with 37 gr (2.40 g) of Cordite MDT 5-2 (cordite MD pressed into tubes) and had a muzzle velocity of 2,440 ft/s (744 m/s) and a maximum range of approximately 3,000 yd (2,743 m). Note: The one American plane armed with the Browning .303, the SB2U2, has a unique gun with lower accuracy than the ones found on British planes.  Ballistite was a stick-type smokeless powder composed of soluble nitrocellulose and nitroglycerine. As a result, the chamber pressure was higher, at 40,000 to 42,000 psi (275.8 to 289.6 MPa), depending upon loading, compared to the 39,000 psi (268.9 MPa) of the Mark VII(z) round. The boat-tailed bullet design of Mk 8 ammunition is not in itself a problem. The British and American defence was that they should not focus on specific bullet designs, like hollow-points, but instead on rounds that caused "superfluous injury". The original .303 British service cartridge employed black powder as a propellant, and was adopted for the Lee–Metford rifle, which had rifling designed to lessen fouling from this propellant. The Canadian Department of National Defence has since replaced the previously issued Lee–Enfield No. Bullets specifically produced and sold for reloading .303 British are made by Sierra, Hornady, Speer, Woodleigh, Barnes, and Remington. This Chester County Armory listing is for an original British manufactured Bren MKI .303 British light machine gun, available as a Pre May Dealer Sample. Availability of ammunition: 303 ammunition is not as readily available as other calibers in the United States. The design was based on the 1930 Pattern belt-fed Colt-Browning machine gun with a few minor modifications. The pronounced tapering exterior shape of the case was designed to promote reliable case feeding and extraction in bolt action rifles and machine guns alike, under challenging conditions. It was the world's first true light machine gun produced in quantity and Madsen was able to sell it in 12 calibres to over 34 countries. Buyer Tip: Seller assumes all responsibility for listing this item. The Browning .303 Mark II was the standard gun used on British aircraft during the 1930s and Second World War. In 1910, work began on a long-range replacement cartridge, which emerged in 1912 as the .276 Enfield. The increased shoulder angle and reduced case taper eliminate the drooping shoulders of the original .303 British case, which, combined with reaming the chamber to .303 Epps, improves case life. AmmoLand Gun News Apache Junction, AZ – - (Ammoland.com)- In 1888 the British decided that the 577/450 was obsolete and adopted a smaller … Description: The Bren gun was a series of light machine guns (LMG) made by Britain in the 1930s and used in various roles until 1992. The nitrocellulose versions—first introduced in World War I—were designated with a "z" postfix indicated after the type (e.g. , .303 British cartridges, along with the Lee–Enfield rifle, were heavily criticized after the Second Boer War. The common rifling twist rate for this cartridge is 254 mm (10.0 in) 10 in), 5 grooves, Ø lands = 7.70 millimetres (0.303 in), Ø grooves = 7.92 millimetres (0.312 in), land width = 2.12 millimetres (0.083 in) and the primer type is Berdan or Boxer (in large rifle size). Commercial ammunition for weapons chambered in .303 British is readily available, as the cartridge is still manufactured by major producers such as Remington, Federal, Winchester, Sellier & Bellot, Denel-PMP, Prvi Partizan and Wolf. , The Australian movie Breaker Morant (film) features a famous popular culture reference to the .303. The Vickers machine gun or Vickers gun is a name primarily used to refer to the water-cooled .303 British (7.7 mm) machine gun produced by Vickers Limited, originally for the British Army. The British also sought to replace the Lee–Enfield rifle with the Pattern 1913 Enfield rifle, based on the Mauser M98 bolt action design. The increasingly popular all-copper Barnes TSX is now available in the .311" diameter as a 150 gr projectile which is recommended by Barnes for hunting applications. .303 British (7.7×56mmR) is a.311 inch calibre rifle and machine gun cartridge first developed in Britain as a blackpowder round put into service in December 1888 for the Lee-Metford rifle, later adapted to use cordite and then smokeless powder propellant. cartridge dimensions. Although the bullet was stable in flight due to the gyroscopic forces imposed on it by the rifling of the barrel, it behaved very differently upon hitting the target. The best general-purpose ammunition for any .303 military rifle is the Mark 7 design because it provides the best combination of accuracy and stopping power.  The streamlined bullet was based on the 7.5×55mm Swiss GP11 projectiles and slightly longer and heavier than the Mk VII bullet at 175 gr (11.34 g), the primary difference was the addition of a boat-tail at the end of the bullet and using 37 to 41 gr (2.40 to 2.66 g) of nitrocellulose smokeless powder as propellant in the case of the Mk VIIIz, giving a muzzle velocity of 2,525 ft/s (770 m/s). Original British WWI Lewis Light Machine Gun .303 Barrel. Shot Cartridges. The cartridge fired a 215 grain.311” bullet over 70 grains of black powder … In C.I.P. It had a rate of fire of 1,150 rounds per minute a muzzle velocity of 2,660 ft/sec. The bullet diameter for the .303 British round is 7,9 millimetres, larger than the NATO standard .308/7,62x51mm. This means that .303 British chambered arms in C.I.P. Although it appears to be a conventional spitzer-shape full metal jacket bullet, this appearance is deceptive: its designers made the front third of the interior of the Mk 7 bullets out of aluminium (from Canada) or tenite (cellulosic plastic), wood pulp or compressed paper, instead of lead and they were autoclaved to prevent wound infection. 16 single-base smokeless powder based on nitrocellulose flake shaped propellants. Machine Gun Blank, Cordite Mk 1. Therefore, if you are going to select a Lee-Enfield in 303 British as your survival rifle in the United States, you will need to stock up on ammunition in advance. The weapon was also adopted for land use during World War II The most notable military service firearms chambered for this caliber included all variants of the Lee-Metford and Lee-Enfield rifles, the Pattern 1914 and Model 1917 rifles, and the Bren machine gun. This Chester County Armory listing is for an original British manufactured Bren MKI .303 British light machine gun, available as a Pre May Dealer Sample. There is no problem with using ammunition loaded with corrosive primers, providing that the gun is thoroughly cleaned after use to remove the corrosive salts. As a result, the Mark III and other expanding versions of the .303 were not issued during the Second Boer War (1899–1902). The classic 174-grain (11.3 g) FMJ bullets are widely available, though purchasers may wish to check whether or not these feature the tail-heavy Mk 7 design. Angus & Robertson. C $7.80. The Mk VIIz (and later Mk VIIIz) rounds have versions utilizing 41 gr (2.66 g) Dupont No. It has better ballistic performance than the standard .303 British cartridge. The Battle of Britain - Excerpts from an Historic Despatch by Air Chief Marshal Sir Hugh Dowding, Here it is – the new Sako rifle for the Canadian Rangers, "Photos of the contents of different .303 British cartridges", "Photo of Sellier & Bellot 150 gr (9.7 g) .303 British soft-point fired into ballistic gelatin (bullet travelled right to left)", "Photos of various different types of .303 ammunition", "Headstamps of various .303 ammunition producers", https://en.wikipedia.org/w/index.php?title=.303_British&oldid=987428536, Weapons and ammunition introduced in 1889, Articles with failed verification from April 2020, Articles needing additional references from April 2020, All articles needing additional references, Articles with unsourced statements from August 2017, Articles needing additional references from May 2014, Creative Commons Attribution-ShareAlike License, This page was last edited on 7 November 2020, at 00:04.  Cordite was a stick-type or 'chopped' smokeless gunpowder composed of nitroglycerine, gun-cotton, and mineral jelly, while Rifleite was a true nitrocellulose powder, composed of soluble and insoluble nitrocellulose, phenyl amidazobense, and volatiles similar to French smokeless powders. Buy It Now. Along with many other countries, Russia bought samples of the Maxim in the late 19th century and the Russian Navy adopted it during the Russo-Japanese War, using it extensively for the next half-century. WWI:1912 DAQ VI Machine gun rounds (round tip), x91918 DAL VII Rifle rounds, x2WWII:1944 Red tip (tracer/incendiary) x2K63 8Z x1RG 50 x1K50 x1Postwar:FN 50 x2Total: 19 rounds. The round, as originally adopted, consisted of a 215 Gr, round nosed, cupro nickel jacketed bullet with of 71.5 Gr of RFG2 Blackpowder.The powder charge was pressed into a pellet with both ends slightly rounded and pierced with a central flash propagating hole. The cumulative effects of firing Mk 8 ammunition through rifles were known during the Second World War, and British riflemen were ordered to avoid using it, except in emergencies. Tracer and armour-piercing cartridges were introduced during 1915, with explosive Pomeroy bullets introduced as the Mark VII.Y in 1916. 2 core reasons - the .303 Rifle calibre machine gun bullet made far more sense for cost, logistics and weight reasons, and if the British were going to spend the money, they wanted something *much* better, like a 20mm cannon. Although the round had better ballistics, troop trials in 1913 revealed problems including excessive recoil, muzzle flash, barrel wear and overheating. The Vickers K machine gun, known as the Vickers Gas Operated (Vickers G.O.) 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