Refine by Caliber: .338-378 Weatherby Magnum .338 Federal Refine by Caliber: .338 Federal .338 Lapua Refine by Caliber: .338 Lapua .338 Marlin Express Refine by Caliber: .338 Marlin Express .338 Rem. The 338-378 Keith-Thomson Magnum is a quarter of an inch shorter than the full length 338-378 Weatherby Magnum, this was because they thought it was better balanced with the slowest powder generally available at that time (H4831). [14] It also offers an acceptable amount of barrel wear, which is important to military snipers who tend to fire thousands of rounds a year in practice. decisions and tables edition 2007, that rated the 7.62 UKM at 470.00 MPa (68,168 psi) Pmax piezo pressure. While the .338 … regulated countries every rifle cartridge combo has to be proofed at 125% of this maximum C.I.P. Americans would define the shoulder angle at alpha/2 â 20 degrees. [72] The LM-105 has a supersonic range of â 1,860 metres (2,030 yd) at a muzzle velocity of 915 metres per second (3,002 ft/s) under International Standard Atmosphere sea level conditions (air density Ï = 1.225 kg/m3). On 7 March 2013, the Remington MSR was declared the winner of the Precision Sniper Rifle competition. It’s a #3 contour 26-inch fluted barrel with a big … This means that 7.62 UKM chambered arms in C.I.P. [10] RAI was forced to drop out of the program due to financial difficulties. by Mr. It was … Beat Kneubühl, "From an American dream to a Finnish success story", "History of Lapua - About us - Nammo Lapua", Sako TRG-42 The quest for cold-bore accuracy stops here. The loaded cartridge is 14.93 mm (0.588 in) in diameter (rim) and 93.5 mm (3.68 in) long. All this modifications make the .343 Lapua Magnum a fairly comprehensively revised wildcat cartridge. Several other dimensions of the .338 Lapua Magnum parental cartridge are also changed. According to the official C.I.P. The common 254 mm (1:10 inch) rifling twist rate also has to be tightened to stabilize very long projectiles. The shoulder angle gets steepened from 40° to 60° and the body taper is set at 1°. In the article 'From an American dream to a Finnish success story'[66] by Janne Pohjoispää Lapua propagates the C.I.P. [notes 1] Like every other comparable large magnum rifle cartridge, the .338 Lapua Magnum presents a stout recoil. Da die einzelnen Ladevorgänge, Arbeitsabläufe und Sicherheitsverfahren außerhalb unserer Kontrolle liegen, lehnen wir jede Haftung für daraus resultierende Schäden ab. The large boltface combined with the maximum pressure means that the .338 Lapua Magnum should only be chambered in rifles that are capable of handling such large high pressure cartridges and thus high bolt thrust safely. Best, cheap, bulk 338 Lapua Magnum ammo for sale. This now prevails over the C.I.P. [61][62] The 19.3 g (298 gr) LM-107 projectile design is 59 millimetres (2.3 in) long and has a Haack profiled nose and an Adams profiled tail. regulated countries are currently (2013) proof tested at 550.00 MPa (79,771 psi) PE piezo pressure. The common rifling twist rate for this cartridge is 240 mm (1 in 9.45 in), 4 grooves, à lands = 7.62 mm, à grooves = 7.82 mm, land width = 4.47 mm and the primer type is large rifle magnum. The .338 cartridge case was used for this since it has the capability to operate with high chamber pressures which, combined with smaller and hence lighter bullets result in very high muzzle velocities. It is however still used by a few shooters who produce the cases from .338 Lapua Magnum brass by reshaping the shoulder and neck, and handloading it with .30 calibre bullets. [6], In addition to its military role, it is increasingly used by hunters and civilian long-range shooting enthusiasts. cartridge dimensions. The exterior shape of the case was designed to promote reliable feeding and extraction in bolt action, semi-automatic, and automatic firearms alike, under extreme conditions. If Möller's design assumptions are correct the LM-107 projectile with a calculated G1 BC of 1.02 will offer a supersonic range of â 2,170 metres (2,370 yd) at a muzzle velocity of 909 metres per second (2,982 ft/s) under International Standard Atmosphere sea level conditions (air density Ï = 1.225 kg/m3). This resulted in a very pressure resistant case, allowing it to operate at high pressure and come within 15 m/s (50 ft/s) of the original velocity goal. The 338-Lapua is chambered in Sako rifles. It was used in the War in Afghanistan and the Iraq War. [72] A real world average G1 BC of â 0.83 or a G7 BC of â 0.42 is commonly adopted by the users of this bullet, for making long range trajectory predictions using ballistics calculators. It has the same lethality as the .338 Win Mag and is now replacing the Win Mag but it's power against large … As such, the following is for comparative information purposes only and should not be used to make precise predictions of the trajectory, performance, or true ballistics of any particular .300 Weatherby Magnum or .338 Lapua Magnum rounds for hunting, target shooting, plinking, or any other usage. datasheet. [77] In true Weatherby fashion, the .340 generates velocities almost 300 fps faster than the .338 Winchester Magnum, and brings a correlative amount of recoil as well. [11] The .338/416 rifle program was later canceled when the contractors were unable to make the cartridge meet the project's velocity target of 914 m/s (3,000 ft/s) for a 16.2 g (250 gr) bullet, due to excessive pressures rupturing cartridge cases. Pressed by military deadlines RAI looked for another case producer and contacted Lapua of Finland in 1984. Re: 30-378 Weatherby VS 338L I had a Sako TRG-S in 338 Lapua. (B.E.L.L.) It's an amazing caliber and rifle. According to the official C.I.P. Remington Defense produces the sniper rifles and utilizes two other companies for other system components, with Barnes Bullets for ammunition and Advanced Armament Corporation for muzzle brakes and suppressors; all three companies are subsidiaries of Remington Outdoor Company. This was achieved by coupling a sensible case volume (7.40 ml) to bore area (56.86 mm2/0.5686 cm2) ratio (13.01 Oratio) with ample space for loading relatively long slender projectiles that can provide good aerodynamic efficiency and external ballistic performance for the projectile diameter. [67] The C.I.P. regulated countries are currently (2013) proof tested at 550.00 MPa (79,771 psi) PE piezo pressure. A German 300 Magnum Wildcat Extraordinary, The 7mm Fatso - The Ultimate Short Magnum! Handladdningsdata för 460 WEATHERBY MAGNUM Bullet Hornady RN 350 gr Bullet weight 22.7 g / 350 gr B.C 0.189 C.O.L 86.5 mm / 3.406 # 4502 Gunpowder Charge Weight Velocity m/s Velocity fps … According to the thread the .338 Norma Magnum with a COAL of 3.6" can better the .338 Lapua Magnum (provided the COAL is 3.6") with less powder, indicating a more efficient design. The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s. Besides changing the shape and internal volume of the parent cartridge case, wildcatters also can change the original calibre. The rifle is, of course, offered in .338-378 Weatherby and, new for 2012, the .338 Lapua. Our website lists special deals on 9mm Ammo, 10mm Ammo, 45-70 Ammo, 6.5 Creedmoor ammo, 300 Blackout Ammo, 10mm Ammo, 5.56 Ammo, Underwood Ammo, Buffalo Bore Ammo and more special deals on bulk ammo. Loaded with more aerodynamic very-low-drag bullets such as the traditionally lead cored 19.44 g (300.0 gr) Lapua Scenar GB528 VLD bullet (G1 BC = 0.736) or the Lost River Ballistics J40 .338 17.5 gram (270 gr) CNC manufactured mono-metal bullet (G1 BC = 0.871) the long-range performance and supersonic range of .338 Lapua Magnum rifles can be improved. Das Wiederladen … Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online. The … decisions and tables edition 2007, that rated the .300 Lapua Magnum at 470.00 MPa (68,168 psi) Pmax piezo pressure. Rifles chambered for this wildcat cartridge, with a cartridge overall length of 105 millimetres (4.1 in), and equipped with custom made 178 mm (1:7 inch) progressive twist rate[73] 900 millimetres (35.4 in) long barrels with a 2° cone-angle (the standard C.I.P. (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) rulings the .300 Lapua Magnum can handle up to 440.00 MPa (63,817 psi) Pmax piezo pressure. Such commercially non-existent cartridges are termed "wildcats". The .343 Lapua Magnum LM-107 was a wildcat cartridge under development based on the standard .338 Lapua Magnum cartridge case. The .338 Lapua cartridge was developed in the 1980s when the US military decided that it needed something in between the new standard sniper round, the .300 Winchester Magnum, and the … [74] The LM-107 was hoped to boost the ballistic performance of the LM-105 by achieving an increase in supersonic range. During the process RAI employed Jim Bell and Brass Extrusion Labs Ltd. rulings and add some dimensions that have no C.I.P. or its American equivalent, SAAMI. As a rule of thumb, when it comes to hunting, muzzle energy is what many hunters look at when deciding on what caliber of firearm / ammunition to select. The .338 Lapua Magnum was initially grounded on a .378 Weatherby Magnum case, necked down to accept 0.338-inch (8.6 mm) bullets because this diameter presents optimal sectional … [4][5] In reports CoH Harrison mentions the environmental conditions at Musa Qala were perfect for long range shooting: no wind, mild weather, clear visibility. [69], For a typical .338 Lapua Magnum high end factory military sniper rifle like the Sako TRG-42 with a 690 mm (27.2 in) long 305 mm (1 in 12 inch) rifling twist rate barrel at sea level, 1,500 m (1,640 yd) is considered to be the maximum shooting distance for man sized targets. Tom Sarver used a .300 Hulk wildcat cartridge, which is basically a necked-down, blown out, shortened .338 Lapua Magnum variant, to achieve a 1.403-inch (35.64 mm) diameter benchrest 5-shot group on 7 July 2007, establishing a world record. However, to be able to maintain 80 to 90% hit probability on non-moving 45 cm à 90 cm (17.7 in à 35.4 in) reactive army targets, this maximum shooting distance has to be reduced to 1,300 metres (1,422 yd) at freezing point conditions or 1,100 m (1,203 yd) in Arctic winter conditions, when the muzzle velocity may drop to 880 m/s (2,887 ft/s)âi.e. Keith and Thomson are Elmer Keith and R.W. By changing the shape of standard factory cases (decreasing case taper and/or changing the shoulder geometry) the wildcatter generally increases the case capacity of the factory parent cartridge case, allowing more propellant to be used to generate higher velocities. *.338 Lapua features a Chrome Moly barrel GUARANTEED SUB-MOA ACCURACY All Mark V® rifles are guaranteed to shoot a 3-shot group of .99” or less at 100 yards (SUB-MOA) from a cold barrel when used with Weatherby… But again if you want a big 338 lapua … Generally speaking, the higher the muzzle energy, the higher the stopping power. pressure to certify for sale to consumers. Muzzle velocity is dependent on barrel length, seating depth, and powder charge, and varies from 880 to 915 m/s (2,890 to 3,000 ft/s) for commercial loads with 16.2-gram (250 gr) bullets, which corresponds to about 6,525 J (4,813 ftâ lbf) of muzzle energy. I’ve sent hundreds of rounds of 340 Weatherby … We offer cheap ammo and bulk ammo deals on the most popular ammo calibers. The .338 Lapua Magnum cartridge is in law enforcement or military[17][18] use with: The .338 Lapua Magnum has been designated a "cartridge of interest" by the National Defense Industrial Association (NDIA). All sizes in millimeters (mm). It has an 1,800 m (1,970 yd) supersonic range under optimal warm summer conditions at a muzzle velocity of 869 m/s (2,850 ft/s). My 28” #3 contour barrel is hand-lapped, free-floated and cut-rifled to extract top velocities and energy from .30-378 Weatherby Magnum, .338 Lapua Magnum and .338-378 Weatherby Magnum …
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