The surface is dirt and water-resistant. cartridge. 50 BMg bullets have a high ballistic coefficient of more than 1.0 to resist drifts from wind in flight. It also has a strong recoil force as the cartridge is filled with powder. 338 Lapua vs 50 BMG - Long Range Cartridge Comparison With modern firearms, the majority of centerfire rifle cartridges can be tolerated with regards to the recoil. The round is a scaled-up version of the .30-06 Springfield but uses a case wall with a long taper to facilitate feeding and extraction in various weapons. An In-Depth Look at 50 BMG Ammo - BulkMunitions A bull moose needs a bullet that can hold together and penetrate deeper than a bullet that is going to be used for whitetail. If you're looking at doing match ammo, you could be paying $5/round just for the bullet, nevermind the powder, primer, brass and other components. The bullet type and powder make the recoil force different between bullets. Both are considered powerful and unique bullet rounds. As we mentioned earlier, the velocity has a lot of influence on other aspects of the bullets behavior such as expansion. It is a scaled up version of the venerable .30-06 (standard issue in infantry rifles for the U.S. in both World Wars). And we know we have harped on this several times throughout the article, but we are going to talk regarding cartridge versus cartridge rather than round to round. But those that dont assault weapons are accepted by all applicable federal laws and made legal everywhere. Ballistic Coefficient: 0.572 Diameter: 0.51" Material: Copper Length: 1.892" Features. Mathematically, it is the ratio of a bullet's sectional density to its coefficient of form. Keep in mind this is an approximation and although it is quite accurate it should never replace first-hand experience of shooting your specific firearm and ammunition to determine the bullet drop and windage at different ranges and conditions. The .338 LM is no slouch when it comes to long range shooting. A very interesting and well written article by an educated man with a surprising background. They have barrel shrouds and a compensator to keep the gun in level. All of them but one .338 LM round break the .55 mark. ShootersCalculator.com is in the process of being massively overhauled. It boasts a BC of 0.874, and some indicators point to a 0.900 BC at 2,900 fps. This e-mail address is already subscribed. It is made a standard bullet for important army forces. In our minds, there is no one cartridge that is above and beyond better than another. Looking at just the basic physics, a .50 bmg has a muzzle velocity of about 420 meters per second (1480 feet per second). . If you decide to make a go with the .338 or the 50 BMG, with some practice, youre going to have an accurate cartridge. Ballistic coefficient - formulasearchengine On the other hand, a 50 BMG is a type of 50 Caliber round. Subsequently, Frankford Arsenal took over from Winchester, producing the historic .50 BMG or 12.7x99 mm cartridge. 50 Cal 647 Grain Ball pulled bullets. The Army then returned to John Browning for the actual gun. The bullet length, shape, and weight all positively contribute to a much higher BC than the 50 Beowulf bullet. Since 50 BMG cartridges are unique, these have a limited number of sniper rifles built with adequate quality. Due to the high ballistic coefficient of the bullet, the .50 BMG's trajectory also suffers less "drift" from cross-winds than smaller and lighter calibers, making the .50 BMG a good choice for high-powered sniper rifles.[16]. Although 50 cal is a very penetrating bullet, research has found something to stop it. And this is case when comparing most cartridges. Loaded specifically for precision big bore rifles, a wide variety of ammunition is available, including ball, tracer, armor-piercing, incendiary, and A-MAX rounds, with accuracy being priority number one. The common rifling twist rate for this cartridge is 1 in 15in (380mm), with eight lands and grooves. This data was taken from the standards used by the ballistic calculator for the .338 LM and the .50 BMG rounds. Due to the high ballistic coefficient of the bullet, the .50 BMG's trajectory also suffers less "drift" from cross-winds than smaller and lighter calibers, making the .50 BMG a good choice for high-powered sniper rifles. The .50 BMG round can produce between 10,000 and 15,000 foot pounds (between 14 and 18 kilojoules), depending on its powder and bullet type, as well as the rifle it was fired from. The higher the number, the less drag the projectile will experience. Now I am curious about the comparison between the LM 338 and the 30-378 weathering magnum. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. Ballistic Coefficient Calculator GunData.org There are some options for bulk purchase which can save you some money in the long run. [14], Some civilians use .50 caliber rifles for long-range target shooting: the US-based Fifty Caliber Shooters Association holds .50 BMG shooting matches. [1] It is inversely proportional to the negative acceleration: a high number indicates a low negative accelerationthe drag on the body is small in proportion to its mass. Both 50 BMG rounds leave the muzzle with over 13,000 ft-lbs of kinetic energy compared to about 4,700 ft-lbs for the 338. Find load data for your cartridge. It will a produce a line graph showing the bullet drop and flight path of the bullet. The price for both is about equal per 20 rounds, though the 50BMG factory loads often come in boxes of ten rounds. American interest in an armor-piercing cartridge was influenced by the marginal French 11 mm design, prompting U.S. Army Ordnance officers to consult Browning. You might be asking yourself if the velocities shown here are enough for proper expansion of such a large bullet such as the .50cal. Its because 90% of their shots are coming at 250 yards or less. For the .50BMG, we would recommend the Hornady A-MAX Match 750gr round. If we take a closer look at the averages of the round, we see that the 50BMG rounds carry from 200fps (Muzzle-700yds) to 300fps (800-1,000yds) more than the 338LM rounds, which is quite remarkable given how much heavier the 50BMG rounds. 50 caliber bullets can easily enter through a thick, concrete, or brick wall, a large tree, or even a person from a long distance. You might be strictly a hunter or strictly a competition shooter, but the majority of us are a mixture of both. Ballistic Coefficient Tables - Fr. Frog's Pad Its range and accuracy, however, are superior to light machine guns when fixed on tripods, and it has not been replaced as the standard caliber for Western vehicle-mounted machine guns (Soviet and CIS armored vehicles mount 12.7108mm NSVs, which have similar dimensions to .50 BMGs). Another factor that goes into a cartridges stopping power is the penetration of the bullet. On the other hand, 50 BMG is one of the various types of 50 Cal. Joined Feb 9, 2010 Messages 6. The TSX has gained worldwide recognition as one of the deadliest, most dependable bullets you can buy. Today, there are various types of bullet rounds manufactured that are measured in 50 calibers. We dont have a single set of data we can look at to determine stopping power. From a hunting perspective, the advertised ballistic data confirms that all three cartridges have both the necessary sectional density (SD) and initial muzzle energy for both medium and large game hunting applications. 50 BMG (12.799) 647 Grain API Match Grade Ammunition This ammunition is manufactured in the USA by FedArm. Barrel Lengths & Velocities for the 50 BMG - Lilja : Lilja Since 50 BMG cartridges are unique, these have a limited number of sniper rifles built with adequate quality. But thats the case with just about every round and is one of the many reasons that a lot of us have fallen in love with the sport. This is the Ferret .50; a top-end attachment to an AR15 lower. During wartime, especially WW2, the US coast guard, and military used 50 BMG rifles towards helicopters. You will be sent the quantity of bullets that are ordered. It is used mainly in machine guns for various shooting and personal uses. Within the United Kingdom, it is legal to own a bolt action .50 BMG rifle with a section 1 Firearms Certificate. 2023 Ballistic Chart - Fillable, Printable PDF & Forms | Handypdf The two most important variables are the Initial Velocity and the Ballistic Coefficient. The term BMG means Browning Machine Gun. For assistance, contact customerservice@barnesbullets.com or by phone at 800-574-9200. So the damages can be huge, depending on the surface it will hit. If we look at the sectional densities of the ten rounds we see that there is not a huge advantage to one cartridge over the other in this regard though the 50BMG cartridge does have two rounds above the .4 mark. Most hunters also want enough stopping power to be able to make a clean and humane kill of the animal with causing unneeded suffering and risk losing it in the field. The longest recorded kill using a .50 BMG was over 2 miles away. The standard projectile on which all Hornady Bullets were compared was the G1 Model, based on work begun in France and refined at the U. S. Army Ballistic Research Laboratories, Aberdeen Proving Ground, Maryland. When this is the case, we will be sure to make it clear what we are doing. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. We arrived at these numbers by using a 15lb firearm for the 338 LM rounds and a 30lb firearm for the 50 BMG rounds, which are common weights for rifles chambered for each cartridge. Lake City 50 BMG Ammo Details. For hunters, stopping power is a critical factor in choosing a certain cartridge.
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