.50 BMG Ballistics Variables Bullet Weight: 661 grain Ballistic Coefficient: 0.62 (G1) Note the tremendous difference that the 43 inch barrel (note #5) makes in the above chart. To calculate the trajectory of any object you need to know four things: 1) the launch speed, 2) the object mass (weight), 3) the launch angle, and 4) the drag coefficient for the object. The 165 grain Speer BTSP is very soft, producing fast clean kills and wide exit wounding on light bodied game down to 1800fps or 710 yards in the .30-06. Rating: 93%. The following charts of loads and ballistics cover rifles of varying barrel lengths, allowing the viewer to better determine the ballistics for their rifle. This line of ammunition is 100% Lake City made. A whole ballistics chart or some way to figure out the ballistics of this round would be much appreciated. A Positive Gain In addition to the change listed above, a select few ELD-X and ELD Match bullets initially had BC values that were determined from prototype bullets. Inputs include muzzle velocity, sight heights, chronograph distance, ballistic coefficient, drag function, line of sight and cant angles and atmospheric conditions. Atmospheric pressure: Properties of air basis: tt. PREDICTED IMPACT CONDITIONS At Firinq Position . To determine whether or not they are +P or +P+ rated, Call your manufacturer or gunsmith. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. This gives around 0.030 (similar to a JSB Exact) for a .22 Gamo roundball with a weight of 15.43 gr. 30-06 Springfield: Barnes TTSX: 168: 3356: 3000: 30-06 Springfield Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. $18.95 Per Box. 50 Cal .490 Lead Balls 0gr. It will a produce a line graph showing the bullet . - 150 Rounds. x ball dia.) The data used in the calculations is as follows: 7.62×51 M80. While some of the tables go out to 1000 yards I have . 5. ballistics sorted by foot pounds of Energy. Either load is a more than sufficient 200 yard load, if you know your trajectory and windage. They're cold swaged from pure lead which eliminates air pockets and voids common to cast balls. The hollow base of the bullet is designed to expand upon ignition to grip the rifling grooves tightly as it travels out the muzzle. Cartridge, Caliber 7.62mm, NATO, Ball, Special, M118 (United States): 173-grain 7.62x51mm NATO Full Metal Jacket Boat Tail round specifically designed for match purposes. [/quote] It is slightly more aerodynamic than the hollow point but worse than the spitzer and boattails. The Ballistic Coefficient for the 9mm Luger (9mm Parabellum) (9x19mm), American Eagle (Federal) Full Metal Jacket, 124gr is 0.149 (in this example) but, but may also range from .130 bc to .156. Internal Ballistics of Muzzleloaders. N/A. Encased in Barrett head-stamped brass, every cartridge is loaded with noncorrosive powder and primers as well as a 661 gr projectile using state-of-the-art machinery. The balls will pass through most game by sheer mass, or momentum. Effective ranges of 58 and 62 caliber round. bullet. Does anyone know any specifics about Lake City M80 Ball .308, like the weight of the bullet, ballistic coefficient, general ballistics, etc? Ballistic coefficients are measures of a bullet's relative efficiency. As Prairie Goat pointed out, in most factory rifles, the 22-250 is really hamstringed by slow twist, limiting bullet selection to ping pong ball ballistic coefficients. Round Ball Ballistics Calculator Loaded with 35 to 40 grains it rivals the modern 9mm and. Almost all rounds have a ballistic coefficient of less than 1.0, but large rounds like the 50 BMG can exceed this normal BC. Ballistic coefficient is typically measured with a 3 digit expression. Ballistic coefficients are only one factor in bullet selection for different kinds of shooting. It will a produce a line graph showing the bullet drop and flight path of the bullet. The 7.62×51mm NATO (official NATO nomenclature 7.62 NATO) is a rimless, bottlenecked rifle cartridge.It is a standard for small arms among NATO countries.. First developed in the 1950s, the cartridge had first been introduced in U.S. service for the M14 rifle and M60 machine gun.Many other firearms that use the 7.62×51mm NATO remain in service today, especially various designated marksman . = BC Example for a .535" round ball: 230 grs divided by (10640 x .535" x .535") = BC .0755 Using a baseball analogy, we need to know how hard we are throwing the ball, the weight of the ball, the direction of the pitch, and if we have any spit or . The box this ammo comes in doesn't have any of. It is up to you to determine the compatibility of any ammo with your particular pistols. lb Muzzle Velocity ft/sec. GS - For round ball - Based . Put an 8" twist barrel on it and it becomes a whole different animal. I found a BC for the .69 cal ball and the .58 cal mini off the web-don't remember where. ENVIRONMENTAL DATA Temperature. . This genteel gyroscopic gem has a sectional density of .105, and a ballistic coefficient of .068." So I think you can go to a site with a ballistics calculator input your data and make a drop chart. The Ballistic Coefficient (BC G7) for the 7.62×51 CBJ is calculated with regards to the projectiles characteristics, like caliber, nose length, nose radius, nose shape, boat tail, density and overall length. It also degrades the range potential somewhat as it decreases the ballistic coefficient. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. Can anyone come up with a formula for roundballs travelling at less than 1300 FPS? I got several PM, and a few eMail, asking about the .54 round ball. The claimed ballistic coefficient of the bullet is .494 which was very high for that time period. The Ballistic Coefficient calculator computes the Ballistic Coefficient a factor representing the effect of air resistance on a ballistic projectile. Ballistic Trajectory Calculator. and Weight then click Calculate. Completely uniform in size, weight, and roundness, Hornady® Round Balls deliver consistent and accurate performance. The Black Powder Handbook by Sam Fadala, about 1990, gives a .45 Minie ball of 265 grains a ballistic coeefficiency of .156. the fact that your measured ballistics data matched the calculated theoretical ballistic curve when the lowered value of BC was used is a strong argument in your favor. Designed for long range training and target practice. (All values are based on a 2100 fps muzzle velocity.) To use the feature enter your Ball Diameter. This property is known as the bullet's Ballistic Coefficient (BC). Ballistic Coefficient numbers are needed to run charts and from my Lyman Black Powder Handbook I found that a .495 round ball has a BC of .070 and the Lee Support Center lists a BC of .286 for their 50 caliber, 250 grain R.E.A.L. Barrel length plays a big role in the velocities achieved. In the simplest terms, the ballistic coefficient (BC) of a bullet is how well it can overcome air resistance and maintain it's velocity throughout it's flight; the higher the BC, the better a bullet overcomes air resistance and maintains it's velocity. Bullet Weight: 661 gr. In the second installment of Ballistics 101, we took a look at the concept of a "ballistic coefficient", or a drag model based on an empirically tested projectile, against which other projectiles can be measured and compared.Mentioned in that post - but not explained - was the concept of form factor, which is the subject of today's installment. Ammunition is sold in 80-round cases. The Ballistic Coefficient for the 9mm Luger (9mm Parabellum) (9x19mm), American Eagle (Federal) Full Metal Jacket, 124gr is 0.149 (in this example) but, but may also range from .130 bc to .156. Cartridge, Caliber .30, Ball, High Pressure Test, M1. Ballistic Coefficient. A ballistic coefficient can change with reference to (1) altitude, (2) temperature, (3) atmospheric pressure, and (4) relative humidity. N/A. The only bullet that qualifies as a significantly longer range projectile is the Parker Match Hunter. Bullet: 661 gr M33 Ball. co^rsrRAr rrs lnitial time: 0.0 seconds Initial range: 0 feet Gunsite Altitude: 0 feet above the impact area. . Unless stated otherwise the bullet used for these calculations is the GI M80 Ball bullet with a G7 ballistic coefficient of .195 as derived by the Ballistics Research Laboratory, Aberdeen Proving Grounds and using a program designed for the G7 drag model (mainly because I have verified data). A "BC" is not static, it constantly changes with velocity. BC is a very high .520. This page is devoted to loading and shooting the .54 caliber patched round ball rifles. Two of these ball loads (the weakest and the hottest were left in the next chart for comparison. . The roundnose is a bullet that looks like it sounds.it has a round nose. Output options include variable ranges and choice of units for windage and drop (inches, MOA, and mils). This operation makes the round balls more accurate but at the same time, you create a projectile that is not a true round ball. $34.75 Per Box. SR 4990. That is, a 13" long by 0.6" diameter wound channel. A quick search found that these fellows were armed with Lorenz muskets which apparently fouled pretty quickly, thus vastly reducing the rate of fire. People often get caught up in new fads and forget about the roundnose. for a particular bullet to that of its larger 'G' Model standard reference projectile. Produced by Lake City Army Ammunition Plant. That is a. Since the M852 was the new match load for competition use, the M118 was redesignated the M118 'Special Ball', or SB, and was the authorized ammo for combat use by snipers. A whole ballistics chart or some way to figure out the ballistics of this round would be much appreciated. IV. Ballistic Coefficient In order to calculate the trajectory of a bullet in flight, its ability to push aside the air and retain energy must be known. Making it a combination that an ethical hunter can take a deer with up to 100 yards. Hornady Pennsylvania Conical Muzzleloading Bullets have about 35% more mass than a typical lead round ball. 7.62×51mm NATO 2 The 7.62×51mm NATO (official NATO nomenclature 7.62 NATO) is a rifle cartridge developed in the 1950s as a standard for small arms among NATO countries. 9mm Ballistics Chart. The terminal ballistics of a 180 grain, .50 caliber roundball at 100 yards are slightly better than a 158 grain, .38 Special P+ round (880 fps) at the muzzle. 0.01651 0 (Calculated) Velocity over 3' @ 3': '1,200 fps Drag Factor: G99 I II. 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