best ballistic coefficient bulletbest ballistic coefficient bullet

The rare exception are the BC's provided by Olin / Winchester, based on 200 yard averages of live fire on their own in-house Doppler radar range. For smaller game and varmints, the Sierra 110gr Varminter bullet has proven very accurate. The BC of a bullet is a ratio calculated by a mathematical model based off of its density and its particular shape. Jun 26, 2018 All three of these bullets have a sectional density (which is the ratio of a bullet's diameter to its weight) of .242, because they are all .243" in diameter and weigh 100 grains. The standard projectile used to define ballistic coefficients is the G1 standard projectile, which differs significantly to modern long-range bullets. And that was a good thing in this case because it allowed me to try two relatively new bullets designed specifically with ballistic coefficient in mind: the Nosler 150-grain AccuBond Long Range (ABLR) and the Barnes 145-grain LRX. All of this was to decrease drag, improve the ballistic coefficient, and allow the bullet to retain velocity farther downrange. Its boat-tail angle and length are optimized for peak ballistic coefficient (BC) and stability. Speed and Energy are figured out using an average of all the known cartridges. This means that the speed and energy will vary from cartridge manufacturer to manufacturer. gives us a very small window of the projectile/bullet's ability to overcome external factors such as wind and gravity. Loaded with V-MAX bullets, it has the highest ballistic coefficient, highest velocity, and superior performance to velocities as low as 1600 fps, or 450 yards from their lightest .17 caliber load. In ballistics, the ballistic coefficient (BC, C b) of a body is a measure of its ability to overcome air resistance in flight. For comparison sake, we'll give both bullets a muzzle velocity of 3,000 fps. BC is measurement of how efficiently a bullet is able to cut through air . Ballistic coefficient is typically measured with a 3 digit expression. Lyman's 266455 is .26 at 2000 fps. The muzzle velocity for the PRVI .168 HPBT is 2608. Interestingly, the Trophy Bonded Tip was the only bullet that penetrated less (23.5 inches) at 400 yards than at 50 yards, testifying to its consistent expansion characteristics. There are also spitzer boattails.which gets a bit confusing in terms of generic BC values. BC is a product of the bullet's specific gravity (weight) and diameter (caliber) and shape (form factor.) The app can provide accurate dope out to 3,000 meters with readouts in inches, centimeters, MOA, Mils, or scope clicks. Table 3.3 The ballistic coefficients of various types of ammunition. I'll also be interested in the answer to this question. That got me to wondering about other 44 specs. shoots flat, hits hard, and fits in standard length actions. Its match-style features include a secant ogive and AccuChannel groove technology for the best possible long-range ballistics. 30cal and. In fact, this particular load uses one of the most aerodynamic bullets available as a factory load for the .243 Winchester. I'd be curious where the 6.5 x 55 would fall at in BC. The ballistic coefficient C is calculated by using the formula. GSPV . It is inversely proportional to the negative acceleration: a high number indicates a low negative acceleration—the drag on the body is small in proportion to its mass. These bullets also feed very well from the. The ogive was extended for a sleeker profile. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. .645 which is actually better than the 220 SMK. Ballistic Coefficient values at Mach 2.0 and 1.75 offer comparisons to other manufacturers that publish multiple BC's based on velocity. The sectional density for the PRVI is no different than any other .308 HPBT 168gr bullet, which is .253. Ballistic Coefficient values at Mach 1.75 (1954 fps @ ICAO Standard Atmosphere), should be used when calculating trajectories for shooting beyond 600 yds. Black Hills offers a good long-range load in its Gold ammo with a 154-grain Hornady SST bullet. Ballistic Coefficient: Is one of the more popular peieces of bullet marketing. The B.C. For long-range hunters, the ballistic coefficient of a bullet has an enormous effect on the energy a round has when it impacts the target. The belted cartridge can be loaded for velocities up to 3,500 fps with lighter bullets, but the best long-range loads use a heavier bullet with a higher BC and velocities between 2,800 and 3,000 fps. The ammunition has a good selection of bullets from 85 to 160 . This is considered very clean data by any standard. Velocity is a key factor in bullet expansion. The Spitzer is a very popular and aerodynamic bullet shape. All of this and more is covered in the episode. 250gr Ballistic Coefficient: .220; 275gr Ballistic Coefficient: .234; 305gr Ballistic Coefficient: .242 They also advertise that their Precision Hunter ammunition also offers match grade accuracy (usually sub-MOA). C = ballistic coefficient; w = weight of bullet; i = form factor; d = diameter of the bullet. But the more streamlined bullets have a higher ballistic coefficient. 400 yds. The Spitzer has a BC modifier of 1.642 making it the 2nd best of the 5 in terms of it's ability to travel through time and space. By sticking with this 120-year-old non-aerodynamic standard, bullet companies ensure their BCs will be as large as possible. That is the way it is advertised. BC can be expressed with the units kilograms per square meter (kg/m 2) or pounds (mass) per square . But the Power Point's BC is .294 and the AccuBond LR's BC is .719. The 150-grain Power Point load in 300 Winchester Magnum takes off at 3,290 fps. That small bullet translates into low recoil, yet a far MPBR of 310 yards, also coming . A ballistic standard such as the G1 or GA is a model of a projectile shape from which the drag and BC can be calculated. Another thing to note is that the G7 form factor (i The Sierra MatchKing is a boat-tail design, which is synonymous with excellent aerodynamics. Winchester's hot, accurate, 142-grain AccuBond LR 6.5 Creedmoor loading, for instance, leaves the muzzle at just 2,700 fps. Ballistic coefficients are not measures of a bullet's "goodness." Higher B.C.s do not necessarily make a bullet "better." Either way, the G1 fails to give us a real-life BC for our long-range bullets. And that was a good thing in this case because it allowed me to try two relatively new bullets designed specifically with ballistic coefficient in mind: the Nosler 150-grain AccuBond Long Range (ABLR) and the Barnes 145-grain LRX.. Select the type and style of the bullet with the radio buttons and then Carefully measure and enter the values required in the appropriate windows. The 147-grain ELD-M bullet has a sectional density of .301 and a G1 Ballistic Coefficient of .697, which is arguably the highest ballistic coefficient of any 6.5 Creedmoor bullet. If another Ballistic Coefficient for a different type . A ballistic coefficient can change with reference to (1) altitude, (2) temperature, (3) atmospheric pressure, and (4) relative humidity. For example, consider two Remington Core-Lokt 180-grain .308 bullets fired with a muzzle velocity of 2620 FPS and a muzzle energy of 2743 lb/ft. Involves more math than is even worth mentioning. If you're a .280 Rem. Ballistic Coefficient reflects a projectile's ability to resist air drag. Important: Since there are thousands of bullet shapes the Ballistic Coefficient calculations made below are not 100% accurate, if you are shooting out past 400-500+ yards your going to need to get the exact BC from the bullet's manufacturer. The 140 ~ 160 grain range should be fairly efficient. A look at 45-70 ballistics and a ballistic chart with velocity, energy and drop information for the most popular loads in the caliber. Muzzleloading Bullet Ballistic Coefficients. "These new bullets beat everything out there, even at the highest levels of competition, by 20%." - Alan Warner, Warner Tool Company. With the known form factor of .532631579 the BC for 2600 -2100 fps is .447. AccuBond at 2600 fps. It is expressed as a number like .250 or .379, .545, .618, etc. 250 gr. All measures of ballistic performance including drop and wind deflection are related to the bullet's ability to maintain velocity. The Nosler's BC is a whopping .611 (G1 model). Figure 2. But I guess that involves figuring out a bullets individual drag coefficient which is a whole other bag of worms. The best styles for long-range shooting will have high density and aerodynamically efficient shapes. It will have more of its speed left when it reaches the target. High-quality factory ammo is readily available in sporting goods stores and there are numerous bullet selections for reloading enthusiasts. 200 yds. Geoballistics BallisticsARC was the most popular ballistic phone app used by this group of elite shooters, representing 33% of the shooters using phone apps. One manufacturer had touted higher, but . Other than a wildcat, I think the 210 SMK has the best BC for wieght. Based on the 30-06 (that's what the -06 part is supposed to imply), the 25-06 is the second fastest cartridge listed here, and it does it with a small, 100 grain bullet. The G7 standard projectile provides BCs at all velocities for lanky boat tail rifle bullets. Go. They are the ones to choose for long range shooting where a flatter trajectory is important. The G1 is a model of a short, flat-bottomed bullet, while the G7 is for longer boat-tailed bullets. Our first offering in the Blackjack Bullets lineup is the 25 Caliber 131 grain ACE Match bullet with an outstanding 0.330 G7 Ballistic Coefficient (1000 yd Average BC) tested on the Oehler 88 System. The 3rd GB 130 gr bullet is .25 at 2100 fps. Our bullets are unique in the fact that they have the highest ballistic coefficient of any solid copper bullet in any given caliber weight class. It is inversely proportional to the negative acceleration: a high number indicates a low negative acceleration—the drag on the body is small in proportion to its mass. 1; 2; First Prev 2 of 2 Go to page. This is the bullet mentioned that is not readily available. Ballistics is the science of mechanics that deals with the launching, flight, behavior, and effects of projectiles, especially bullets, gravity bombs, rockets even baseballs. The Hornady ELD-X® (Extremely Low Drag - eXpanding) bullet is a technologically advanced, match accurate, ALL-RANGE hunting bullet featuring highest-in-class ballistic coefficients and consistent, controlled expansion at ALL practical hunting distances. Ballistic coefficients were originally defined by Ingals as a number indicating velocity erosion due to air drag for a given bullet compared to a standard projectile of the same shape- 1 inch in diameter and weighing 1 pound. On the other hand, the G1 BC above 3000 fps can be 0.590, while the average from 3000 fps to 1500 fps is only 0.533. Here are the 10 equations you should have in mind if you are working on ballistics. Not sure how long and heavy a bullet the 1:10 twist can handle? The Lodge AmmoToGo.com's blog about ammo, guns and shooting. Thread starter pouriya; Start date Jun 22, 2018; Prev. Ballistic Coefficient (G1):.656 Sectional Density: N/A Trajectory at 500 yards (200-yd zero):-30 MSRP: $26.60 box of 20. ballistic coefficient. Muzzle: 100 yds. Ballistic Coefficient: .290 The Scorpion PT Gold used to make that 223-yard shot has been a stellar performer for me. 1. Remember, there are actually 5 data points in each of the 3 clusters you see on the drag curve. 2. The bullet retains its weight for consistent, lethal penetration at any range. Ballistics Coefficients - Rifle 1450 .224 50 BlitzKing .142 .248 @ 3300 fps and above.243 between 2650 and 3300 fps .232 between 2050 and 2650 fps . The general best factory ammo for hunting coyotes is Hornady Superformance Varmint. Escape Velocity. Hornady 250 grain .452 XTP: BC .146; Hornady 300 grain .452 XTP: BC .180; . 300 yds . Ballistic Coefficient (B.C.) In general, the higher the ballistic coefficient, the better. G1 projectiles are flat based bullets such as spritzer bullets, where G7 projectiles are going to cover boattail spitzers. The 6.5 Creedmoor is a centerfire rifle cartridge that has long-range potential due to high ballistic coefficient. You see, the 25-06 is built for killing deer with a flat shooting, non-magnum charge. A high BC means the object will slow down less. To best understand the meaning of sectional density you need to understand what makes bullets effective on whitetail deer, elk, moose, and other big game. Suggested Bullet Use Suggested Bullet Use 250-grain LRX BT Sectional Density .313 Ballistic Coefficient .602 C.O.A.L 3.560" Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. The 7mm08 gives best results with the same powders used in the 7x57, Varget (ADI 2208) works best with 120 to 140 grain bullets while the 4350 burn rate powders work well with heavier bullets or long barrels Realistic velocities from a 22" sporter are 3050fps with 120 grain bullets, 2850fps with 140 grain bullets, between 2750fps with 150 grain . Hornady gives the best of both worlds with the CX. Price: $29.99. It'll do 3,100 fps out of the same rifle. The 131 ACE is an efficient bullet purposefully designed to maximize the role of the 25×47 . Find a Retailer. 270, 7mm,. Federal 7mm Mag 168 gr. It has a BC of .243, and I can push it to 3,020 fps from a 24-inch barrel. s plotted against . To prepare for the next level of modern muzzleloader performance, Harvester Muzzleloading has further increased the BC of basically the same bullet by reducing the diameter of the 300-grain PT Gold. The ballistic coefficient of this bullet is .366. The Matchking has a coefficient of 0.417. That's hardly hyper-velocity. *Recommended Powder C Compressed Load 4 265-grain LRX BT Sectional Density .331 Ballistic Coefficient .575 C.O.A.L 3.630" 250-grain TSX FB When looking at the Lyman 50th anniversary edition, I was surprised to see that the BC of the Hornady 225 gr FTX was lower than the 200 gr bullet and the 240 grain bullets on the same page. $37.99 Brownells.com. Geoballistics BallisticsARC is a free app available for iOS and Android devices, and the free version features a bullet library with 2500+ bullets, functionality for truing muzzle velocity, and support for weather hardware integration to . Both bullets for loading and ammo are available in 6mm, 6.5mm,. is the numerical evaluation of a projectile's efficiency in flight. . .375 H&H Magnum (L), .338 Winchester Magnum (R) Public Domain. The higher the number, the more efficient the bullet. This is done so you have an accurate number that represents the bullets performance over long range. It scored just behind the .340 Weatherby and has the least recoil among the cartridges tested. The ELD-X ® (Extremely Low Drag - eXpanding) bullet is a technologically advanced, match accurate, ALL-RANGE hunting bullet featuring highest-in-class ballistic coefficients and consistent, controlled expansion at ALL practical hunting distances. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. BC depends on mass, diameter, and drag coefficient. Hornady 7mm Mag 162 gr. All of this was to decrease drag, improve the ballistic coefficient, and allow the bullet to retain velocity farther downrange. by Bob Shell. The higher the BC, the less drag on the bullet. G1 BCs from Barnes and Litz plotted vs. sectional density, along with best-fit lines. Bullet Drop (Inches) Ballistic Coefficient ; Barrel Length: Muzzle: 100 yds. Ballistic Coefficient (G1): 0.150. The heavier weight resists the effects of wind better than lighter bullets. It might not matter if you're shooting at 50 yards, shooting pistols, or firing birdshot but it's crucial if you want to harvest game with a long-range rifle. The Lyman 266469 at 1600 fps is .320. BulletFlight M is available for Android and iOS. Item #3074 | 100/Box. Bullet drop and wind deflection are directly related to the bullet's ability to maintain velocity. I thought the FTX with the gummy bullet was suppose to have a higher BC. . Figure 1 shows G1. Most importantly, the G7 also renders an . Hornady's ELD line of bullets is considered the most precisely made, and the flattest shooting for any specific caliber. Bullet drag coefficient and ballistic coefficient The first thing to note on the plot is how tightly packed the data points are. Still the most popular .338 magnum in the world, the .338 Win. This is the best 22LR Ballistics Table because it allows you to compare . 30 Cal .308 178 gr ELD-X®. That's almost a 600 fps advantage. The G7 standard projectile more closely represents today's boat tail bullets and assigns them a more realistic BC than does the G1. It yields a ballistic coefficient of 0.301 at a muzzle velocity of 2,950fps. Lapua Center-X. The higher the number, the less drag the projectile will experience. The Nosler's BC is a whopping .611 (G1 model). Escape velocity is the speed at which the kinetic energy plus the . best Ballistic Coefficient calculator. They are the ones to choose for long range shooting where a flatter trajectory is important. Cast Bullet Ballistic Coefficent Table. GSPV A failure to plan is a plan for failure. Using the "Tab" key on your keyboard will jump the focus to the appropriate window entries for the type and style of bullet you have selected. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. In the world of ballistic coefficients, a bigger number means that a bullet flies more. The ballistic coefficient was measured at .326. Suggested 26 Nosler Load. shooter you know there's not exactly a ton of choices in factory ammo, so most of us reload it. What cartridge has the highest known ballistic coefficient? The Lapua Center-X is a standard-velocity, lead round-nose, match-grade .22 LR cartridge intended mainly for competition. But the more streamlined bullets have a higher ballistic coefficient. It will a produce a line graph showing the bullet drop and flight path of the bullet. However, I have not been able to get it to group at moderate velocities in 1:28 rate of twist barrels. It will a produce a line graph showing the bullet drop and flight path of the bullet. We call it the Goldie Locks zone - a sweet spot. Nosler Trophy Grade Long Range with a 129-grain AccuBond Long Range bullet at 3,400 fps.

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