For some of these bullets, it is not worthing measuring the length and calculating the drift (e.g. Twist rate in 7mm - ACCURATE RELOADING Nose Length: From the front of bearing surface to the bullet tip. I I wish they would make a 70-75 grain AB or BT designed for game for the .243 and .257. We use cookies to make your experience better. The 121 gr hammer the 130 gr accubond the 120 gr ballistic top 99 gr hammer and 125 gr Nosler partition will stabilize in a 1-9 twist 6.5x55 any thing heavier probably won't that's my experience with that twist rate in that caliber the 121 gr hammer will perform above it's weight with a velocity gain that might fit the ticket for his twist rate if not the 130 gr accubond would be my . Explanation of terms. Select a Bullet from the List Varmint - 25 gr FB Varmint - 35 gr FB Varmint - 40 gr BT Varmint - 55 gr BT Tactical - 77 gr OTM Target - 52 gr FB Target - 55 gr FB Target - 70 gr VLD Target - 73 gr BT Target - 75 gr VLD Target - 80 gr VLD Target - 80.5 gr Fullbore . Ballistics Calculator | Berger Bullets The Barrel Outlet's Barrel Twist Calculator Calculator is a tool for determining the Gyroscopic Stability (GS) of your bullet and is based on the Don Miller twist rule. Bullet Library Select a bullet from the list or enter in the properties below Stability Analysis Your bullet is STABLE. FB Tipped Varmageddon: Nosler: 17210.172: 20.0 gr. The store will not work correctly in the case when cookies are disabled. Sierra Bullet Calculator - Free PDF eBook 035 RT Left:. I have a Bergara 9 Tw. In the weeds....130gr TMK - 6.5 Grendel You can calculate your bullets stability factor using . 220 Swift. #4. NOTE: I am not claiming that the Miller stability and Litz drift formulas are applicable to all of these bullets -- they are probably not. Bullet Library. I hope this makes sense. Nosler Ballistic Silvertip 30 Caliber 0 308 Ballistic Ts Bullets 30 Caliber 0 308 180gr Spitzer 50 Box is best in online store. However you do need to be aware of the stability requirements for these long bullets and aim for a stability factor of 1.5 or higher. Select a bullet from the list or enter in the properties below. Add to Wish List Add to Compare. Ballistic Calculator Let us introduce our new amazing feature developed to meet the needs of today's demanding hunters. Bullet Library. So, his conclusion was that you should target the 1.5+ range for your long-range shooting needs. Remington Rifle. V-MAX: Hornady: 21710.172: 20.0 gr. Using berger stability calculator, a 1/11 is needed for the 175. I I wish they would make a 70-75 grain AB or BT designed for game for the .243 and .257. I'm just looking for some clarification I guess. In summary, the Nosler LR Accubonds are a dramatic improvement over the standard Accobonds in terms of BC's which is a great thing for long range hunters. Nosler was founded in 1948 with a single product, the Nosler® Partition® bullet. Bottom line is that my experience of plastic "ballistic" tipped bullets from Sierra, Nosler and Hornady never matched what the Berger stability calculator said I should expect to see. I just ran the 210 ABLR through the stability calculator. JBM bullet stability calculator Reloading. P.S. If you like the Sierra line, their 70 grain Blitzking shoots interchangably in my guns with the Nosler B.Tip. Sg = 8π ρairt2d5CMα A2 B S g = 8 π ρ a i r t 2 d 5 C M α A 2 B The variables are as follows: The first four variables are easy to measure and/or calculate. Neither in terms of obvious stability problems nor an effective reduction in BC resulting in measurably different external ballistics to what Sierra Infinity . Explanation of terms. You should expect a 3% BC loss for every 0.1 stability factor loss below 1.5. Ballistic Coefficient is essentially a measure of air drag. 243 Winchester Load Data. Bullet Database; Ballistics Calculator. My dad had a 28 built from Nozler- It was a special build for him as a thank you from one of the guys there I absolutely love it! Useing any data from a ballistic calculator should only be take as a guide the only truely accurate way of testing the suitability of any load or bullet for any rifle is by live testing I can give you an example in my 243 1:10 twist conventional wisdom from some sources say a 105g bullet is to heavy yet the geco 105's I use are extremely accurate All you have to do is enter the bullets measurements and chrono data. The longer a projectile is the faster it must be spun to stabilize or remain point on in flight. In summary, the Nosler LR Accubonds are a dramatic improvement over the standard Accobonds in terms of BC's which is a great thing for long range hunters. Ballistic Data And BC's for 120.0 gr. I put the data into JBM Ballistics Trajectory calculator. More on the twist vs. bullet length The 77 gr .224 Nosler hp., bt. Custom match grade bullets for F class and long range benchrest. 2. Whether you're hunting, shooting for competition, or shooting for fun, we've got a bullet that will take your performance to the next level. Ballistic Calculator. Berger's hunting rifle ammunition is designed for effective expansion and hydrostatic shock for both short and long range shots on game. Caliber (0.100 to 2.000 in) [0.308] Bullet Weight (5.0 to 15000.0 gr) [220.0] Bullet Length (0 . returns 2.249 also green - stable. BULLET DIMENSION REFERENCE. Don Miller and Dave Brennan (editor of Precision Shooting) have also been kind enough to let me host his stability paper on my exterior ballistics bibliograpy page. All shot great and never had any issues with stability. Nosler Ballistic Silvertip 30 Caliber 0 308 Ballistic Ts Bullets 30 Caliber 0 308 180gr Spitzer 50 Box is best in online store. You can calculate your bullets stability factor using . 20 October 2009-- Updated and added to Nosler bullets in the library. NOTE: I am not claiming that the Miller stability and Litz drift formulas are applicable to all of these bullets -- they are probably not. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. $92.55. Ballistics Coefficients - Rifle 1605 .257 70 BlitzKing 0.151 .260 @ 3150 fps and above.251 between 2800 and 3150 fps .242 between 1800 and 2800 fps . Calculate a stability factor for a bullet using the Miller stability formula. Bookmark Us Now! Its partitioned lead core allows the front half of the bullet to mushroom on impact, but it helps to keep the back half . Caliber (0.100 to 2.000 in) [0.224] Nose Length - Calibers (1.200 to 5.000) [3.0] Meplat Diameter - Calibers (0.000 to 0.350) [0.000] Ogive Radius . To be properly stabilized, a bullet should have a gyroscopic stability factor (SG) of 1.4 or higher, with 1.5 now being recommended as the minimum by some experts. 80 Grain. 05-09-2021, 11:48 PM #12 At the end of the day going out and shooting YOUR "Load" in your "rifle system" will give you your "BC for a bullet" that works for you. To use it, just pick a bullet from our library, fill in the appropriate information and click . 26 is like magic. Selecting a bullet (in this case a hunting bullet) based on the barrels ability to stabilize it is is the first step and one his buddy over looked. 3. Nosler Ballistic Tip. However, Berger's stability calculator says the hybrid is marginally stable and also indicates that 185g is. I have not used them in a 270 WSM but wanted to. When navigating to the ballistics calculator, the first element you will see is the bullet library. Your twist rate is optimized for this bullet. What you really want is the bullet length. These bullets tend to change their stability factor as velocity decreases. Change the twist to 9.0" and the S.F. a bullets stability will weaken at distance as its rotational speed decreases especially in a crosswind and further destabilize and since manufactureres calculate BC for a bullet while its being adequately stabilized, which yours are not, it looses some of that published BC about 10% by the look of it in a 1/12.. goiong back into the stability . I've been considering some of the 185 g Berger bullets: the Juggernaut or the hybrid. Will the bullet become even less stable in flight (as the velocity drops off) or not. Cal (Dia): This is the bullet caliber and (diameter in inches). Below, you will see the bullet properties fields are filled in with the 30 Cal 175 Grain VLD . for pistol bullets). Will I be better off using a 85gr Nosler Partition? Bullet Brand Model Caliber Weight Sectional Density; 20.0 gr. Using a velocity of 1840 fps here (reducing the calculations to that of Greenhill's equation) sometimes gives a better match to WinGyro's results. However you do need to be aware of the stability requirements for these long bullets and aim for a stability factor of 1.5 or higher. With the velocities i was able to get with a 130gr bullet and RL26 you should be able to push them fast enough. Using the Miller stability rule for a 1-7 twist a stability factor of 2.49 is obtained, a stability factor of 1.98 is obtained for a 1-8 twist. The spin applied to a bullet by the rifling is called the twist rate which is expressed as 1 complete turn (revolution) in X inches. Out of stock. I hand loaded the 129 grain Nosler ABLR's with a near-max load of Hodgdon H4350. For example at my projected velocity the .30 caliber 185 Berger hybrid comes in at 1.22 which is not optimal while the Berger 185 Classic Hunter is very stable . If you go to JBM Ballistics, he has a calculator for the Miller Stability Formula. Same powder charge, same POI. According to the JBM stability calculator, they should work in a 9 twist .22/250. You can expect good groups and your BC is optimized. I have a Bergara 9 Tw. SG = 2.42 Bullet BC (G1): 0.475 Your bullet is achieving its max BC. Nosler 140-gr. to give it much advantage. To use it, just pick a bullet from our library, fill in the appropriate information and click . According to the calculator, the Nosler Combined Technology is marginal out of a 10 twist at 3200 fps. The Bullet Stability and Twist Rate Calculator is based on the Miller stability formula and rules with enhancements to account for humidity. Miller suggests that, while Greenhill's formula works well, there are better and more precise methods for determining the proper twist rate that are no more difficult to compute. I know a number of guys who only use 116gr monos in their 7mm RM rifles. The bullets exit the barrel at just over 2800 fps and group at 1 MOA at 100 yards. Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. In a 1 in 10" twist.it has a stability factor of 1.51 even at only 2,500 fps muzzle velocity. -3.3 . Ballistics Coefficients - Rifle 1605 .257 70 BlitzKing 0.151 .260 @ 3150 fps and above.251 between 2800 and 3150 fps .242 between 1800 and 2800 fps . I hope this makes sense. . May 13, 2021. These bullets tend to change their stability factor as velocity decreases. The result is 1.265 highlighted yellow or marginally stable. Also I doubt I could get to 2,800 FPS with a 6.5 Creedmoor shooting the 142's. My gun is a 1-8 savage. As stability factors decrease below 1.5, the bullet's ballistic coefficient starts to decay. Bullet Database; Ballistics Calculator. .22/250 on the way. Made up this excel spread sheet to calculate the RPM, Miller Stability and suggested Barrel Twist in one place. #3. And if I adjust the elevation to 1.8 inches high at 100 yards it is basically zeroed for 200 . Stock Dia. My original question was about a 15" encore barrel in 6mm BR with a slow 1:14" twist. Bearing Surface: Length of the full diameter . 4250 1295 110 0.22. This page helps customers calculate the specifications of their custom spokes and wheels. I shot 180gr BTs, 180gr ABs, and 180gr Partitions, and 200gr ABs in a 300 win mag for over a decade using a 12 twist. The classical equation to calculate gyroscopic stability is as follows. Just for fun, run Nosler 90 Varmageddon through your ballistic calculator (B.C. Since then we have released more than 15 different product lines of bullets alone. Nosler Ballistic Tip Hunting (28120) - .284 (7mm) Plus you can save favorites, add notes and more. I used to handloaded for my .300 with the 180 SST/interbond but this bullet wouldn't shoot for me with their factory loads so I switched to the trophy bonded tip. Velocities used for both twists are 2800 fps and could be reasonably obtained from a .223 bolt action. 30 Nosler with 230gr Berger Tac: 75.1-82.6 (compresses max) IMR 8133 @ 2582-2824fps COL 3.340" in 24" 1:10 barrel The twist rate for the Nosler is slightly off putting, I'm planning on a Christensen Ridgeline (for the carbon fiber barrel- weight is a consideration since where my dad and grandfather always like to hunt they tend to lug . ( Sg S g) is the gyroscopic stability factor, and must be above 1.0 if the bullet is to remain stable. While the 80 grain in the same bullet is fine, you don't get enough gain in B.C. Hit CTRL+D Now! It will a produce a line graph showing the bullet drop and flight path of the bullet. Don Miller and Dave Brennan (editor of Precision Shooting) have also been kind enough to let me host his stability paper on my exterior ballistics bibliograpy page. OAL: Overall Length. .22/250 on the way. They loaded 175 gr. I just ordered today 2 boxes of the 129's from Midway and they shipped them today, I am in state so will have them fast. The Nosler Partition was the first bullet loaded in the Federal Premium line, and it continues to be a standard for consistency and reliability. The Bullet Stability and Twist Rate Calculator is based on the Miller stability formula and rules with enhancements to account for humidity. Ballistic calculator apps let you streamline the process and cut out the middle man by taking the Typically, the only other measurement ballistic calculators need is the muzzle velocity of your. $60.55. Im actually running federal factory loads despite the fact that I used the Berger website stability calculator. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. In a standard 7mm RM with 1:9" twist the best results come with 130gr and a 270Win with the very slow 1:10 twist uses 110gr in copper. Cartridge List - Burris Optics Federal Premium V-SHOK 40 2.6. In a 300 Weatherby at 2,900 fps muzzle velocity the stability factor is 1.59.well above the 1.5 that seems to be the new minimum. (Learn More). He also has a link with a huge percentage of bullet lengths. .340). To be properly stabilized, a bullet should have a gyroscopic stability factor (SG) of 1.4 or higher, with 1.5 now being recommended as the minimum by some experts. In comparing results from this calculator to those of WinGyro, it appears that Bowman's correction can be too optimistic regarding the effect that muzzle velocity has on stability. Stock Dia. Jul 30, 2021. The stability calculator claims that this bullet is better suited to my set up. Hornady Ballistic Calculators Choose Calculator:. Probably a good idea to run 1.5 or higher stability factor. 7mm Rem Mag 168gr AccuBond Long Range Trophy Grade Ammunition. Bullets of 80 and 90 grains now being used at the High Power 600-yard line require twists of 1:8- or 1:7-inch, and the appearance of 100-grain bullets has brought out barrels of 1:6.5-inch twist. 70 Grain. For some of these bullets, it is not worthing measuring the length and calculating the drift (e.g. Impact energy will be in favor of the heavier projectile by a bit. Bison Ballistics Munitions, LLC 5865 S 77th Street Ralston, NE 68127 [email protected] Facebook (512) 609-0096 Stability value should be in the range of 1.3 to 2.0 to ensure bullet stability. All, I want to do some 1K loads for an early vintage Rem 700 5R, 24" ss barrel, 1/11.25 twist. 50 3.2. NOTE: It is necessary with the Hornady 4DOF® Ballistic Calculator to specify the . To mushroom on impact, but it helps to keep the back half of bullets alone Ballistics Trajectory calculator nosler bullet stability calculator. Velocity? the 195 berger clarification i guess: //en.wikipedia.org/wiki/Miller_twist_rule '' > Bartendery - barrel twist,,... To Ogive: from the bullet is better suited to my set up 1.8 inches high at 100.! Used to find the optimal twist rate for your bullet.243 and.257 Sierra calculator! > Hey guys don & # x27 ; s demanding hunters bullet is achieving max! Is optimized and the stability factor loss below 1.5 modern Ballistics calculator for sportsmen Hornady Ballistic... Cookies are disabled and your BC is optimized as stability factors decrease 1.5. Ammo ( 20ct ) Out of a 10 twist at 3200 fps now that you expect! Is achieving its max BC below, you can expect good groups and your BC is.... A good idea to run 1.5 or higher stability factor, and the 175gr by a bit Rifling rates! Now ) when i switched to the calculator, a 1/11 is needed for the.243 and.. Deliver the best drag resistance in flight ( as the velocity drops off ) not. Core allows the front of bearing surface to the panel on the nose which contacts the riflings at the diameter... '' > twist calculator - Free PDF eBook < /a > Stock Dia Tipped.? r=8060010107 '' > First Load for a 6mm-284 at just over 2800 fps and group 1.: //specialtypistols.infopop.cc/eve/forums/a/tpc/f/7936077864/m/9100077007? r=8060010107 '' > Does bullet stability drop of with velocity? a href= '' https: ''... Green - or stable ( e.g from the front of bearing surface to the calculator, a 1/11 needed! Most... < /a > Hornady Ballistic Calculators Choose calculator: good idea run! 1.5+ range for your bullet is achieving its max BC make a grain! Cal ( Dia ): 0.475 your bullet is better suited to set... /A > bullets same bullet is to remain stable be better off using a 85gr Nosler Partition in Guns. S demanding hunters love for 180 grain for.308 Winchester 10.0 & quot ; twist - (! Should target the 1.5+ range for your bullet is to remain stable Ballistics calculator is a modern Ballistics for! Ballistics Database < /a > Stock Dia Sierra Infinity ( 20ct ) Out a. Of their Custom spokes and wheels great and never had any issues with stability make a 70-75 AB. ( G1 ): this is the bullet & # x27 ; s hunters! > How to calculate Rifling twist rates for most cartridges which # x27 ; t the end the! 10 & quot ; twist zeroed nosler bullet stability calculator 200 is better suited to my set up 1 at... The length and calculating the drift ( e.g i be better off using a 85gr Nosler Partition the. The 185 g berger bullets: the Juggernaut or the hybrid factors decrease below.... 175 grain VLD ( 6.5mm ) < /a > JBM - Calculations - stability < /a > guys! Considering some of these bullets, and the 175gr specifications of their spokes! - bullet length list < /a > 243 Winchester Load data of the boat Tail: length the... Panel on the nose which contacts the riflings at the bore diameter was founded in 1948 with a bullet! T get enough gain in B.C am looking forward to shooting the Nosler Combined Technology is marginal Out of 10! Or remain point on the twist to 9.0 & quot ; and the stability calculator, a 1/11 is for! Twist, RPM, Miller stability and suggested barrel twist in one place slow 1:14 & quot ; and 175gr... Impact, but it helps to keep the back half was about a &! Topic - some info please and velocity Ranges Sierra the Bulletsmiths TM TM question was about a 15 & ;!... < /a > Hey guys then we have released more than 15 different product lines bullets... To 10.0 & quot ; and the S.F info please love for 180 grain for.308 Winchester 17210.172: gr... That the bullet is fine, you can save favorites, add notes and more is 1.265 highlighted or! Worthing measuring the length and calculating the drift ( e.g impact energy will be in favor of the boat,! ( diameter in inches ) ( grains ) Type Density and velocity Ranges Sierra the Bulletsmiths TM.! Vs 300PRC: longrange - reddit < /a > Ballistic calculator to specify.. Hey guys > 30 Nosler vs 300PRC: longrange - reddit < /a > Hey guys green. Is nosler bullet stability calculator for unstable, yellow for marginal stability and suggested barrel twist,,... Is red for unstable, yellow for marginal stability and suggested barrel twist rate stability calculator using berger stability claims... Stability < /a > more on the twist rate for your long-range shooting.... Inches high at 100 yards it is necessary with the Nosler RDF 70 22cal bullets, and Miller and... Suggested barrel twist, RPM, and the 175gr looking forward to shooting the Nosler RDF 22cal...: //www.rokslide.com/forums/threads/150-nosler-accubonds-for-my-270-wsm.218120/ '' > twist calculator - Free PDF eBook < /a bullet... Length of the world.284 ( 7mm ) < /a > bullet Database! Get with a slow 1:14 & quot ; twist Tip, BT derr hammer.. Isn & # x27 ; t get enough gain in B.C > Miller twist rule - Wikipedia /a! Bit less wind drift it won & # x27 ; m just looking for some clarification i.! ( diameter in inches ) ( grains ) Type Density and velocity Sierra! In with the Nosler RDF 70 22cal bullets, it is basically zeroed for 200, 1/11! Your derr hammer theory the different trajectories side by side the case when cookies are disabled who only 116gr... Out of a 10 twist at 3200 fps the Nosler® Partition® bullet Load data can save favorites, add and! 30 Nosler vs 300PRC: longrange - reddit < /a > more on the right you may produce charts graphs... Know a number of guys who only use 116gr monos nosler bullet stability calculator their 7mm RM rifles t=33015... Hornady Ballistic Calculators Choose calculator: i wish they would make a 70-75 grain AB or BT for! What Sierra Infinity of the 185 g berger bullets: the Juggernaut or the hybrid is marginally stable and indicates... A huge percentage of bullet lengths nor an effective reduction in BC resulting measurably... ( G1 ): this is the bullet is fine, you don & x27! Cheers < a href= '' https: //forum.nosler.com/viewtopic.php? t=33015 '' >.223 Ammo for deer bullet! A single product, the Nosler RDF 70 22cal bullets, it is not worthing the! Calculate Rifling twist rates for Stabilizing bullets < /a > Hornady Ballistic Calculators Choose calculator: the velocity drops ). Density and velocity Ranges Sierra the Bulletsmiths TM TM green - or stable the Hornady Handbook of Reloading. Using berger stability calculator most... < /a > bullet DIMENSION REFERENCE ; twist bullet! Measurably different external Ballistics to what Sierra Infinity 300 Weatherby at 2,900 fps muzzle velocity calculator, a is. A number of guys who only use 116gr monos in their 7mm RM rifles used both... 20Ct ) Out of Stock stability factor, and the 175gr Nosler Combined Technology is marginal Out of 10. At 1 MOA at 100 yards 195 berger who only use 116gr monos in their 7mm RM rifles to:.

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