Jmb ballistics

Dandao Xuebao/Journal of Ballistics. Dandao Xuebao, also known as the Journal of Ballistics, is a leading scholarly publication dedicated to advancing the field of ballistics through high-quality research and academic discourse. Our journal has been a cornerstone in promoting knowledge exchange and fostering innovation in the dynamic realm of ...

Plastic Tip Length. Length of the plastic "ballistic tip" if it exists. Otherwise zero. Caliber. Diameter of the bullet. Muzzle Velocity. The velocity of the bullet as either (1) measured at some distance from the muzzle or (2) as estimated from reloading data. The on-line ballistics page can correct for the distance to chronograph. The JBM Ballistics engine utilizes Litz-derived Ballistic Coefficient (BC) values, based on field testing by Bryan Litz, a champion shooter, aerospace engineer, ballistician, and author of the highly regarded Applied Ballistics for Long Range Shooting. The BC is a measure of the capability of a projectile to overcome air resistance in flight.A modified (modified by R. L. McCoy) version of M. A. Morris' RARDLIFT code with corrections for small arms bullets and medium caliber cannon projectiles. Provides interim estimates of lift, overturning moment and yaw drag coefficients. Inputs are very similar to McDrag (above) but it does require the center of gravity location.Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Caliber (0.100 to 2.000 in) [0.308] [?] in mm.Ballistic's world renowned JBM ballistics engine delivers the gold standard in calculations that other applications compare themselves to. The FTE version of Ballistic includes all of the great features you'll find in the standard edition of the software, plus an advanced head-up display for mounted operation. The HUD provides real-time ...The twist rate (inches per turn) of the barrel. This value is used to calculate stability. It should not be confused with the required twist calculated by Bullet Drag. The diameter of the base of the bullet. For boattails, this is smaller than the caliber. The length of the boattail from the rear of the bearing surface to the base of the bullet.All of the JBM trajectory calculators allow the user to select the drop, windage and lead (if applicable) units. Drop units are either a length such as inches or centimeters or an angle such as milliradians (mils), inches/100 yards, cm/100 meters, etc. The length is a user input value.Ballistics calculations and formulas for small arms. Drag/Twist. Calculate drag and stability from bullet dimensions, weight, specific gravity and barrel twist.

Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Caliber (0.100 to 2.000 in) [0.308] [?] in mm.08-Nov-2019 ... Attempting To Hit Geoff Castellucci's Low Notes Using Second Subharmonics | G1 - F1. JMB Music•37K views ... Kentucky Ballistics New 938K views.Ballistics calculations and formulas for small arms. Recoil A list of variables are at the bottom of this page.. Recoil Velocity The forward momentum (sometimes written as impulse), that of the bullet and powder charge are given byBallistics calculations and formulas for small arms. Trajectory (Simplified) Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters.The angle of the tilt of the firearm to the right or left from vertical. Positive angles are to the right. Distance to Chronograph. The distance from the muzzle of the firearm to the chronograph used for muzzle velocity measurements. If the muzzle velocity is estimated, enter 0.0 for this value -- no correction.Used for sectional density and form factor calculation. Drag Function. The drag function for the enter ballistic coefficient. Velocity. The velocity at which the ballistic coefficient entered above is defined. If you only have one BC and no velocity information, use the average of the muzzle velocity and terminal velocity so that you get a new ...

JBM Ballistics has partnered with RIANOV to provide integrated ballistics solutions, including the M06 passive ranging calculator, the SOLO calculator and the CSI. The CSI is a new digital angle indicator giving both cant and slope (or cosine of slope). RIANOV™ CSI unit mounted to Remington 700 The Ballistic Edge is further enhanced by the data in the huge Ballistic Library, home to over 5,400 projectiles and factory loads. The Library is updated regularly to include new offerings. The Library and the JBM ballistics engine go to work the second a shooter begins to build his or her own Ballistic Bullet Profile. That Profile contains ...Or you could use JBM Ballistics.. Since you give no info about your load you'll have to use the supplied calculators to figure out your zero point. ... Hornady's website has the most user friendly, free ballistics calculator I know of. Very accurate if you do your part inputing correct numbers. Posted: 10/18/2012 10:18:19 AM EDT [#5] With 240 ...A ballistic table (also called ballistic chart, ballistic card, or data card), is a table containing a set of data regarding the external ballistics of an ammo or, to be more precise, of a particular bullet fired in particular conditions. The data contained in the table allows you to easier calculate the sight adjustments needed to shoot at ...

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7.62X39 Ballistic Charts and Cartridge Guide. Originally designed in 1943 by Soviets and then used heavily as a service rifle cartridge around the globe, the 7.62X39 is one of the most popular rifle cartridges in existence. It owes its performance in sales to the popularity of the rifles that shoot it. This short, 30 caliber cartridge has ...Pretty sure that was from the late 1990s, even before laser range finders were commonly available. JBM is free and pretty reliable. Apps I have used are Strelok Pro, Applied Ballistics and Hornady 4DOF. The Hornady app is free to download and use. It has a table of Hornady data preloaded, and you can manually add other ballets.The Ballistic Edge is further enhanced by the data in the huge Ballistic Library, home to over 5,400 projectiles and factory loads. The Library is updated regularly to include new offerings. The Library and the JBM ballistics engine go to work the second a shooter begins to build his or her own Ballistic Bullet Profile. That Profile contains ...Or you could use JBM Ballistics.. Since you give no info about your load you'll have to use the supplied calculators to figure out your zero point. ... Hornady's website has the most user friendly, free ballistics calculator I know of. Very accurate if you do your part inputing correct numbers. Posted: 10/18/2012 10:18:19 AM EDT [#5] With 240 ...The ballistic coefficient is represents the ratio of the drag of the standard (e.g. G1 standard bullet) bullet to that of the bullet you are shooting. A ballistic coefficient of 0.100 means that your bullet has 10 times the drag of the standard bullet. Bullet Length The length of the bullet.Weight: 3.1 oz. (88 grams) Display: LCD with Graphics - 16 Character x 3 Row. User Interface: 5 Button Keypad. Operating Temperature Range: -25°F to 140°F. Altitude Range: -1,600 feet to 29,600 feet (-300m to 9,000m) Barometric Pressure Resolution: 0.01InHg. Optical Ranging: >5,000 Yards.

This book, among other things, includes software and experimentally measured ballistic coefficients for 175 bullets. The bullets have been added to the JBM Bullet Library using the G7 drag function bullets measured by Bryan are denoted by " (Litz)" in the description. The G7 coefficients should give better calculations than the G1 coefficients ...To make one, first generate a come-up table, using one of the free online ballistics programs such as JBM Ballistics. You can also put the info in an Excel spreadsheet or MS Word table and print it out. Above is a sample of a data card. For each distance, the card includes drop in inches, drop in MOA, drop in Mils.A selection of bullets with different shapes, and hence, different ballistic coefficients. In ballistics, the ballistic coefficient (BC, C b) of a body is a measure of its ability to overcome air resistance in flight. 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.Ballistics calculations and formulas for small arms. Power Factor. Calculate Power Factor from muzzle velocity, bullet diameter and bullet weight.Ballistic Coefficient The ballistic coefficient for the bullet being used. It is almost always obtained from the manufacturer, but can also be measured. The ballistic coefficient is represents the ratio of the drag of the standard (e.g. G1 standard bullet) bullet to that of the bullet you are shooting.Used for sectional density and form factor calculation. Drag Function. The drag function for the enter ballistic coefficient. Velocity. The velocity at which the ballistic coefficient entered above is defined. If you only have one BC and no velocity information, use the average of the muzzle velocity and terminal velocity so that you get a new ...Northeast. Aug 16, 2015. #9. bigngreen said: Both jbm, shooter and G7 use the same basic solver so if you a large discrepancy between them you have an input issue and if you have to tweek a Berger g7 number in shooter for 1000 yards you have an issue with an input. I have also found this to be the case.Ballistics calculations and formulas for small arms. Recoil. Calculate recoil from muzzle velocity and bullet, powder and rifle weight.The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard rifle action. It is based on the .375 H&H Magnum, which has been blown out, shortened, and necked down to ...Ballistic calculator. Strelok is a ballistic trajectory calculator.Small, handy and accurate. Field-proven accuracy since 2001. Supports imperial (yards, feet, inches, etc) and metric units. MIL and MRAD - this is the same! Input all parameters, push... Lapua Ballistics. Lapua Ballistics is the ultimate 6DOF ballistics tool for mobile devices.

Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. It will a produce a line graph showing the bullet drop and flight path of the bullet.

Ballistic's world renowned JBM ballistics engine delivers the gold standard in calculations that other applications compare themselves to. iPad-Specific Features: NEW: iPad Air 2 internal ...In this video we will be going over how to calculate a firing solution for long range shooting using JBM ballistics. The targets engaged in the introduction ...Milliner, is among the world's greatest ballistic engines in existence. Used the contest shooters, hunters, and the service, this powerful ballistics archive delivers precision outcomes. The JBM engine also adds latest features similar as speeds accommodation for chronograph , perfect point blank range, up-wind (z-wind) correction, and midrange ...The ballistic coefficient is represents the ratio of the drag of the standard (e.g. G1 standard bullet) bullet to that of the bullet you are shooting. A ballistic coefficient of 0.100 means that your bullet has 10 times the drag of the standard bullet. Bullet Length The length of the bullet.For any bullet, the drag force must be the same no matter what drag function is chosen since the drag force is physical and depends on the shape of the bullet. This means that the following equation must be true. G (M)/C = G (M)/C. where j is a different drag function than i. This means that it is the ratio of the drag function and ballistic ...The distance above or below the line of sight. Listed in either inches, minutes of angle or mils (6400 mils per 360 degrees or 3.375 mils per MOA). Drop is positive above the line of sight and negative below the line of sight. Elevation.Ballistics calculations and formulas for small arms. Trajectory (Simplified) Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters.

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Ballistic Coefficient: 0.5 Bullet Weight: 220 grains Caliber: 0.308 Muzzle Velocity: 2600 f/s Sight Height: 1.5 in LOS Angle: 0 deg Cant Angle: 0 deg Wind Speed: 10.0 mph Target Speed: 10.0 mph Minimum Range: 0 Maximum Range: 1000 yd Range Increment:JBM Ballistics has partnered with RIANOV to provide integrated ballistics solutions, including the M06 passive ranging calculator, the SOLO calculator and the CSI. The CSI is a new digital angle indicator giving both cant and slope (or cosine of slope). RIANOV™ CSI unit mounted to Remington 700For any bullet, the drag force must be the same no matter what drag function is chosen since the drag force is physical and depends on the shape of the bullet. This means that the following equation must be true. G (M)/C = G (M)/C. where j is a different drag function than i. This means that it is the ratio of the drag function and ballistic ...To make one, first generate a come-up table, using one of the free online ballistics programs such as JBM Ballistics. You can also put the info in an Excel spreadsheet or MS Word table and print it out. Above is a sample of a data card. For each distance, the card includes drop in inches, drop in MOA, drop in Mils. It also shows drift …Topic covering the use of drop, windage and lead units in the JBM calculators. Elevation. A method for calculating trajectories for other than a zeroed range (or for changes in shooting conditions) using the constant elevation angle. Energy. A discussion of potential and kinetic energy with a worked example.Calculate a trajectory card from bullet, velocity, firearm and atmospheric parameters. Density is calculated using input density altitudes. Muzzle velocity is found by using linear interpolation between two velocities measured as a fuction of temperature. Explanation of terms. Notes (displayed at top of printout) [?]When using JBM Ballistics software, what is the correct drag factor or most accurate drag factor to use with let's say 185 grain Berger BT long range? Log in. Register. Home. Accuracy Ballistics Gear Reviews Long Range Shooting Marksmanship Precision Rifles Rifle Scopes Sniper Rifles. Featured.Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Caliber (0.100 to 2.000 in) [0.308] [?] in mm.The ballistic coefficient is represents the ratio of the drag of the standard (e.g. G1 standard bullet) bullet to that of the bullet you are shooting. A ballistic coefficient of 0.100 means that your bullet has 10 times the drag of the standard bullet. Bullet Length The length of the bullet.Ballistics calculators for iPhone/iPod Touch. By BigDave January 21, 2009 in Rifle - Technical. Share More sharing options... Followers 0. Recommended Posts ...JBM Ballistics has always been my go to for comparing ballistics, answering what-if questions, and more. Every time I try to open their web site, it just sits there and spins. Does anyone out there know what's going on? Thanks. Reply. sp6x6 Well-Known Member. Joined Dec 8, 2009 Messages 5,668 LocationSo, for these six loads, we fired five-round groups from a benchrest at 50, 100, 150, and 200 yards. We zeroed our rifle at 50 yards, so that’s our starting point. At 100 yards, the subsonic loads dropped more than 7 inches. The Stinger has about 50% more velocity and it only dropped two inches. Moving out to 150, the gulf between the fastest ... ….

Kestrel® 5700 Ballistics Weather Meter with Hornady® 4DOF®. Combining complete onsite environmental measurements with the precise trajectory solutions of the integrated Hornady 4DOF ® ballistics solver, this rugged all-in-one handheld unit delivers the convenience you want and the accuracy you need for long-range success under any conditions.So, for these six loads, we fired five-round groups from a benchrest at 50, 100, 150, and 200 yards. We zeroed our rifle at 50 yards, so that’s our starting point. At 100 yards, the subsonic loads dropped more than 7 inches. The Stinger has about 50% more velocity and it only dropped two inches. Moving out to 150, the gulf between the fastest ...JBM Ballistic: Standard Edition. Filed in iPhone Apps. Ballistic is the definitive ballistics trajectory calculator for the iPhone. Ballistic calculates trajectory, windage, velocity, energy, and bullet flight time for any valid range, and can compensate for atmospheric conditions such as temperature, barometric pressure, humidity, and altitude ... Ballistic is a highly-accurate ballistic calculator and range companion. With its advanced capabilities, Ballistic can calculate for atmospheric conditions, Coriolis effect, gyroscopic spin, and more. It's also much more. With a vast library of nearly 5,000 projectiles and factory loads, rangefinder, range log, and head-up display, Ballistic is ... Jochem Peelen, Books on Demand, GmbH, 22848 Norderstedt, Germany, 2006. ISBN10 3-8334-6697-9, ISBN13 978-3-8334-6697-7. A very nice book on common and uncommon drag functions. Book includes printout of computer code to model drag functions and choose drag function for a bullet. A must have for anybody interested in exterior ballistics.The JBM IDPA classifier application is a simple application for IDPA classifier practice. It allows the user to enter classifier times and points down and calculates the current classification. It includes the abbreviated classifer, the standard classifier and the pistol caliber carbine classifier. Data EntryBallistics calculations and formulas for small arms. Recoil A list of variables are at the bottom of this page.. Recoil Velocity The forward momentum (sometimes written as impulse), that of the bullet and powder charge are given byAccess the Applied Ballistics Online Calculator for free here. Applied Ballistics Analytics Package. The Applied Ballistics Analytics Package is the ultimate desktop Ballistics program. Using the Applied Ballistics solver, you can calculate ballistics based on G1 or G7 referenced BC’s as well as the full library of Applied Ballistics custom drag models. …There are now hardware solutions with JBM Ballistics solutions so you can have the same accuracy in the field without having to carry a bulky computer. These units solve the equations of motion and do not use approximate methods to find the ballistics solution. For more information, or to ...Trajectory (Simplified) Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Library (Select bullet or enter BC and Weight below.) [?] Jmb ballistics, what has happened to JBM ballistics, I use to use this site alot for checking different loads and calibers. As I am just getting started in LRH, It was a very helpful tool. And I really can't find anything in the archives. Hope someone can help! John, Ballistics Calculator - Free. BallisticsARC uses the JBM ballistic calculator, identical to both the Shooter and BallisticsAE apps. This is absolutely one of the most powerful ballistics engines out there, and it gives you the exact same computing you'd find in every other calculator on the market., Ballistic Coefficient (Time) Calculate a ballistic coefficient from initial velocity, time of flight and distance. Calculuated ballistic coefficient is displayed for selected drag function. Explanation of terms. Near Velocity (500.0 to 4800.0 ft/s) [3000.0] [?], Jan 16, 2018. Messages. 846. Sep 4, 2022. #1. Tested out some Hammers over the last few weeks, and thought I'd publish my findings on the ballistic coefficients. Tested using LabRadar and a Kestrel for environmentals. Used JBM Ballistics online calculator (click here). I shoot in a flat dirt field, so the LabRadar tracks exceptionally well, as ..., Ballistic Coefficient (Velocity) Calculate a ballistic coefficient from near velocity, far velocity and distance between velocity measurement points. Ballistic coefficient is calculated for input drag function., Toll-free numbers are free for callers, making them ideal for businesses. Learn how toll-free numbers work at HowStuffWorks. Advertisement With its infuriatingly catchy TV jingle a..., Trajectory Card. Calculate a trajectory card from bullet, velocity, firearm and atmospheric parameters. Density is calculated using input density altitudes. Muzzle velocity is found by using linear interpolation between two velocities measured as a fuction of temperature. Explanation of terms. Notes (displayed at top of printout) [?], I was under the impression that in order to calculate a bullet's ballistic coefficient, one had three choices: a) Muzzle velocity compared to and calculated against some "meaningful" downrange velocity b) "Point of Impact" Method c) Doppler Radar (a variation I assume of a), above) Now, it..., JBM Ballistics website you can create your own. Are you talking a generic drop chart for A171 or FGMM? 168SMK doesnt give you enough information velocity can play a huge part in the ballistic drop. If you are only pushing it at 2500 fps out of your gun your drop chart will look completely diffrent then if you are pushing it at 2800 fps., Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Caliber (0.100 to 2.000 in) [0.308] [?] in mm., The ballistic coefficient is represents the ratio of the drag of the standard (e.g. G1 standard bullet) bullet to that of the bullet you are shooting. A ballistic coefficient of 0.100 means that your bullet has 10 times the drag of the standard bullet. Bullet Length The length of the bullet., Budgeting articles give you tips for saving and spending your money wisely. Check out the Budgeting Channel at HowStuffWorks. Advertisement A dollar here, a dollar there ... it all..., Jan 4, 2011 · JBM Ballistics’ sophisticated algorithms deliver extremely reliable ballistics solutions. To complement its software, JBM plans to introduce a new hardware product: the BallistiComp. Laster this year, JBM will unveil its new BallistiComp, a portable handheld ballistics computer that measures atmospheric temperature and pressure . , The Ballistic Wind Kit uses the JBM ballistic engine's wind capabilities to allow shooters to account for nearly any possible wind situation. In fact, the wind kit allows users to quickly program the most complex wind scenarios. Most ballistic applications provide only calculations for a constant wind for the full shooting distance, such as ..., Ballistic calculator. Strelok is a ballistic trajectory calculator.Small, handy and accurate. Field-proven accuracy since 2001. Supports imperial (yards, feet, inches, etc) and metric units. MIL and MRAD - this is the same! Input all parameters, push... Lapua Ballistics. Lapua Ballistics is the ultimate 6DOF ballistics tool for mobile devices., Weight: 3.1 oz. (88 grams) Display: LCD with Graphics - 16 Character x 3 Row. User Interface: 5 Button Keypad. Operating Temperature Range: -25°F to 140°F. Altitude Range: -1,600 feet to 29,600 feet (-300m to 9,000m) Barometric Pressure Resolution: 0.01InHg. Optical Ranging: >5,000 Yards., Ballistic charts for hunting rifles detail the velocity, trajectory, bullet weight and other specifications for the caliber and model of each hunting rifle. Use a ballistic charts ..., Trajectory. Regardless of its bullet weight, the 9mm provides just the kind of flat trajectory that is most conducive to accurate shooting. Bullet drop tends to range from 10 to 12" at 100 yards. That's likely more distance than you'll need for self-defense. 9mm loads frequently deliver a muzzle energy greater than 300 ft lbs., JBM Ballistics website you can create your own. Are you talking a generic drop chart for A171 or FGMM? 168SMK doesnt give you enough information velocity can play a huge part in the ballistic drop. If you are only pushing it at 2500 fps out of your gun your drop chart will look completely diffrent then if you are pushing it at 2800 fps., The angle of the tilt of the firearm to the right or left from vertical. Positive angles are to the right. Distance to Chronograph. The distance from the muzzle of the firearm to the chronograph used for muzzle velocity measurements. If the muzzle velocity is estimated, enter 0.0 for this value -- no correction., 07-Oct-2021 ... ... ballistic parachute, retractable landing gear, Garmin avionics & a comfortable luxury interior. The VL3 being sold feature's a silver/dark ..., Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Ballistics …, The Ballistic: Advanced Edition app operates using the JBM ballistics engine and has a library of almost 5,000 different commercial and military projectiles and factory loads from leading manufacturers. The app can calculate for atmospheric conditions, Coriolis effect and gyroscopic spin and provides ballistic charts in which the user can ..., With a vast library of nearly 5,000 projectiles and factory loads, rangefinder, range log, and head-up display, Ballistic is a complete mobile companion for hunting or at the range. Ballistic's world renowned JBM ballistics engine delivers the gold standard in calculations that other applications compare themselves to. iPad-Specific Features:, Ballistic calculators were created precisely for training. They will be able to calculate for you what is worth considering at the moment, as well as can be a real sight for the rifle. We have found for you the best ballistic calculator apps for Android & iOS. List of reviewed apps: 1. Lapua Ballistics., α' = cos -1 (cos (ε)/ [sin 2 (ε)*sin 2 (β) + cos 2 (ε)] 1/2 ) The two equations for ε' and α' give the new elevation and azimuth angles. To correct for canted drop and windage, one only need to take the difference between the initial elevation and the canted elevation and multiply by range., A modified (modified by R. L. McCoy) version of M. A. Morris' RARDLIFT code with corrections for small arms bullets and medium caliber cannon projectiles. Provides interim estimates of lift, overturning moment and yaw drag coefficients. Inputs are very similar to McDrag (above) but it does require the center of gravity location. , Jul 22, 2010 · With a vast library of over 2,800 projectiles and factory loads, range estimation calculator, and a range log, Ballistic is a complete mobile companion for hunting or at the range. Ballistic’s world renowned JBM ballistics engine delivers the gold standard in calculations that other applications compare themselves to. , JBM Ballistics has partnered with RIANOV to provide integrated ballistics solutions, including the M06 passive ranging calculator, the SOLO calculator and the CSI. The CSI is a new digital angle indicator giving both cant and slope (or cosine of slope). RIANOV™ CSI unit mounted to Remington 700 ..., I want to adjust the elevation turret so that the rifle will be sighted at 100yds. According to JMB ballistic trajectory calculator when sighted at 25yds my 55gr bullets with a sight height of 2.8inches and traveling at 3000fps at the muzzle. will be 6.8inches high at 100yds. The calculator has a parameter called "zero height"., For any bullet, the drag force must be the same no matter what drag function is chosen since the drag force is physical and depends on the shape of the bullet. This means that the following equation must be true. G (M)/C = G (M)/C. where j is a different drag function than i. This means that it is the ratio of the drag function and ballistic ..., The external ballistics were calculated using JBM Ballistics. Bullet data such as BC (ballistic coefficient) uses data from the JBM Ballistics bullet library using "Litz" values when available. Muzzle velocity assumptions are shown in the tables, and the following environmental parameters were used for all calculations: 0 feet altitude, 60. ..., Below is a trajectory table to illustrate a MPBR zero. The example used is a .22-250, shooting a 50 gr. Vmax at 3700 fps. A typical example of a fairly flat shooting factory rifle. This table was calculated using the JBM calculator linked above. The MPBR for the above example is 284 yards, with a 246 yard zero.