Jbm balistics

This paper describes the internal, external, and terminal ballistics of the 30-06 rifle cartridge. With cartridge case capacity of 68-70 grains of water and operating pressures up to 60,000 psi, the 30-06 launches 110-220 grain bullets with muzzle velocities between 3400 fps and 2400 fps, respectively.

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 …6mmBR.com is the best guide for 6mm BR Benchrest precision shooting, complete with 6BR FAQ, Reloading Data, Shooter Message Boards, Reader Polls, and Photo Gallery. Match event calendar and rifle competition accuracy training tips. Equipment reviews (.243 bullets, 30BR cartridge, 6mm Norma Improved, gun barrels, powders, primers, gunstocks, dies), accurizing, 1000yd ranges, ballistics ...Recoil is bison balistics Ab g7's Hornady calculator 10mph wind 7000ft default environment 6.5prc 153.5 berger .349g7 (or156 or 150smk) 2850fps Less recoil Brass and ammo on the shelf Better barrel life Same wind drift at 1000yrds More bullet to do more work Only gives up ~125fps at 1000yrds.25-7prc 133berger .311g7 3150fps 6um 115dtacnr .292g7 ... 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. JBM Ballistics stability calculator doesn't take into account the hollow point occupied by plastic tips, so it could calculate instability when in fact the bullet stabilizes fine. Not sure if AB subtracts out that void or not. Form has pointed out the 95 TMK was designed for elk hunting out of standard twist .243 Win rifles.This is a 7.62x39 ballistics chart (external) generated using our ballistic trajectory calculator. This round is most used in AK-47s and their variants.. The average 7.62x39mm bullet is something like a 123 grain that is fired at an average of at 2,350fps The charting below follows the trajectory all the way to 1000 yards in steps of 50 yard ...Both Winchester and JBM ballistics have fairly comprehensive libraries with all of this information included with particular Winchester cartridges or bullets in the case of JBM Ballistics. The final piece of information you'll need is the height of the center line of your scope over the rifle bore. In most modern firearms this ranges from ...Ballistics calculations and formulas for small arms. Ballistic Coefficient (Velocity) Terms Input Data Altitude Used in estimating the atmospheric conditions.

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.Nov 13, 2012. 126. 97. 53. Houston, TX. Aug 17, 2020. #6. jbailey said: I ran JBM's "Danger Space" calculation for a 6mm 105gr Berger Hybrid at 3050fps vs a 6.5mm 140gr Berger Hybrid at 2900fps (both these are common loads), and the 105gr had a ~2yd wider "Danger Space" out to the 1000yds that the app solved for.Kestrel HUD Heads Up Display for 5700 Ballistics Weather Meters Add to Compare. $449.00. Add to Cart. "The Kestrel Elite is the absolute best tool for long range shooting since the inception of wanting to reach further. Not only the best tool for the LR community but a great learning tool. I spend hours testing my theories and learning more all ...Many modern ballistics programs, including the free online JBM Ballistics Program, are able to use BCs referenced to G7 standards. When available, these BCs are more appropriate for long range bullets, according to Bryan. [Editor's NOTE: BCs are normally reported simply as an 0.XXX number. The lb/in² tag applies to all BCs, but is commonly ...Terminal ballistics: the study of the interaction of a projectile with its target, whether that be flesh (for a hunting bullet), steel (for an anti-tank round), or even furnace slag (for an industrial slag disruptor)." ... JBM Ballistics, Thanks to krung. Last revised by .PharMerica has confirmed hackers accessed patient Social Security numbers and sensitive health insurance information. One of the largest pharmacy service providers in the United St...Most ballistics software programs will calculate MPBR for any given bullet and velocity. If you don't have your own ballistics software program, there are excellent calculators available to use for free at the JBM Ballistics website. ... This table was calculated using the JBM calculator linked above. Calculated Table MPBR: Range (yds) 50 ...

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.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 LibraryWhen 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.Ballistic is the definitive ballistics trajectory calculator for iOS devices, intended for serious shooters who want a serious (and seriously accurate application). Ballistic calculates trajectory, windage, velocity, energy, lead, and bullet flight time for any valid range. Ballistic can compensate for atmospheric conditions such as temperature ...Applied Ballistics for Long Range Shooting Bryan Litz, Applied Ballistics LLC, 2009. Lots of good information here including accurate measurements of G7 BCs for a number of long range bullets and a ballistics software CD. Ballistic of the Future, J. M. J. Kooy and J. W. H. Uytenbogaart, McGraw-Hill Book Company, Inc.

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JBM is working on some iOS applications including a ballistics calculator. There are currently no plans to support Android systems. IDPA Classifier A simple iOS application for entering and tracking IDPA classifier progress.Lapua Ballistics is the ultimate 6DOF ballistics calculator for mobile devices. It's the first mobile ballistics app utilizing the 6DOF calculation model, which makes it the most accurate ballistics app on the market. With Lapua Ballistics, you can calculate trajectories, range, bullet drop, turret adjustments and more to help take that ...Kinetic energy is a function of the bullet mass and motion. This motion involves the velocity and rotations. It is represented by the following equation. KE = 1/2 M v 2 + 1/2 I w 2. NOTE: this assumes a single rotational axis and forward motion of the bullet. For multiple rotations and non-symmetric bodies, things get a little more complicated.Ballistics calculations and formulas for small arms. Integration A number of people have asked how to integrate the equations of motion with and still find the parameters of the trajectory at even yards (or meters).

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. Drag/Twist. Calculate drag and stability from bullet dimensions, weight, specific gravity and barrel twist.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 ...The ballistic calculator will provide all the variables of your shot at a provided range. To use the calculator, simply fill in the input values (blank white boxes) in the large black box. By default, we only need four values to give you a good idea of how your shot will behave: target range, bullet weight, muzzle velocity, and ballistic ...Temperature: 0°F. Pressure: 29.92 in Hg. Relative Humidity: 30%. With the same 6.10 MOA elevation angle. The difference is that for the hunting trajectory, we are going to input this elevation angle and not have the calculation find a new elevation angle for us, so uncheck "Elevation Correction for Zero Range".- Mil-Dot ballistics head-up display. Standard Edition Features: - World renowned JBM ballistics engine for the most precise, accurate calculations in the industry. - Load Library: Nearly 5,000 commercial and military projectiles and factory loads from leading manufacturers or specify your own projectile properties.Ballistics calculations and formulas for small arms. Trajectory μCard. Calculate a trajectory card from bullet, velocity, firearm and atmospheric parameters.- World renowned JBM ballistics engine for the most precise, accurate calculations in the industry - Select from a library of over 1,500 commercial and military projectiles and over 1,400 factory loads from leading manufacturers or specify your own projectile properties. Includes latest 2009 commercial data and military coefficients ...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 LibraryTrajectory (Drift) Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Library (Select bullet or enter BC and Weight below.) [?]AB Analytics Package. $ 200.00. 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. The state of the art solver combined with laboratory ...

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 ...

April 4th, 2007 Free Ballistics Programs. On AccurateShooter.com's Ballistics Page, you'll find the excellent JBM Ballistics program.This not only calculates bullet trajectory with great precision, but will also output clicks so you can create your own "come-up" chart to keep with your rifle.Ballistics Calculator. Bullet Library. Select a bullet from the list or enter in the properties below. Bullet Properties. Diameter. inches. Weight. grains. BC.External ballistics or exterior ballistics is the part of ballistics that deals with the behavior of a projectile in flight. The projectile may be powered or un-powered, guided or unguided, spin or fin stabilized, flying through an atmosphere or in the vacuum of space, but most certainly flying under the influence of a gravitational field ...Its effect is negligible at medium distances, but becomes important around 1000yds and beyond, especially because it can add to other minimal errors and keep you off target. Coriolis effect affects everything not firmly attached to the Earth’s surface. It affects fluids, like air and water, as well as floating and flying objects like ships ...If you love eating steak at home, you’ve probably got a foolproof method for cooking yours to perfect tenderness. But what if you arrive at the butcher only to discover that your f...JBM Ballistics is a powerful ballistics calculation tool, but it does have some limitations: first, it doesn’t calculate Coriolis effect; second, it doesn’t have separate columns for spin drift (which is calculated with wind drift) and uphill/downhill. For now, we will set aside Coriolis, spin drift, and uphill/downhill calculations.Ballistics calculations and formulas for small arms. Trajectory (Simplified) Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters.

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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. Ballistics AE (Advanced Edition) is the most popular iOS ballistics program for many good reasons. Full-featured and easy to use, Ballistics AE has been refined over many years, and it supplies rock-solid solutions derived from JBM Ballistics solver (created by James B. Millard).Don't go phoning it in. Are we still in a Golden Age of Television? That’s up for debate, but’s become clear that the Golden Age of Television Content Providers is ending. Last Jul...Ballistic Tip™ Spitzer 2.2 9 V-Max™ 1.9 10 Match Hunting VLD 1.8 11 A-Tip™ Match 1.7 12 Accubond Long Range Spitzer (G7) 1.5 13 Tipped Triple-Shock™ X Boattail 1.4 14 Long Range Hybrid Target 1.4 15 Long Range X Boattail 1.3 16 Accubond™ Spitzer 1.3 17 EOL Elite Hunter 1.1 18 Tipped MatchKing™ 1.0 19 Scenar 1.0 20 CX™ 1.0 #Rinsing your mouth with saltwater can help with a number of issues. Here's how to do it properly. This post is part of our Home Remedy Handbook, a tour of the landscape of home rem...May 18th, 2011 JBM-Powered Ballistics Software for Apple iPads. A dedicated iPad version of Ballistic ('Ballistic' App), a full-featured ballistics calculator for the iPhone, is available for the growing numbers of iPad users. As with the iPhone version, 'Ballistic' App for the iPad is "powered by JBM Ballistics" so it offers very precise solutions — typically, at 600 yards, JBM ...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 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.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.Credit Suisse analyst Stephen Ju initiated coverage on Global Business Travel Group Inc (NYSE:GBTG) with an Outperform rating and ... Indices Commodities Currencies ...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 angle actually displayed for the up-tilted rifle is a true 5.07 degrees (above horizontal). Using JBM Ballistics, we calculated 5.07° as the angle that would produce a 3000-yard impact with a 185gr .30-caliber bullet launched at 2850 fps MV. That would be a moderate "book load" for a .300 Win Mag deer rifle. ….

That wasn't what I see when I run the numbers on JBM ballistics. It looks like the 69gr bullets at 2850fps goes sub-sonic betwixt 700 & 800 yards on the JBM website. I have shot the 69's and the 77's both at 600yds and there is a very noticible difference in how they act in the wind though I've shot some good scores at 600yds with the 69's.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 ...JBM is a free online provider for ballistics calculators. To determine the ballistic coefficient, the trajectory predicted with a given muzzle velocity (feet per second) needed to be calculated first. In determining the velocity at 200 yards the atmospheric conditions of altitude (ft.), humidity (%),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 ...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 …Ballistics calculations and formulas for small arms. Bullet Lengths I am in the process of adding bullet lengths to the library so that the drift can be easily calculated.- World renowned JBM ballistics engine for the most precise, accurate calculations in the industry - Select from a library of over 1,500 commercial and military projectiles and over 1,400 factory loads from leading manufacturers or specify your own projectile properties. Includes latest 2009 commercial data and military coefficients ...The distance from the point of the first velocity measurement to the point of the second measurement. This is the distance between the two chronographs. Drag function. A drag function (or G function) provides the forces on a standard bullet for which the drag function was derived. A bullet's ballistic coefficient then relates the drag on any ...PharMerica has confirmed hackers accessed patient Social Security numbers and sensitive health insurance information. One of the largest pharmacy service providers in the United St... Jbm balistics, Calculation of the sectional density is straight forward. For a 300 grain, .338 caliber bullet, the sectional density is: SD = [ 300 gr / (7000 gr/lb) ] / [ 0.338 in ] 2 = 0.375 lb/in 2. NOTE: With the common definition of the sectional density, the units have to be converted when used with drag functions, velocity, etc, to convert the in 2 to ..., CO. I think you will find that Applied Ballistics is probably the most well regarded. My personal opinion is that Strelok would be next over the apps you mentioned. Be careful comparing two dissimilar things that appear to be similar. For example I was messing with my Kestrel elite and comparing some data to Strelok+ at 100 yards., Modified Point Mass Trajectory. Calculate a modified point mass trajectory from bullet, velocity, firearm and atmospheric parameters. Explanation of terms. Ballistics calculations and formulas for small arms., Since not everyone has a pressure measuring device, some ballistics calculators (like the popular JBM Ballistics) let you input corrected pressure and an altitude so that it can convert the corrected pressure to an absolute pressure. I don't recommend doing this. First, because a corrected pressure from an airport nearby will always be less ..., JLK 180: .330lb/in2 Many modern ballistics programs, such as the JBM Ballistics Program online, can use BCs that are compliant with G7 standards. Bryan says that these BCs are more suitable for long-range bullets when they are available. [Editor's Note: BCs are usually reported as a 0.XXXX number. The lb/in2 tag is applicable to all BCs but ..., Southwest is continuing its apology tour with free points. The airline’s latest offer to customers is a bonus of 25,000 points. Increased Offer! Hilton No Annual Fee 70K + Free Nig..., Trajectory μCard - Wind Only. Calculate a windage 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., Jbm Ballistics Data Jbm Ballistics Data. By BigDave November 17, 2006 in Rifle/Shotgun. Share More sharing options... Followers 0. Recommended Posts. BigDave. Posted November 17, 2006., Read reviews, compare customer ratings, see screenshots, and learn more about JBM IDPA Classifier. Download JBM IDPA Classifier and enjoy it on your iPhone, iPad, and iPod touch., I had QuickTarget and JBM Balistics do some simply trajectory calculation for me with my 30-40 Krag using an NOE 311-202-RN at 1760 fps (chronographed)… QT says +2.3" at 50 yards for a 150 yard zero. JBM says +2.1" at 50 yards. These numbers are basically the same… Yet, when I actually shoot at 150 yards with the impact of ~2.3" high at 50 yards, I am about +2.5" at 150 yards…, JBM Ballistics (JBM), based in Las Cruces, NM, has provided free online ballistics info for the past 15 years. 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 ..., 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 ..., Ballistics calculations and formulas for small arms. Trajectory Card. Calculate a trajectory card from bullet, velocity, firearm and atmospheric parameters., 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 ..., JBM Ballistics (JBM), based in Las Cruces, NM, has provided free online ballistics info for the past 15 years. 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 ..., JBM - Ballistics - Calculations. Thread starter mbianchini; Start date Jan 25, 2003; Help Support Long Range Hunting Forum Become a supporting member. M. mbianchini Well-Known Member. Joined Dec 3, 2002 Messages 127 Location Bridgeville, PA. Jan 25, 2003 #1 Is this page still available? The page will not load., 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 ..., Lapua Ballistics is the ultimate 6DOF ballistics calculator for mobile devices. It's the first mobile ballistics app utilizing the 6DOF calculation model, which makes it the most accurate ballistics app on the market. With Lapua Ballistics, you can calculate trajectories, range, bullet drop, turret adjustments and more to help take that ..., If checked, the windage is changed to make the bullet cross the line of sight at the zero range -- zero windage at the zero range. Wind Angle. The angle of the wind relative to downrange (0 degrees), 90 degrees is to the shooter's right, 180 is a head wind, and 270 degrees is to the shooter's left. Wind Speed 1, 2 or 3., 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 ..., 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., Then I went to the JBM online ballistics calculator and punched in Hornady's numbers. At 500 yards, the 6A drops 52.9 inches and the 65CM 54.2. 6A shoots flatter at 500 yards by 1.3 inches. At 500 yards, the 6A drifts, in a 10 mph wind, 18.6 inches and the 65CM 15.6. 65CM drifts less at 500 yards by 3 inches., Just a basic comparison on JBM ballistics given the standard MV's off the box of all three in a 10mph 90* wind gives the 120 eldm a 6+ moa advantage at 1000 yards and the windage is less than 1.5 moa difference between the three. I do not have my rifle yet to compare the three, but I am interested in opinions in regards to the three., Sniper's Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper's Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics. Threads. 473,151., 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 …, Further more, some manufacturers (Lapua) are skipping the ballistic coefficient and drag function all together and releasing tables of drag coefficient versus mach number. Drag Force The relationship between different drag functions and their ballistic coefficients can be shown using the following equations., This video tutorial shows the process of using JBM ballistics to calculate the drop data needed to fill in our ballistic table templates. There are many dif..., 74. Apr 23, 2011. #2. Re: JBM and Stability. * Stability. Calculates the Miller stability factor. This formula was derived by Don Miller and published in Precision Shooting. This formula is much better than the antiquated Greenhill's formula. Stability value should be in the range of 1.3 to 2.0 to ensure bullet stability., Ballistic is a fast, highly-accurate ballistic trajectory calculator and range companion for the iPhone. Currently $3.99 US. Ballistic_XLR. A modified Pejsa model implemented in a spreadsheet. Free. Ballistic Explorer by Oehler Research. External ballistics programs for DOS and Windows with demo. $60-$70. Ballistik Pro 1.1., Shareware exterior ballistics software, $10 Registration Fee. There is also a group size calculator, also $10. Web Based; BBT P-Max Inernal Ballistics Simulator This is a free, online, internal ballistics simulation program. Handloads.com An online trajectory calculator. They also have a recoil and energy calculator. JBM Small Arms Ballistics, 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. Explanation of terms. Near Velocity (500.0 to 4800.0 ft/s) [3000.0] [?] ft/s m/s. Far Velocity (500.0 to 4800.0 ft/s) [2900.0] [?] , There is anecdotal evidence that (1) plastic-tip or hollow-base bullets may have larger errors, and (2) the velocity correction above 3600 ft/sec may predict faster twists than needed. Improvement must await new twist-stability factor data. Don Miller 2862 Waverly Way Livermore, CA 94551 [email protected]., The 300 PRC (Precision Rifle Cartridge) makes long range, mid-range! The 300 PRC is an intelligently crafted 21st century magnum cartridge specifically designed to take advantage of long, heavy for caliber bullets capable of delivering the highest levels of accuracy and aerodynamic performance. Based on the 375 Ruger cartridge case, the 300 PRC ...