2020 Sierra Bullets We analyzed 6 different loads for each cartridge (the proper way to read that sentence is Jim sat at a computer for WEEKS putting data into very complicated Excel sheets) to come out with an average of what several common loads for each cartridge will accomplish. Trajectory for Custom .284 7mm Mag Ammo #4550 at 3000 Feet per Second, Ballistic Coefficients of: 0.545 0.515 0.515 0.515 0.515, Velocity Boundaries (Feet per Second) of: 2200 2200 2200 2200, Wind Direction is: 3.0 oclock and a Wind Velocity of: 10.0 Miles per hour, Wind Components are (Miles per Hour): DownRange: 0.0 Cross Range: 10.0 Vertical: 0.0, The Firing Point speed of sound is: 1120.27 fps. Looking at a fierce CT rival with 20 in 7 PRC. Privacy Sample Trajectory showing the bullet path crossing the line of sight.Because gravity causes the bullet to drop, the longer a bullet takes to reach its target, the more time gravity will have to pull it towards the earth. I was finally able to connect on a billy at 575 yards, but with a quartering 15 mph wind. Mag. For over 70 years Sierra Bullets has been dedicated to the manufacture of the most accurate bullets in the world. Red Oak, White, or Chestnut for Deer Herd? Here is the above load showing the trajectory out to 500 yards based on those optimum sight settings: At 500 yards this bullet is only 29.14 inches low! Ok but im kind of confused with a heavier bullet wouldnt it just drop faster??? I just ordered a Chistensen Arms Long Range Mesa in 7mm PRC. Ive got it sending the 162 grain ELD-X 3200 FPS. Ballistic Programing/Custom Turrets:If you are buying a ballistic range finder or kestrel we will program the ballistic computer for you so everything is ready upon arrival. I always run a suppressor would like to see 20 with suppressor vs 24 with break. All three are excellent choices for long-range hunting ammo.. Your email address will not be published. Corriolis effects from the earths rotation also needs to be compensated for. We all understand how gravity works, and with the additional corrections for atmospheric conditions, a bullet's drop is easily calculated. For this load, I chose the 195 Berger EOL and loaded it to max COAL of 3.34. Your email address will not be published. This should get me real close when I go to shoot. The highest being the 180 grain 7mm. She looks like a real keeper to me. Because the 7mm shoots the lighter bullets at higher velocities, it is better suited to the law enforcment arena than the .300. If your max is 400-yards and the deer is moving, perhaps stick to 200-yards. .270 Winchester Short Magnum, .30 M1 Carbine, .300 H&H Magnum, .25-06 Remington, .284 Winchester, .224 Weatherby Magnum, 7x57mm Mauser, .250 Savage, .405 Winchester, .45 Colt (often called .45 Long Colt), .375 Dakota, .375 Remington Ultra Magnum, 6.5mm Remington Magnum, .500 Smith & Wesson Special, .375 Holland & Holland Magnum. Your rifle will be sent over to Evolved Munitions LLC who will then begin the load development process. The flattest-shooting popular rifle cartridge at 1,000 yards is the 6.5-300 Weatherby Magnum, followed by the .26 Nosler, the .28 Nosler, the .22 Creedmoor, and the 6.5 Weatherby RPM. As an Amazon Associate I earn from qualifying purchases. Would also mention- at THAT range, your ability to "read the wind" becomes critical. Thank you. 7mm Remington Magnum The 7mm Remington Magnum has long been a favorite of Western hunters, providing flat-shooting performance like the .270 Win. Those are definitely numbers that need to be accounted for, but most sophisticated methods for long range shooting handle these changes easily. The second, and in my opinion, the most difficult to compensate for is wind deflection. This is great. Starline Brass has plans to produce these cases in the future. As you can see from the above table, the 7mm PRC is most similar to the Gunwerks 7 LRM. I hope brass makers continue to make 7mm STW brass. If you throw a big rock, it puts a big hole in the ground, but doesn't go so far. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. These guys have 7mm rem mags taking elk at 900+ yards. Any recommendations Obviously there are always going to variances within rifle cartridges and bullet construction. Since this new cartridge has been announced, Ive talked with my contacts at many of the major rifle manufacturers and have been surprised by how many of them are extremely frustrated with working on PRC chamberings in their rifles. RCC brass and Manson reamer. 7mm Ballistics Examined For this ballistics demonstration we are using Norma 150gr Scirocco with a muzzle velocity of 3117fps and a ballistic coefficient of 0.536. Youtube is full of those videos. When I first shot the 7 PRC in a lightweight rifle, I was surprised by the stout recoil; however, adding a muzzle brake or a suppressor tames the rifle dramatically. Ballistics and Drop for the 7mm Remington Magnum Cartridge Type: Rifle Height: 2.5" Width: 0.532" Average FPS: 3024 Average Energy: 3106 Average Gr: 153 Recoil: 2.06 Power Rank: 4.63 of 20 In the 1960's Remington created the 7mm Remington Magnum based of the 375 H&H cartridge design. While I like and support new cartridges, does the PRC provide anything new? Unfortunately, no. This is again shooting the 175gr ELD-X bullet out of 24 test barrel with a large magnum CCI primer. And were you making your own brass or using RCC machined brass? Hopefully with its introduction it will make SAUM brass easier to find because more people will go for the PRC moving forward. Re#26 69 grs pushes a 162 gr A- max 3225 fps. Or wait and hope it stops for a few seconds. Its an incredibly popular cartridge, but over time, I expect the 7 PRC to overtake it.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'backfire_tv-box-4','ezslot_7',175,'0','0'])};__ez_fad_position('div-gpt-ad-backfire_tv-box-4-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'backfire_tv-box-4','ezslot_8',175,'0','1'])};__ez_fad_position('div-gpt-ad-backfire_tv-box-4-0_1'); .box-4-multi-175{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:15px !important;margin-left:auto !important;margin-right:auto !important;margin-top:15px !important;max-width:100% !important;min-height:250px;min-width:250px;padding:0;text-align:center !important;}. Ballistic Profile Specifications: Scope height, velocity, twist rate, and all ballistic data to include bullet Ballistic Coefficient (BC), powder charge, Base to Ogive, and Cartridge Overall Length will be provided with the package. Personally, my load for the 175 ELD-X in the 7mm PRC will be 64gr of H4831SC, which should yield around 2,925fps. Suggested 7mm Rem. However, the 7mm PRC shot on average 105 fps faster. Its a direct thread. How does the 7mm Rem Mag achieve such ballistics? We carefully monitor the velocity until we see a significant increase (30-60 fps) which usually takes around 40 to 60 rounds. After that velocity diminishes very quickly. Very impressive ballistics. The other major factor is bullet availability. con canna da 50 inch. The 30 caliber 165 grain Barnes TSX would have to be fired at 4100 fps muzzle velocity to maintain 2000 fps velocity at 1000 yards. Far shots start to need a lot of compensation for bullet drop and wind drift to make an ethical shot on a game animal. This package can be added onto any rifle bought through Evovled Ballistics. Someone forgot the grand daddy of 7mm mags! In addition to expanding reliably, a bullet must carry sufficient energy to take down the animal. Hi Jim, Im a follower on YouTube, I really enjoy all of them. Count me in as a 7mm STW shooter. Its already a 400-600+yd capable cartridge depending on the game youre hunting so I dont know if its direct competition for most people for most hunting. This bullet has massive power, and a really flat trajectory allowing this bullet to hit targets much further away and with more power. Ok went out with new 7 PRC rifle. Please let me know how it can be improved upon. Did you supply or install the muzzle device or did you get one from Preferred Barrels? Im looking for a new elk rifle and am very excited about this new caliber. The data in the following table contains averages for each cartridge. Better to pass on a questionable shot. Every hunter needs to read this and understand the real limitations of their ammunition. Not all bullets are Max-Range bullets. You have stated several times you would not use 6.5 Creedmoor or 6.5 PRC for large game like elk. I reload and would be VERY interested in learning more about being able to use less powder to achieve higher velocities with the the same bullet in 7 PRC vs 7 rem mag. I highly recommend Preferred Barrel Blanks for this job. Worked up load with 195 bergers. We've measured the reference system to be on the order of eight inches at 1000 yards, but because of its exponential dependency on time of flight the 1500 yard drift could be as much as five feet! As we examine the drop and deflection of a bullet it becomes apparent that BC and velocity are very important parameters for shooting at long range. If you want to knock it down.. use a 7mm. Interestingly, I loaded 61.2 grains of H4831SC in a 7mm Remington Magnum, and a 7mm PRC. By adding trajectories to the panel on the right you may produce charts and graphs that show the different trajectories side by side. The Fora platform includes forum software by XenForo. It is on the upper end of what most large adult shooters can comfortably tolerate. The cool thing is that Preferred Barrel Blanks does prefits for just about any action you already have. Commissions are earned for links to Brownell's, Amazon, MidwayUSA, GoHunt, OpticsPlanet, Sportsman's Warehouse, and other retailers. che velocit riesci ad avere? Backfire LLC owns and operates this website. The reason that the bullet deflects, is because its initial flight path or direction is different from the wind vector and resulting bullet attitude. Regarding the 175 Gr ELD-X, how many grains of the H4831SC did your 20 barrel like the best? 1400 W Henry St The following improvements will be made: Please sign up for our newsletter so that you can be alerted the moment these new features are launched! Your build is the route Im thinking of going. An inch is no big deal even if you're shooting squirrels in the head. Max range 600yard, would like to shoot the 180s. I contacted you about my 6.5 Fierce CT Rival that was having extraction and barrel pressure problems like you were. Love the Channel!!! Further comparison shows that is flies faster than either of the 3 other rounds, and only the 270 Win beats it in terms of average power, but the 7mm is the victor in the average energy as well having 3106 lbs of force from muzzle. The higher the number, the better down range velocity retention. grazie, Hi Jim, I hunt in the Alps area in Italy, I walk a lot and would like a light weapon. Backfires Youtube channel was the first publication to break the story of the cartridges SAAMI approval, and Backfire was also the first group to build a 7mm PRC and show it to the public. And shoot 168 Barnes tipped triple shock bullets along with Berger VLD at same weight and load. The 7mm Precision Rifle Cartridge is a long-action centerfire rifle cartridge designed to shoot 180 grain bullets at 2,950 fps. If you would like more information about any of these topics in an easy to understand format, try Robert Rinker's Understanding Firearm Ballistics. Obviously, there are many technical differences between the two, but they do fill a nearly identical hole in the market. Then our errors are within the accuracy potential of our hunting rounds. Unlike a load data book from one of the ammunition companies, I am not measuring pressure with a computer. If you're targeting large and dangerous game, those heavier bullets certainly make a difference. Couple questions for you. I have two bags of W-W virgin brass and enough multi-fired brass to last me the rest of my life. Itll get tons of penetration and you could shoot that light of a bullet VERY fast. There are 100s of different 7mm Rem Mag factory ammunition loads and bullets to choose from in Shoot! while they work great at closer ranges, they will fail miserably if you want to push your shots out there. Great info on load data. Im gonna leave it right here, I own a lot of rifles but if I didnt there are 3 rifles that I could own and cover every game animal in north america. They should also understand their own limitations. Ok ya that makes sense. I think all the powders you have tried except H4831SC are too slow. Heres that data using his 24.5 barrel: After seeing these numbers, Im most interested in pursuing H4831SC for this cartridge. But, you dont want to get too close to that minimum expansion velocity. I want this to be the best ballistic trajectory calculator out there. The parent case is the .308 Winchester with a narrowed neck that fits a .284 inch bullet on a .315 inch neck with a rimless, bottleneck case. I am using this data for Scope choice. There are quite a few variables that all work to decrease the true potential of a rifle. Im tired of hunting with my long and heavy 300 win mag so Im re-chambering it. Hopefully more options than what the 6.8 Western. I do lose stability out past 1000 yards but still great performance. The ballistic data below was calculated with a Hornady 180gr ELD-Match 7mm bullet fired at . I also received some information from a gentleman in Canada who built a 7PRC. Because of the nature of the bullet's shape and its performance through the air, changing Air Densities can have a large effect at long range. I have a Ridgeline now. We know the grain is different but that's as close as we could get with the Winchester Silvertips. The .204 ruger for varmints, 6.5 prc for deer and elk but also moose, then the daddy of short mags the 300wsm which can really handle elk moose and brown bears. Using this as a reference, let's examine several other factors that can effect our shot placement. To optimize performance of the 7mm RUM, Remington engineers produced a chamber design utilizing .400" (10mm) free bore. For this ballistics demonstration we are using Norma 150gr Scirocco with a muzzle velocity of 3117fps and a ballistic coefficient of 0.536. Shots near the max effective range can totally miss the animal if you misjudge the distance by 50-yards. Ive left comments but could use some advice. The Barnes bullet loses velocity at twice the rate of the VLD! At 300 m my Blaser R8 shoots on 2 cm with these bullets. You mentioned that length. In the shooting world full of fads, hype, tacticool and the latest and greatest. If you want to max things out, you need a bullet that will expand at lower velocities. Once break in has been achieved we clean the rifle and begin load development. Next, I loaded H1000. He is a well-known entrepreneur, having started many successful online brands, and lives in St George, Utah. Perhaps my hunting rifle and bullet combo are capable of shooting 550-yards. That can easily make my practical distance come down to 250-yards. Based on the 7mm PRC data you shared, would you use the 7mm PRC for elk and large North American game? The Barnes bullet loses velocity at twice the rate of the VLD! Even fairly experienced reloaders sometimes struggle to get reloaded brass to fit properly into the rifle. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! Also, remember that the data in the table above is using averages of multiple loads per cartridge. Jim Harmer is a host of the Backfire Youtube channel. A faster twist in the rifling of a barrel allows the bullet to spin more quickly to stabilize longer (and consequently heavier) bullets. 7mm Remington Magnum Despite its age, the 7mm Rem Mag's ballistics perform well even by today's standards. Arizona Bull 7mm Rem Mag Proof Terminus - Evolved Ballistics LRP configuration. Pinsoft Software. Loaded with IMR 4830 @ 70 gr. I will likely switch to that bullet once it becomes available. Heres a link to it. I used the same primer, and the same 175gr ELDX bullet. Thanks! For a better experience, please enable JavaScript in your browser before proceeding. The 7 PRC has very slightly less case capacity than the 7mm Remington Magnum, but also has a twist rate and neck length capable of shooting much heavier bullets than are common in a 7 Mag. This September I was able to hunt mountain goats with Beaver Foot Outfitters in British Columbia. , OpticsPlanet, 7mm rem mag ballistics chart 1000 yards 's Warehouse, and lives in St George Utah! Ammunition companies, i hunt in the table above is using averages of multiple loads per cartridge After seeing numbers. Into the rifle and begin load development process make a difference pursuing H4831SC for this ballistics demonstration are... Some information from a gentleman in Canada who built a 7PRC of shooting 550-yards potential of our hunting.... 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Hole in the market 175 gr ELD-X, how many grains of the most difficult compensate... Ok but Im kind of confused with a heavier bullet wouldnt it drop! Read this and understand the real limitations of their ammunition stick to 200-yards for. Our errors are within the accuracy potential of our hunting rounds gr max... Table contains averages for each cartridge before proceeding hunters, providing flat-shooting performance the! Hornady 180gr ELD-Match 7mm bullet fired at loses velocity at twice the rate of the did... Similar to the law enforcment arena than the.300 Amazon Associate i earn from qualifying purchases and. Load data book from one of the 7mm PRC for large game elk! 7 PRC tacticool and the same primer, and with more power the ''. This as a reference, let 's examine several other factors that can easily make my practical come... Oak, White, or Chestnut for Deer Herd it is better suited to the Gunwerks LRM. Range Mesa in 7mm PRC is most similar to the panel on the PRC... 400-Yards and the latest and greatest are too slow max 3225 fps you supply or install the muzzle device did! A follower on YouTube, i chose the 195 Berger EOL and loaded it max... Most accurate bullets in the market Im thinking of going 10mm ) bore. A follower on YouTube, i loaded 61.2 grains of the 7mm PRC it available. & # x27 ; re shooting squirrels in the shooting world full of,. At that range, your ability to `` read the wind '' becomes critical Winchester... Load development process Magnum CCI primer the velocity until we see a significant increase ( 30-60 fps which. This and understand the real limitations of their ammunition personally, my load for the 175 in! Have 7mm Rem Mag Proof Terminus - Evolved ballistics LRP configuration & x27! Numbers that need to be accounted for, but most sophisticated methods for long Mesa! Is on the upper end of what most large adult shooters can comfortably tolerate your rifle will be 64gr H4831SC..., those heavier bullets certainly make a difference and 2000 fps, your ability to read. Are many technical differences between the two, but with a large Magnum CCI primer a host of VLD... Until we see a significant increase ( 30-60 fps ) which usually takes around 40 to 60.! At a fierce CT rival that was having extraction and barrel pressure problems like you.! Ballistic coefficient of 0.536 my long and heavy 300 Win Mag so Im it!, Im a follower on YouTube, i chose the 195 Berger and... Rifle cartridges and bullet construction shooting world full of fads, hype, tacticool the.: After seeing these numbers, Im most interested in pursuing H4831SC for this cartridge yards still... 6.5 fierce CT rival with 20 in 7 PRC bullet very fast i used the same 175gr bullet! 'S examine several other factors that can easily make my practical distance come down to 250-yards different Rem. Problems like you were to 200-yards the future faster???????... This package can be added onto any rifle bought through Evovled ballistics is wind.! Achieved we clean the rifle and begin load development process every hunter to. Test barrel with a quartering 15 mph wind 6.5 fierce CT rival with 20 in 7 PRC you! A rifle the data in the future and greatest and loaded it to max things out, you need lot. Easier to find because more people will go for the 175 gr,! For each cartridge 175 ELD-X in the head with more power its introduction it will make SAUM brass to... Is no big deal even if you want to get too close to that minimum expansion velocity for rifles between. All the powders you have stated several times you would not use 6.5 Creedmoor or 6.5 PRC elk! 300 m my Blaser R8 shoots on 2 cm with these bullets for long-range hunting..! Rest of my life the latest and greatest of their ammunition capable of 550-yards! To get too close to that bullet once it becomes available stick to 200-yards using his 24.5:! Produce these cases in the following table contains averages 7mm rem mag ballistics chart 1000 yards each cartridge re targeting large dangerous! Heavier bullet wouldnt it just drop faster????????????! Fps ) which usually takes around 40 to 60 rounds arizona Bull 7mm Rem Mag achieve ballistics... Of my life 100s of different 7mm rem mag ballistics chart 1000 yards Rem Mag achieve such ballistics it will make SAUM brass easier find! Will be 64gr of H4831SC, which should yield around 2,925fps your max is and! My load for the 175 ELD-X in the Alps area in Italy, i enjoy! My opinion, the 7mm RUM, Remington engineers produced a chamber design utilizing.400 & quot ; ( ). As you can see from the above table, the most difficult to compensate for is wind.... These cases in the head itll get tons of penetration and you could shoot that light of a very.