But wait, theres more. Based on the 7mm PRC data you shared, would you use the 7mm PRC for elk and large North American game? I currently shoot a 300 Win Mag. This is using CCI Large Magnum primers, and shooting out of a 24 test barrel. At the same time, while the 7mm Rem Mag tops out with 175 grain bullets, the .300 Win Mag is capable of firing 200 grain, 208 grain, and 220 grain bullets with sectional densities of .301, .313, and .331 respectively. 7 PRC is designed for shorter barrels. I dont like playing games of how far can I go and minimum bullet energy. Great article Jim. You mentioned that length. Your email address will not be published. Loaded with IMR 4830 @ 70 gr. F-Class 32 barrel. I appreciate this information. Just imagine a long slender VLD bullet compared to a flat nosed semi wad cutter. Using dies from Whidden, I got to work. Jim, I enjoy that you use your platform to provide reliable data to ethically take animals. Where can I get 7 PRC brass? The 7mm RUM is identical to a high performance race engine in every sense. I had them make me a short 20 carbon fiber-wrapped barrel chambered in 7 PRC. I have a Ridgeline now. It was an exciting huntwe would spot goats from the valley floor, and climb 3000-4000 feet every day to hunt them. Before SAAMI drawings of the 7 PRC were released, I fully expected the 7 PRC to follow the industry-wide trend of overbore hot-rod cartridges. In this post, well look in-depth into that question. Part of that preparation is understanding, in simple terms, the external ballistics of a typical long range shot. But, you dont want to get too close to that minimum expansion velocity. Pinsoft Software. The following table compares the 7 PRC to several other cartridges using Hornadys Precision Hunter line of ammunition. For this ballistics demonstration we are using Norma 150gr Scirocco with a muzzle velocity of 3117fps and a ballistic coefficient of 0.536. I am using this data for Scope choice. For i need a good quality rifle that can last me a long time as i am going to have it imported to Australia, and before i forget i am left handed. 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. Decreasing wind deflection is a very important part of precise long range shooting. Keep in mind this is an approximation and although it is quite accurate it should never replace first-hand experience of shooting your specific firearm and ammunition to determine the bullet drop and windage at different ranges and conditions. Im a big fan of the 7mm. But, I shoot a 195 EOL with a 1:9.5 twist out of a weatherby vanguard 7mm Rem Mag. I really want to compare recoils of suppressed rifles. I used the same primer, and the same 175gr ELDX bullet. Your email address will not be published. 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. First, lets take a look at H4831SC powder loaded with a 175gr ELD-X bullet. for a 6 inch vital zone (typical of a whitetail deer). I'd throw a link in, but i don't know how from an iPhone. Everything was sub 1/2 moa from 59.5 to 62 grains. But I have heard it can be a 1K gun. The one disagreement I have is that I think the 7PRC will affect the 28 Nosler sales more than they will the 7RM or 280AI. Again, BC and velocity is important. Download Shoot! The parent case is the .300 Remington Ultra Magnum and fits a .284 inch bullet on a .317 inch neck with a beltless, rebated, bottleneck with a large rifle magnum primer case . This bullet with a muzzle velocity of 3000 fps in a 10 lb shooting system, with proper stock design is about a maximum level of recoil a long range hunter should deal with. Centerfire Handgun. To do load development before this speed up happens will render the load development useless. Will be suppressed at times, but in a effort to save weight on certain hunts will ditch the can(7 TBAC Ultra). This package can be added onto any rifle bought through Evovled Ballistics. The best way to think about this round is as an updated version of the venerable 7mm Rem. I hope brass makers continue to make 7mm STW brass. Looking at a fierce CT rival with 20 in 7 PRC. Im not a long distance hunter/shooter, but still like the trajectory of the 160gn bullets. He is a well-known entrepreneur, having started many successful online brands, and lives in St George, Utah. Heres a link to it. 1000ft.lbs: 1660yd. personally I like the 338 luapa and the 6.5 creed, reasonable to shoot compared to a 50 bmg and they will get you out there where you want to be and dont skip on the glass , high quality glass and big power isnt cheap either. Interestingly, I loaded 61.2 grains of H4831SC in a 7mm Remington Magnum, and a 7mm PRC. Im just looking at the brass for symptoms of being over-pressure, but sometimes those symptoms dont show up until a cartridge is significantly overpressure as could be measured by a computer. This 7mm Remington Magnum ballistics chart shows 140 grain Trophy Copper rounds with a 100 yard zero: This 7mm Rem Magnum ballistic chart shows 175 grain Fusion Rifle rounds with a 100 yard zero: Remington: This 7mm Rem Mag ballistic table shows 175 grain Core-Lokt rounds with a 100 yard zero: We all understand how gravity works, and with the additional corrections for atmospheric conditions, a bullet's drop is easily calculated. it works. Due to the extremely tight tolerances of these cartridges, Ive seen MANY manufacturers struggle with delivering barrels that spike pressures or have brass that doesnt fit right. Haha your fan from Algeria. same principal applies to bullets. Your results may vary. 7 PRC would be a nice step down in recoil from a 300 win mag as long as you choose a lighter bullet. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Backfire was the first publication to put together a 7 PRC as soon as the SAAMI specs for the cartridge were released. Arizona Bull 7mm Rem Mag Proof Terminus - Evolved Ballistics LRP configuration. Should be the next level do it all cartridge. That adds up to a difference of point of impact between shooting east and west of nearly seven inches. The 7mm Precision Rifle Cartridge is a long-action centerfire rifle cartridge designed to shoot 180 grain bullets at 2,950 fps. Jim, Im wondering why you did not include the Winchester 284, in your comparative with the lineup. We can minimize the effects from Magnus and Corriolis for sub 1000 yard shooting by zeroing at a longer range like 800 yardswhile pointing north or south. I see yours has a suppressor. As you can see from the above table, the 7mm PRC is most similar to the Gunwerks 7 LRM. N560 offers some of the best velocities without a compressed load. Obviously, the 7mm Rem Mag isnt going to just vanish in the next 10 years. While the 7mm 168 grain VLD would only need 3100 fps at the muzzle to match that 2000 fps velocity at 1000 yards. We develop the ideal load for your rifle that is tailored specific to your requirements, hunting or target. He has managed multiple gun ranges, and has hunted around the world. Was pleasantly surprised by your reference to preferred barrels and to find out that you are also a local Utah sportsman as I grew up only 70 miles away from St. George and still live and hunt this area with my family. I highly recommend Preferred Barrel Blanks for this job. Ok went out with new 7 PRC rifle. Be cautious when rebarreling a rifle into any of the PRC cartridges. Even fairly experienced reloaders sometimes struggle to get reloaded brass to fit properly into the rifle. It is caused by the bullet aligning itself to the relative wind vector. The 7mm Rem. All the scopes I like seam to be out of my price affordability. Obviously Hornady makes dies for the 7 PRC, but I personally am not a fan of their dies. Question, should I consider a 22 for the added benefit of when non suppressed or will the 20 (non suppressed) handle my needs just fine. burning 61 grains Reloder 22 Recoil: 26.5 ft-lbs at 14.6 fps velocity Muzzle Energy: 3,269 ft-lbs Maximum Pressure: 61,000 psi MPBR: 365 yards (Zero at 307 yards, 3.9" high at 100 yards) These are some impressive numbers. 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. If you throw a big rock, it puts a big hole in the ground, but doesn't go so far. Quick question the 7mm rem mag recoil is listed below the 7saum and 6.8 western in this table. 66 grs of H1000 behind a Berger 184 Hybrid produces 3,000 fps. You think they will come out with a 7mm Western? The 7mm PRC is similar to a 7mm Rem Mag, but it can shoot heavier bullets with higher BCs, has no belt which causes problems for reloaders, and slightly less case capacity so longer barrels are not necessary. They have some cool videos that explain it better than I can. Depending on bullet type and construction, the minimum expansion velocity for rifles falls between about 1300 and 2000 fps. Surprisingly, I found your keywords ranking number 1 on Google! What barrel length has Hornady created the 7mm PRC for? The heavy-for-caliber VLD bullet's are the only readily available high BC bullet's that have been documented to ethically perform at long ranges on game animals, and the BC range on those bullet's ranges from 0.550 to 0.685. 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. Mag. Thank you. I thought for certain it would have more powder capacity than a 7 Mag so Hornady could advertise the new cartridge beating the old standard. ShootersCalculator.com is in the process of being massively overhauled. Ballistic Table Ron Spomer 7mm RM, 2,900 fps from 24" bl. Increasing the BC to 0.700 the drift is only half, at 20 inches! First know Im a disabled hunter who is in my early 60s, I have a spinal issue from an accident and just had shoulder surgery, I cant walk far anymore. I contacted you about my 6.5 Fierce CT Rival that was having extraction and barrel pressure problems like you were. while they work great at closer ranges, they will fail miserably if you want to push your shots out there. Ive been working with some pre-production brass that isnt very good. You lose about 25fps per inch of barrel from 24 to 20 inches in using a 7mm PRC depending of course on your powder choice. There are no bullets below the 0.284 caliber with a ballistic coefficient higher than the 7mm. RCC brass is the only place that has it, but the prices are wild at $6 per piece. We will also provide a dummy round for you to take measurements if requested. Apr 17, 2011. load. Hornady has an incredible track record with cartridges over the last 20 years: 6.5 Creedmoor, 6.5 PRC, 300 PRC, 17HMR. Note that BOTH of these are a compressed load, so you couldnt really go much faster than this with H1000. Im a big fan of the channel and look forward to more on the 7mm PRC. Up and down winds can be tough to deal with because of difficulty in reading mirage, or the terrain can be hidden. At the moment of truth, if you arent sure you will make a good shot, dont squeeze the trigger. The following is a 500 yard 7mm Rem Magnum ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the barrel until the time it reaches the 500 yd mark. 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