Thats a dead whitetail deer out to 1200 yards lol. Obviously there are always going to variances within rifle cartridges and bullet construction. I was hoping to optimize the cartridge . That is more recoil than a .30-06 but less than a .300 Win Mag. Far shots start to need a lot of compensation for bullet drop and wind drift to make an ethical shot on a game animal. R . First, lets take a look at H4831SC powder loaded with a 175gr ELD-X bullet. But what are the flattest shooting rifle cartridges? In a trophy hunting situation, it's important to have the equipment and preparation to ensure that you can make the shot at that once-in-a-lifetime trophy, even at 800 yards! Thats why knowledge of 7mm Rem Mag Ballistics is so important. I always run a suppressor would like to see 20 with suppressor vs 24 with break. I have been saying for years a lot of the 2.5 inch cases would have been better off reduced to 2.250 2.3 inch .I honestly think the 26,27 and 28 would have hit the money had nosler gone that way . Shots at game at 800 yards are extreme and should only be attempted by shooters that are using the right equipment, and have the coaching and preparation to positively make the shot. This is averaging several different loads to get these numbers for each cartridge, so we can compare apples-to-apples, but youre right that with ALL cartridges you could go up or down slightly depending on the load selection. This system maximizes the distance in which no "hold over" is necessary. You think they will come out with a 7mm Western? Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. George Holt. But wait, theres more. V-MAX . There are quite a few variables that all work to decrease the true potential of a rifle. I feel it will offer the best velocity in a shorter barrel. Nice build Jim. Your email address will not be published. In our next article we will look at how to calculate and compensate for long range shooting, and the equipment and programs that will do it. How much velocity would I lose with that shorter 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. L. Neil Smith, at a 200 yard zero with a Hornady SST 162 gr your looking at 34.8" drop @ 500 beyond that it really really falls off quickly after that range . Thanks, Jake. 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. At 500 yards the 7mm's ballistic advantage begins to matter with nearly 10 inches less drop than the .270, 6 inches less than the .300. Apr 17, 2011. load. Great folks to deal with too. Love the Channel!!! Heres what I found. Eh, someday. Building a rifle with no reloading data and no established manufacturing was a challenge, but now you can easily get a rifle rebarreled for 7 PRC. Winchester told me they arent planning a series. Good flat trajectory and power make this cartridge a winner when hunting deer, mule deer, and other medium to large game. The numbers for hunting bullet's usually range from 0.200 to 0.800 with most falling in the 0.400 range. Should be the next level do it all cartridge. deciding between the 6.5 PRC, 7 PRC, and 300 PRC, full-length bushing resizing die and micrometer seating die, Backfires Youtube channel was the first publication to break the story, https://bobp.cip-bobp.org/uploads/tdcc/tab-i/tabical-en-page36.pdf. But wait, there's more. Im sure people will certainly use the cartridge for many things. Maybe you could do a future video on it? Thats exactly what the 7PRC is, but it is by no means the only cartridge that offers those specs. Compact 1000 yard rangefinder. Ive done a significant amount of handloading and reloading for the 7 PRC over the last few months. Very impressive ballistics. For what its worth longest shot was 823 yards with my Leupold vx2 3-9 but that was eight years ago 2023 Backfire LLC, a limited liability company headquartered in Utah, USA. Its all highly situational, but it matters. If the 7 PRC has significantly more recoil (which your chart has it showing about 25% more) then I dont know that 280AI will be greatly affected for hunters. The sample trajectory in Figure 1 is typical for a 7mm Remington Magnum shooting a 168 grain VLD bullet at 3050 fps muzzle velocity. Heres what he reported using a 175gr ELDX, Federal 215M primers, and Reloder26 powder. The time of flight is dependent on shape (BC) and initial muzzle velocity. This streamlined, long 0.284 bullet cuts through the atmosphere with minimal drag effect, thus retaining velocity and energy far downrange (as you can see from the graph). Required fields are marked *. Its important to educate yourself about 7mm Rem Mag Ballistics, especially for long range shots, because not knowing how your 7mm rem mag load performs at extended ranges could easily result in a miss. They use Berger 168 gr VLD (Very Low Drag) bullets. Will be suppressed at times, but in a effort to save weight on certain hunts will ditch the can(7 TBAC Ultra). Im eager to do some load development. In other words what barrel length will produce a 3,000 fps muzzle velocity using the factory loaded Precision Hunter 175 gr ELD-X bullet? This is using CCI Large Magnum primers, and shooting out of a 24 test barrel. You can see from the graph that the 7mm is comparable to the 30-06, and 270 in flight, and much better than the 30-30. Hornady ELD-X and Barnes LRX both will expand at 1600 fps. This package can be added onto any rifle bought through Evovled Ballistics. Great job on all the information on the 7mm PRC. Load development: This process includes the fine tuning of bullet seating depth and powder charge in order to achieve the best precision possible for the rifle. You did not compare this cartridge to the 7mm RUM? Ive got a Remington Sendero with a Brux 1:9 twist. He has managed multiple gun ranges, and has hunted around the world. 7mm Remington Magnum Despite its age, the 7mm Rem Mag's ballistics perform well even by today's standards. Awesome article and information. Think of it as a modernized 7mm Rem Mag. 7mm Remington Magnum The 7mm Remington Magnum has long been a favorite of Western hunters, providing flat-shooting performance like the .270 Win. How will that compare? 300 PRC and 6.5 PRC ammo has challenging to find too, but is finally showing up with Federal and Sierra joining Hornady. Love what youre doing. Daniel Defense firearms, parts and accessories. The 7mm Precision Rifle Cartridge is a long-action centerfire rifle cartridge designed to shoot 180 grain bullets at 2,950 fps. I guess the 7mm WSM is dead. With the high BC of some of the 7mm bullets, ballistically this 7mm PRC will outshine most 6.5mm and 30cal cartridges. We carefully monitor the velocity until we see a significant increase (30-60 fps) which usually takes around 40 to 60 rounds. Youtube is full of those videos. If your max is 400-yards and the deer is moving, perhaps stick to 200-yards. The #1 reason I recommend Preferred Barrel Blanks is because theyve sorted through those issues and can deliver problem-free prefit barrels. They have some cool videos that explain it better than I can. Ok went out with new 7 PRC rifle. Note that BOTH of these are a compressed load, so you couldnt really go much faster than this with H1000. Part of that preparation is understanding, in simple terms, the external ballistics of a typical long range shot. If you do not have a Shooting Chronograph, I strongly suggest you purchase one. 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. Testing 160-168 Gr bullets. Shooters will gravitate toward heavy-for-caliber high-BC bullets in the 7mm PRC. This round is here to stay, and while the relative recoil or kick is often sighted as negative, it's often over stated, while it does kick the numbers show that the recoil on average is = or less than the average for the 30-06 but is of course more than the 270, and the 30-30. 7mm Remington: SP: 203: 2447: 2330: 7mm Remington Snow. Those are definitely numbers that need to be accounted for, but most sophisticated methods for long range shooting handle these changes easily. 7mm Rem. I have a Vortex Diamondback Tactical on my 6.5 Cre and I have it verified out to 700 Yards which is exactly where you say it is. How far can you throw a ping pong ball compaired to to throwing a golf ball?? This ensures that the shooter has all the pertinent information for use in a ballistic calculator and everything you need to replicate the load if you want. Given both being non-belted magnums, I am just not seeing the allure, that say a 300WSM brought to the market in a short action capable package. Ive constructed a similar table that takes into account bullet construction, including expansion ratios and weight retention over time, and Id be curious to get your opinion on it. Thanks. Not being a downer on innovation, but 7mm STW is made by a lot more manufacturers than I see 7mm PRiCey ever being made by. With quality hunting ammo, this cartridge maintains 2000 fps velocity to around 600 yards. Im not talking about self-doubt or simply asking yourself what if I miss. Mag. The bullet does not drop below the speed within the max range specified. Commissions are earned for links to Brownell's, Amazon, MidwayUSA, GoHunt, OpticsPlanet, Sportsman's Warehouse, and other retailers. Isnt it smart to have a buffer and not go to the utmost maximum? Im tired of hunting with my long and heavy 300 win mag so Im re-chambering it. If you want to max things out, you need a bullet that will expand at lower velocities. As long as its a standard long-action, you should be just fine putting a 7 PRC barrel on it. The 284 as used by benchrest shooters at 1000-yard matches uses a 180-grain bullet in along action. bearcat2; Nov . The benefit was a hot shower and soft bed every night! How does the 7mm Rem Mag achieve such ballistics? Looking at your H4831sc chart Im a little faster at 62.7grs than what you had at 63grs. Practical distance isnt the same as the max distance a rifle can shoot. Just imagine a long slender VLD bullet compared to a flat nosed semi wad cutter. with 50 inch barrel. The 7mm RUM is identical to a high performance race engine in every sense. Shortening the H&H case to a length of 2.500 inches, and using a 25-degree shoulder, the 7mm Remington Magnum has an overall cartridge length of 3.290 inches. I just hope I gave you a little something to consider. [emailprotected]. I am alarmed at the number of proponents of long range shooting technology that simply ignore the effect of wind, and have no provision to compensate in their equipment. We develop the ideal load for your rifle that is tailored specific to your requirements, hunting or target. It's like these other guys said, if you throw a small rock it goes really fast, but not very far. The cool thing is that Preferred Barrel Blanks does prefits for just about any action you already have. 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