If you have shot your load pack one, two, or three and are ready to order some ammo, you have come to the right place! Hornady formally rolled out their new 300 Precision Rile Cartridge at the 2018 SHOT Show. Ammunition is sold in 20 round boxes. I started with the following base information and QuickLoad predicitions: Shop LRKM – demo. Not so much with moderate loadings. In addition to the advantages the 300 PRC has in terms of accuracy and bullet selection, it also has a slightly greater powder capacity. Hunters these days now have a dizzying array of .30 caliber magnum cartridges to choose from like the .300 Winchester Magnum, .300 Weatherby Magnum, .30 Nosler, 300 WSM, .300 Norma Magnum, and the .300 Remington Ultra Magnum (among others). With the rise in popularity of extra long range shooting during the 21st Century, ballisticians at Hornady identified the need for a .30 caliber cartridge designed specifically for that sort of work. Poll: What Progressive Reloading Press Do You Use Most? By accepting these terms, you agree that you alone are solely responsible for your own safety and property as it pertains to activities, procedures, techniques, or practices described in whole or part on this website. The good news was, no pressure signs whatsoever! Testing with 2nd 300 PRC rifle (following that build). To further illustrate that same point, consider the supersonic ranges of the two cartridges. So, it’s not like you’re dealing with .338 Lapua levels of recoil with it. If you would like to develop loads for multiple projectiles, you will need to purchase multiple load packs. Choose Your Projectile: I'm currently cycling through 50 pieces doing load development and monitoring brass. 15670 N Ranch Valley Rd. Want to know exactly how long your chamber is to get the most out of your rifle? The 300 Precision Rifle Cartridge does have a pretty dedicated following, but it’s not extremely popular in absolute terms and can’t certainly hold a candle to more established cartridges like the .270 Winchester or .30-06. The thing I like the best here is the combination. I choose the 300 PRC for one of several reasons:• soft shooting (compared to a 338 Terminator)• low powder consumption• ability to run a 215 Berger @ 3000 fps• 2000 yards target capability• ability to shoot some rounds through it in a day and not have students get beat up• the case has no belt• case design is modern and efficient• has been adopted by military units that we work with• can feed out of a detachable box mag (although the LRKM doesn’t have one)These were the key features that drew us to the 300 PRC. Otherwise, i think you’re unnecessarily handicapping yourself and I’m not sure how much of an advantage the 300 PRC will provide you over your 300 Win Mag. I havent tried H1000 in my 300 PRC. I assumed Ramshot Magnum would have a max charge weight around 78.2 grains or so. Why can’t handloaders just use those same long, sleek bullets with the .300 Win Mag and not seat them so deep in the case? 80.0 gr. Simply put, burning more powder in an equally sized space will result in shorter barrel life. Poll: What Reloading Components Can’t You Find? Of course not, it isn’t ever going to shoot a 215 gr. I knew that H1000 was a good powder for cartridges like 300 PRC, and Retumbo as well, so I focused on those data points from Hornady’s published load data. You can calculate head height by subtracting case length from the overall length of the cartridge. At 3.7″ long, it’s actually too big to fit in a standard length action rifle. Shooting 80.0 gr. Dismiss. If you have shot your load pack one, two, or three and are ready to order some ammo, you have come to the right place! Hope this helps! However, there’s not quite a big of a selection of really heavy, high BC .30 caliber bullets. The table below compares a 200gr Hornady ELD-X (.597 BC) load in .300 Winchester Magnum to a load shooting a 212gr Hornady ELD-X bullet in 300 PRC (.673 BC). I knew I was going to start with Hornady’s 225 grain ELD-M bullet since I wanted to compare performance with the Hornady Match ammunition I used during barrel break-in. Both of those loads were obtained using a 24″ barrel, so your mileage may vary. 300 PRC Load Development Pack - Stage 1 packs are the starting point to finding the optimal charge weight for your rifle. Yeah, the brass grows with hot loads. As you can see, it incorporates a number of features to help accomplish that goal. After enough years of doing this you sort of get a feel for it. This helps support the blog and allows me to continue to create free content that’s useful to hunters like yourself. For that reason, it combines incredible accuracy with consistent performance across a wide range of impact velocities. We have just built a 300 PRC for a rental rifle on our LRKM platform to use in our long range shooting classes. Not surprisingly, the 300 PRC delivers those ballistic advantages over the .300 Win Mag at the expense of about 13% more free recoil energy. The 300 PRC also has about 7% more energy at the muzzle and about 15% more energy remaining at 500 yards than the .300 Win Mag. and that is a 7 grain advantage over the 300 Winchester Magnum (this becomes important later). This is not fool-proof since I’m assuming similar densities for the three powders. As we drill down into the details of their similarities and differences though, several especially important factors emerge. And this time with 300 PRC, I’ll have two nearly identical barrels to perform load development with. Poll: What handgun cartridge do you reload most often? Existing cartridges like the .300 Win Mag were certainly capable of excellent long range performance, but there wasn’t a .30 caliber cartridge purpose built for that task. Poll: What Rifle Cartridge Do You Reload Most Often? Copyrights 2020 | coppercreekcartridgeco.com | All Rights Reserved. All things considered though, both cartridges are very accurate, flat shooting, and hit hard enough for use on a wide variety of game at practical hunting ranges. I could not find 300 PRC load data for Ramshot Magnum powder, but I did find enough data to safely work up a load! If you’d like to do more in depth testing, double up a load pack and you can fire 2 five round groups or even 3 three round groups! So, while there is a difference in .300 Win Mag vs 300 PRC barrel life, it probably isn’t going to be a big issue for most hunters. And this time with 300 PRC, I’ll have two nearly identical barrels to perform load development with. 5 rounds each of 5 different powder charges, all with the same projectile. Even so, the ammo selection for the cartridge will almost certainly improve in the future if the cartridge continues to grow in popularity. If you can order, we have it in stock! As previously stated, both cartridges have the same .532″ case head diameter. Final load is ADG 300 PRC brass 215M primer Berger 215 hybrid (.010 jump) RL 26 2921 FPS ( 24 inch factory barrel) There might be faster accuracy node but I don’t see any reason to push it. Let’s talk about what the 300 PRC is then. Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. 300 PRC vs 300 Win Mag. Loaded with a high BC 212 grain ELD-X bullet, 300 PRC Precision Hunter ammunition has a flatter trajectory and carries more energy down range than otherwise identical .300 Winchester Magnum ammo. Therefore, 300 PRC has a slightly flatter trajectory, a little more retained energy, less wind drift, and somewhat more recoil than the 300 Win Mag. bullet @ 3400 fps. Even so, the 300 PRC is still a very shootable cartridge, especially in a heavier rifle. With careful handloading, it’s possible achieve slightly higher velocities with the cartridge and/or utilize even heavier and more aerodynamic bullets. The 300 PRC (Precision Rifle Cartridge) makes long range, mid-range! Regardless of whether you’re using a .300 Winchester Magnum or a 300 Precision Rifle Cartridge, no pronghorn, mule deer, or elk will go far if you put a well constructed bullet into the vitals. 3081 fps85.0 gr. The table below compares a couple of handloads that approximate the performance of the factory loads given above when fired from identical Christensen Arms Mesa rifles. However, just to give you an idea of the benefits of the 300 PRC over the .300 Win Mag at long range, consider this: the .300 Win Mag has 20″ (~8%) more bullet drop at 1,000 yards and 96″ (12%) more bullet drop at 1,500 yards with a 200 yard zero. Only using 84.5 grains of powder will allow for decent barrel life.
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