300 prc load development

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. load that military designated MARK 248. That’s saying something too because the .300 Win Mag is known for having a relatively stout recoil itself. The folks at Winchester opted to build the .300 Win Mag to fit in a standard length rifle action. GMX® 300 PRC 178-250 gr. Please provide measurements for the overall length from base to tip. While the 300 PRC can use those lighter bullets, it’s most commonly available with either 212gr or 225gr bullets in factory loads. 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? The case has an H2O capacity of 99.0 gr. This meant a maximum overall length of 3.34″. Very convenient! Poll: What’s your number one reason for reloading? From there we can produce ammunition with your new custom load recipe. Poll: What’s your number one reason for reloading? So, the 300 PRC does have an advantage in this area, but once again, there’s not a gigantic difference between them. 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). A great writeup, thank you, what scope would you recommend for the 300 PRC for plains game and bush like kudu and eland here in South Africa. After performing a 10-shot load development test, I’ll typically take “speed nodes” (See the main article) and shoot some groups “around the nodes”. The thing I like the best here is the combination. In that situation it’s usually best to get as much data as you can, and interpret/interpolate for the components you’re using. So, even though the 300 PRC does have some advantages on paper, those small advantages don’t make much difference for the vast majority of hunters. Of the two cartridges though, the .300 Win Mag is still by far the most popular with hunters. data **includes new A-Tip® Match load data I used Shooters Calculator to compare trajectories, wind drift, and recoil for the cartridges. That translates into a slightly flatter trajectory, a little more resistance to wind drift, and a little more kinetic energy at typical hunting ranges. 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. This does make the cartridge a little bit more forgiving of range or wind estimation errors than the 300 Win Mag, but once again, it’s not a tremendous difference. In fact, the .300 Winchester Magnum is probably the better all around choice for most hunters. Our website inventory is live and accurate! Next steps for 300 PRC load development include: I’m having so much fun with this project, and I hope you all are enjoying it too! So my strategy was to put the max load charge weight right between the max charge weights for H1000 (77.5 grains) and Retumbo (78.9 grains). My first thoughts were, “Hey, I am 7 grains of H1000 under max case compression capacity. 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! Poll: What Reloading Components Can’t You Find? Specifically, maximum handloads published by Hornady show a velocity of 2,875fps with a 220 grain ELD-X bullet and a velocity of 2,700fps with a 250 grain A-Tip Match bullet. and that is a 7 grain advantage over the 300 Winchester Magnum (this becomes important later). To accomplish that mission, designers at Hornady decided to think outside the box. Not surprisingly, the 300 PRC delivers those ballistic advantages over the .300 Win Mag at the expense of about 13% more free recoil energy. $14.95 Flat rate shipping for any sized order! All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk. Hope this helps! Since this article is focused on the performance of these cartridges for hunting, I didn’t include any ballistic data past 500 yards in the table above. Your email address will not be published. Poll: Where are you finding reloading primers and powder? in standard chamber, 84.5 gr. 300 PRC vs 300 Win Mag. Book an outstanding Africa hunting safari here. I started with the following base information and QuickLoad predicitions: Shop LRKM – demo. 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. Since the two cartridges use the same diameter barrel, throat erosion occurs a little faster with the 300 PRC because it has a little bit more case capacity. Here’s the results in table form: At 78.5 and 78.6 grains I had good results. As you can see, it incorporates a number of features to help accomplish that goal. Both of those loads were obtained using a 24″ barrel, so your mileage may vary. 308 Winchester Match 175gr Sierra Matchking. For this load development exercise, I used the following components: So what do you do if you have a powder or other component that you’d like to use, but don’t have load data for it? Before we get started, I have an administrative note: Some of the links below are affiliate links. Save my name, email, and website in this browser for the next time I comment. Though the .30-06 was and is a great option for many uses, hunters and shooters looking for more power or better long range performance have flocked towards the various .30 caliber magnum cartridges for many decades. If you can order, we have it in stock! Get a Leupold VX-5HD scope with a CDS dial and match it to your preferred load for the 300 PRC. Tah, What dies did you use, or did you make your own with the reamer ? Buy a nice 300 Precision Rifle Cartridge hunting rifle here. Always cross-reference load data with manufacturer's published data. That’s also one of the reasons why the United States Department of Defense recently bought some Barrett MRAD rifles chambered in 300 PRC to supplement the other cartridges the United States Special Operations Command (SOCOM) uses in their sniper rifles. The 300 PRC (Precision Rifle Cartridge) makes long range, mid-range! At the same time, the 300 PRC has a longer case neck than the .300 Win Mag (.3076″ vs .264″). Does the 300 PRC provide enough benefits for hunters and shooters to justify making the switch over to the new cartridge? Use load data at your own risk. There is some overlap in the common bullet weights they use, but the 300 PRC generally works better with longer and heavier bullets. It uses a standard magnum bolt face. Ive backed it off 2.5 grains to the top of a long node which I hope to land about 3018 fps ave. The .300 Win Mag uses a belted case with a 25 degree shoulder. Remember, you are developing a load to make the projectile of your choice shoot well in your rifle. Copyrights 2020 | coppercreekcartridgeco.com | All Rights Reserved. The good news was, no pressure signs whatsoever! Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. I could not find 300 PRC load data for Ramshot Magnum powder, but I did find enough data to safely work up a load! data **includes new A-Tip® Match load data; 6.5 PRC 140-153 gr. The 300 PRC also has a smaller freebore diameter than the .300 Win Mag. While the .300 Win Mag is certainly capable of excellent accuracy in the right hands, the 300 PRC was specifically designed for exceptional accuracy and outstanding performance at long range. 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. This data is for Hornady Precision Hunter factory ammo using a 200 yard zero and a 24 inch barrel. As you can see this is why no matter what your source you always start 10% lower than max and work up. But will when I shoot all the Berger ammo. Copyrights 2020 | coppercreekcartridgeco.com | All Rights Reserved. So that’s where I started with this 300 PRC load. Poll: What Rifle Cartridge Do You Reload Most Often? Finished Your Load Development? For this 10-shot load development test pass, I started just beyond my calculated max (do this at your own risk) and worked back over 10 charges subtracting 0.5 grains for each powder charge. Do not attempt any of the processes or procedures shown or described on this website. Since I didn’t have “super-clear” nodes on my 10-shot load development graph, I decided to shoot 5-shot groups (as seen in the video) up towards the max charge weight, again incrementing by 0.5 grains for each test. If you can order, we have it in stock! Since gun manufacturers build their rifles to those same specifications, there simply isn’t enough space in a standard length rifle action (or magazine) for those longer bullets. Material connection (partnerships) information available at http://ultimatereloader.com/about/, Don’t miss out on Ultimate Reloader updates, make. He’s been, by far, one of the most helpful, conscientious and friendly persons I’ve ever interacted with in the gun industry. 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. 2952 fps82.0 gr. The Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca and other Amazon stores worldwide. We will load the ammunition with the specifications from your most recent Load development pack of the same caliber and projectile combination, unless you request differently below! Hornady’s Precision Hunter line of ammunition is specifically designed for long range hunting. It's certainly not Lapua! I'm going to try NOT to run pistol powder in mine. Poll: What Progressive Reloading Press Do You Use Most? 300 PRC Load Development Pack - Stage 1 packs are the starting point to finding the optimal charge weight for your rifle. Follow @UReloader Since it’s used by a relatively small segment of the hunting world, not every sporting goods store keeps 300 PRC ammo in stock, but most of the big retailers in the USA usually have a couple of boxes of ammo on hand for the cartridge. The .300 Win Mag normally uses a 1:10″ rifling twist, which is optimal for stabilizing bullets in that weight range. Yeah, the brass grows with hot loads. One will be 1:9.5 twist (the custom 300 PRC used in this article), and the other will be 1:8.5 twist, as a part of … 3081 fps85.0 gr. Contact ultimate reloader by clicking here. The max load with faint ejector marks was up to 3084 fps at 0.005 off through my 26 inch Christensen Arms Ridgeline. Ramshot Magnum falls right between H1000 and Retumbo. 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!

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