Get a Leupold VX-5HD scope with a CDS dial and match it to your preferred load for the 300 PRC. That should be perfect at the ranges you’re talking about! Loading 9mm on the Dillon RL 1100 with Mr. Bullet Feeder, Breaking: Hodgdon Powder Company Acquires Multiple Brands, Unsolved: 44 Magnum Over-Pressure Mystery, RCBS Lock-Out Die Part II: Setup and Maintenance, RCBS Lock-Out Die Part I: Theory of Operation, Reloading Safety: Powder Check Systems Overview. Copyrights 2020 | coppercreekcartridgeco.com | All Rights Reserved. The chart below compares how much a 10 mile per hour crosswind impacts those same loads for each cartridge out to 500 yards. The case has an H2O capacity of 99.0 gr. 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. Poll: What Progressive Reloading Press Do You Use Most? Choose Your Projectile: 300 PRC Load Development Pack - Stage 1 packs are the starting point to finding the optimal charge weight for your rifle. Since this requires a faster rifling twist (especially at lower elevation), I think you’re generally going with a 1:8″ twist rate. Book an outstanding Africa hunting safari here. However, the actual body diameter of the 300 PRC is the same diameter as the belt on the .300 Win Mag. From there we can produce ammunition with your new custom load recipe. The 300 PRC also has a smaller freebore diameter than the .300 Win Mag. If you want to take it a step further, then check out our stage 2 pack where we will incrementally seat the bullet to different depths for your chosen load so you can see just how accurate your rifle can be! Loading 9mm on the Dillon RL 1100 with Mr. Bullet Feeder, Breaking: Hodgdon Powder Company Acquires Multiple Brands, Unsolved: 44 Magnum Over-Pressure Mystery, RCBS Lock-Out Die Part II: Setup and Maintenance, RCBS Lock-Out Die Part I: Theory of Operation, Reloading Safety: Powder Check Systems Overview. At the same time, the 300 PRC has a longer case neck than the .300 Win Mag (.3076″ vs .264″). 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. First off, the cartridges have different roots and were built with different goals in mind. The higher ES of the -.015” load makes it less of a choice at distance. 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. At the same time, the .375 Ruger was designed with the same .532″ case head diameter as the .375 H&H. John. There is some overlap in the common bullet weights they use, but the 300 PRC generally works better with longer and heavier bullets. 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. Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. The .300 Win Mag normally uses a 1:10″ rifling twist, which is optimal for stabilizing bullets in that weight range. 300 PRC Load Development Pack Custom Ammunition Results $ 69.99 – $ 77.99. With an overall length of 3.7″, the 300 PRC requires a magnum length rifle action. Dismiss. H 1000, 103.4% case capacity, 3001 fps, 100% barrel burn, 4288 ft/lbs, muzzle pressure 12639 psi. It’s a wonderful cartridge for long range precision shooting and I can certainly understand why somebody who used the cartridge for that sort of work would also want to take a 300 PRC afield. Required fields are marked *. Don’t miss out on Ultimate Reloader updates, make sure you’re subscribed! I loaded up the rounds (more on that in a future article), and shot them over a Magnetospeed V3 chronograph which produced the following data: This is not the “most clean” graph I’ve produced from this 10 shot load development since the “nodes” were not pronounced near the max charge. Basically, having more head height means the 300 PRC offers more room outside the case for bullets than the .300 Win Mag. I hoping to use a lighter hunting rifle like Christensen arms or fierce rival leaning toward the fierce but it runs a 1:9 twist and your writing refers to pro 1:8 twist that lost the other rifles run. This can also help enhance accuracy. Exactly how fast that occurs depends on a number of factors like the quality of the barrel, the exact ammunition used, etc.
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