Fast forward: The 6.5 Creedmoor has done what was once unthinkable. Mag and its .30-caliber magnum shelf mates, it saw an opportunity to combine the best features of the lot into a single, modern cartridge and chamber design that was missing. Want to step up to the 338? Let’s look at a few of the contenders Hornady’s taking on with its .300 PRC, namely the .300 Winchester Magnum, .300 Remington Ultra Magnum, .300 Norma Magnum, and .30 Nosler. All rights reserved. Click here to get IMMEDIATE ACCESS to a digital PDF of this target pack. What the 338 Lapua does with horsepower via a significantly larger case, the 300 PRC does with well-designed efficiency. This is the amount of room a cartridge occupies, outside of the case. Unless you really need the additional effect of a 300-grain bullet or the armor piercing payload offered by the larger bore diameter, then there isn’t much justification for the larger more expensive round. The .300 PRC was developed by Hornady as the solution to meet this stringent requirement. Building a cartridge and chamber designed for precision means giving up the belted magnum concept that’s used in the .300 Win. A quick look at the ballistics offered by the PRC shows it to be a tremendously capable 1,500-meter cartridge with numbers nipping right at the heels (and in some cases meeting) the 338 Lapua Magnum. It doesn’t rule any category in terms of accuracy, velocity, efficiency or match component availability but it is a great combination for certain applications. SAAMI is the standards and controls body responsible for the high level of interchangeability and consistency we have among ammunition and firearms from hundreds of manufacturers in the U.S. market. Select Browning X-Bolt Rifles are now chambered in 300 PRC. Non-belted, shoulder headspacing cartridge results in optimal chamber alignment. It hits the mark, quite literally. Mag. Snipers working at 2,000 yards with only a shot or two to make a hit track barrel life meticulously and hate cleaning their barrels for fear of causing a point of impact shift, let alone rebarreling a rifle. The throat is a tight 0.3088. "Maximum cartridge overall length is 3.70" to utilize today's long, high BC bullets. To accomplish the goal, Hornady developed the 300 PRC to “take advantage of long, heavy for caliber bullets that are capable of delivering the highest levels of accuracy and aerodynamic performance.” Currently, Hornady has 225 gr. Pull that 26-inch barrel out and replace it with a handy 20-inch tube. Reloading the 28 is also not inexpensive. No problem. The Barrett MRAD 300 PRC is a match made in Heaven between rifle and ammo. Please provide: Bullet weight and Mfg. Still, the MRAD lets you have your cake and eat it, too. Most manufacturers submitted rifles in 338 Lapua. Preview - Speedload Your Shotgun Like the Pros. Specifications provided by Hornady (from hornady.com). Namely, he points to the need for a cartridge that has a standard, magnum bolt face that properly seats modern, long-range and traditional projectiles outside the case body, provides optimized body taper, shoulder angle, neck length and has a deliberate throat clearance in the chamber. ". Firearms & Survivalists Lifestyle The belt rebate in the chamber wall also leaves room for slop as the bullet enters the chamber, allowing the bullet to wander a bit before seating, which introduces the possibility of the bullet to enter the rifling ever-so-slightly offcenter. The X-Bolt is already widely regarded as an excellent shooter right from the box, and the addition of this flat-shooting new caliber gives big game hunters and long-range shooters a new opportunity to maximize downrange accuracy. To accommodate long, modern bullets as well as traditional bullet designs requires a longer cartridge length that allows the bullet to be seated out of the case body and a chamber design with a throat that does the same. Reloading the 28 is also not inexpensive. The more bullet rise, as we’ll call it, the less precisely the loaded bullet enters the throat. Now I am waffling between the 6.5x284 Norma and the 300 PRC. That can be done in minutes as well. One Browning Place Barrel life, by all accounts is good for this caliber, as it’s generally burning around 70 grains of powder. We want the case to be 100-percent full of the optimum powder to give pressures that make full use of the operating envelope. So, the question we face is whether there’s already a cartridge on the market that answers the long-range call as we’ve outlined. Check the twist rate inscription on every rifle you purchase to confirm it has the rate best for what you intend to shoot. We’ll touch on each of these attributes below. The last decade has seen massive growth and innovation in the precision rifle world. As we explained earlier, this can cause inconsistent presentation of the bullet to the rifling based on headspace variations. Hornady designed the 300 PRC specifically as a long-range precision-shooting rifle cartridge. Propellant selection is good for traditional bullets, up to about 200 grains. 8.5" twist rate to stabilize modern long, heavy bullets. *, 2800 fps from 24" test barrel with 225 gr. And, a ten-thousandth of an inch, or degree, as the bullet begins engraving in the rifling is magnified massively at 1,500 yards once the forces of wind, gyroscopic stability, and gravity have their way with it. Before we get to the combo, let’s explore a little history of how they both came to be. This makes the cartridge sensitive to the rifle’s orientation when firing. Same design methodology as 6.5 Creedmoor results in excellent and dependable accuracy performance. As ubiquitous as the air we breathe, the 308 is accurate, easy to shoot, and offers exceptional barrel life and excellent terminal performance; that is, until the 6.5 Creedmoor showed up. Lots more. On the opposite end of seating depth is cartridge head height. Disclosure: These links are affiliate links. Not a scorcher. So, Hornady smartly placed barrel life prominently on its list of considerations. The .300 Winchester Magnum is perhaps the most beloved hunting rifle cartridge in America. FPSRussia - Prototype Quadrotor with Machine Gun! Less taper equals more case volume for propellant, but more difficult extraction. The ammo of the day simply wasn’t able to meet the required level of consistency at extended distances and with an adequate barrel life. It’s also the current choice among military snipers. The 300 PRC is based on the non-belted 375 Ruger cartridge case and headspaces off of the 30 degree shoulder, resulting in better chamber alignment than standard belted magnum cartridges and allows for improved stacking and feeding from fixed magazines. It’s not without faults, though. It's been a good cartridge with long barrel life at just short of 1600 rounds. Browning welcomes the Hornady 300 PRC cartridge to the X-Bolt rifle line. With easily swappable barrels you can replace a shot-out tube in minutes without a trip to the gunsmith. Match and 212 gr. The rifles are of the standard X-Bolt long-action configuration, with a case head size of .532" and use a magazine that is slightly modified to account for the longer overall length of the cartridge. One, it’s not a SAAMI-approved cartridge, though it’s CIP approved. Its popularity is based on its ability to shoot flat, reach far, and hit hard. There’s a ton of room in there, and it’s impossible to fill it all up. Mag., but the case itself is so long that big bullets dip as deeply into the powder stack as they do in the .300 Win. On the plus side, the throat 0.3091 diameter is much tighter than .300 Win. X-Bolt Western Hunter Long Range Fiber Fusion. The genesis of this trend in its current form came from a rifle program launched by U.S. Department of Defense (DOD) that culminated in a 2010 submission of multiple rifle systems from major industry players. So what happened? Refer to the Hornady website for current specifications. Mag., and there’s far less chance of the bullet tilting into the rifling. The case capacity is huge, but there aren’t a lot of powders that’ll take up that much room and burn well. Hornady developed the 300 PRC cartridge and chamber specification congruently to optimize alignment and tuned performance. 300 PRC ONLY I need your favorite accuracy loads. Further, it was important to design the case that accommodates propellants best suited to long-range shooting and also maximizing barrel life. However, the MRADs submitted to DOD in 2010 did just that. POD-150806, Home » Magazine » Issue 41 » 300 PRC From Hornady Sets New Standard, Built to Win. The Barrett name is synonymous with excellence for a reason. This is a testament to the design that’s been put into the cartridge. Originally developed from the 375 H&H Magnum, which has narrower shoulders than a Portland hipster, it was an OK solution in its day, but headspacing a cartridge from the belt leaves as much as 0.009 inch of room for error in pushing the business end of the round into the chamber throat. And, we know consistency is the basis of precision, so dropping or gaining a few feet per second at the muzzle leads to a change in a bullet’s elevation that grows the farther it travels. The .300 Norma Magnum is growing in popularity despite a few downsides. It appears that you are accessing the Browning Website from outside North America. Powder and charge in grains Cartridge OAL, yes OAL (not to the ogive) Primer Brass Mfg. Your email address will not be published. The case was specifically designed to fit long 200- to 225-grain bullets with the ideal amount of temperature stable powders, such as Retumbo and Reloader 26, while still working well with shorter, lighter bullets using 4831 and Reloader 23. It was first used as a benchrest cartridge, but word of its merits traveled and it eventually caught the attention of a group of cool kids in the U.S. military.