Barrel at the time. If you’re looking for a load with less recoil, then maybe download that 180gr load, or do the same with … I've never shot magnum cartridges, and now I'm seriously considering buying a rifle chambered for 300 PRC. That's where the 300 PRC comes in. I like the option that HIGH VOLTAGE mentioned. The short answer is, “Yes”. 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. We want the case to be 100-percent full of the optimum powder to give pressures that make full use of the operating envelope. Let me know your thoughts. I have a 300 RUM that has been tough on both elk and moose. The case capacity is huge, but there aren’t a lot … Hope to see some N570 soon. We’ll touch on each of these attributes below. PRC. Combine this with a loose throat dimension and there’s a good chance that bullet is going to enter the lands slightly off-axis. CMG West, LLC I like all the 300’s, just happen to be smitten with the PRC because it is the newest toy on the box! Add to that the chamber’s maximum 0.315-inch throat diameter, and you’re adding the “hot dog down a hallway” effect that makes it hard to get the .308-inch bullet to enter the rifling at a consistent angle, as Quinlen explains it. Mag.’s belt, and the .300 PRC has less taper and a 30-degree shoulder as opposed to the .300 Win. “There has not been a SAAMI standardized, factory-produced cartridge that combines all of the attributes needed for long-range accuracy,” says Quinlen. The 300 PRC also has a smaller freebore diameter than the .300 Win Mag. What $1200 rifle would you choose? Mag., and there’s far less chance of the bullet tilting into the rifling. 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. The rifle I'm considering is a Christensen Arms Mesa Long Range. A 300 RUM with 180 grain Accubond is 3.55” long. However, this comes at a cost. Mag’s. The Lapua requires a larger more costly action to handle the bolt thrust when fired. Gun Parts - Stocks, Barrels, Actions, etc. Both cases are beltless. Save my name & email in this browser for the next time I comment. The .300 Remington Ultra Magnum uses a rebated case rim which generally blows, since it sacrifices case head surface area and reliable extraction in an effort to match a larger case with a standard-sized bolt face. Reactions: Sniperwannabee , BCX , PowPowHawg and 8 others That interest, no doubt, fueled work on the cartridge and ushered its commercial release along with Hornady’s December 2018 announcement that 300 PRC was “tested and selected by the Department of Defense for its extended long range sniper program …”. This is becuase it can shoot the same or similar bullet faster. It’s not without faults, though. Perhaps the biggest difference between the two cartridges is the massive advantage the .300 RUM has in powder capacity though. The cartridge capacity must also be designed, says Quinlen, with specific, long-range propellants in mind to prevent voids between the bullet base and the powder. As we explained earlier, this can cause inconsistent presentation of the bullet to the rifling based on headspace variations. Without going too far off topic let me pick your brain.... . 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. (And I'd rather not have this thread turn into a 300 PRC vs. anything else, please.) 300 Weatherby has a belt. Bergara .300 PRC Bolt Action Rifles (12 Products) Filter By . I will admit I don't know a whole lot about those others, if I didn't hunt with the 300 RUM it was the 7MM. Perhaps the biggest difference between the two cartridges is the massive advantage the .300 RUM has in powder capacity though. So, the 300 PRC is very similar in overall cartridge length to a CIP 338 Lapua round, and considerably longer than a 300 RUM. (SOON). The .300 PRC’s case is the same diameter as the .300 Win. Lots more. At the time of this writing, only Hornady officially makes brass but I do have some test Bertram Brass.

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