338 spectre12/4/2023 ![]() 22 “Prairie Dog Killer” inspired today’s 22 Nosler. 32 H&R Magnum cases lying around, or are bored beyond belief, this cartridge is a waste of time. Pushing a 20-grain bullet to about 3300 fps, ballistically it falls between the. 17-caliber and chamber a Ruger #3 single-shot rifle to fire them. He decided to neck the pistol cartridge cases down to. Pilant says it came to him in the middle of the night, but he’s not sure whether it was a dream or a nightmare. 17-32 Magnum came about because Pilant was trying to figure out what to do with more than 1,000 empty. Unlike most wildcats, which are conceived to solve some shooter’s ballistic conundrum, the. Richard MannĪvid shooter and long-time Sierra Bullets employee Carroll Pilant created this cartridge. 17-32 Magnum to use up a bunch of leftover cartridge cases. And while there’s really nothing wrong with any of them-no one really wanted them either. They didn’t take off because, well, they’re a little weird. Here are five wildcats you’ve probably never heard of, and probably never will again. This is mostly because the only person who cared about the ballistic need they addressed was the person who created them. But most wildcat cartridges never achieve any popularity. They were all created to address certain ballistic needs, and some were so successful that they ultimately became approved by the Sporting Arms and Ammunition Manufacture’s Association (SAAMI) and went on to become legends. There are a lot of famous wildcat cartridges, like as the. No JD jonesing involved.We may earn revenue from the products available on this page and participate in affiliate programs. They used the 338BR in silhouette competition back in the 60s before jd was playing with whispers.and this one is really a full size BR case with the neck set to the cal you want. JD jones seems to get upset when folks use his trademarked whisper name and its not worth fooling with him. We have been calling this one the 338BR to avoid confusion with the 223 based cartridge and also because it was the first one to have been used. You can do it in one but the neck thickness isn't as consistent. The lapua stuff is much better and we normally use two buttons to bring the neck diameter up from 6mm. I've had the sides split the first shot and consistency case to case is crap. I started out using Remington 7BR brass which is available every once in a while but it is crap brass. The reamer I'm using doesn't seem to care, neck area is large enough to accept the ridge. I haven't seen any accuracy differences but some chambers don't like the ridge left when you pull the shoulder up into the neck on the 6mmBR cases. I've done a few AR 10 types and they work well but aren't as accurate as the bolt guns. 473" bolt face and typical short actions work fine. All of them have been very accurate, easy to load for and the quietest subsonics I've yet heard suppressed. A friend using my reamer had done a number of Remington 700's and they are great shooters. 8 in twist is standard though some prefer a bit faster if they run copper solids or the lehigh brass solids. We are shooting everything from 300gr Sierra matchkings at 1050fps to 180 Barnes or Hornady at 2300fps or more depending on barrel length. The reamer is available from PTG I think.have to look at mine. There is another 338 whisper based on the necked up 223 case that is a waste of time. We use 6mmBR cases made by Lapua necked up to 338. Its based on the 30 Benchrest which is a shortened 308 case. I've done quite a few barrels for the Desert tacticals in 338BR which some call the 338 whisper.
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