Optimizing 7mm Performance for Hunting
Backcountry Hunting Podcast
Joseph von Benedikt
4.9 • 1.1K Ratings
🗓️ 1 April 2022
⏱️ 83 minutes
🧾️ Download transcript
Summary
7mm-caliber cartridges are capable of taking any hooved, non-dangerous game in the world—as long as they're paired with the right bullet. This episode takes a deep dive into the 7mm world, from the historic 7x57 Mauser that started it all up through the cutting-edge modern "sevens."
Focus is on how to get the best-possible performance out of your 7mm cartridge, whatever it might be. We use the following criteria:
- Intended use (game type and anticipated shot distance)
- Big game. Elk up through moose & bison
- Deer-size game
- Short shots in timber (tough, deep penetrators)
- Long shots (accurate, highly aerodynamic projectiles)
- Cartridge capacity (propellant, which equals velocity)
- Three categories of cartridge
- 28 Nosler
- 7mm Rem Mag
- .280 Ackley
- 7mm SAUM
- 7x57 Mauser
- 7mm-08 Rem
- Rifling twist rate
- 1:9.5, 1:9, and the oh-so-useful 1:8/1:8.5s
- Barrel length
- For maximum velocity
- For use with a suppressor
- Accuracy in short vs. long barrels
- Rifle weight
- Pros & cons of rifle weight
- Shooter recoil sensitivity
- Maximizing rifle shootability
Final thought: Hunt the world with a 7mm. Confidently.
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Transcript
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| 0:00.0 | 130 years ago German designer Paul Mauser created a cartridge that would influence the future of fighting and hunting around the entire world. |
| 0:12.0 | His 7 by 57 millimeter cartridge was decades ahead of its time |
| 0:17.6 | and is the forefather of all of the great 7m. and 28 caliber cartridges so popular today. 7m. was also the first and for a half |
| 0:28.6 | century the only metric caliber wholeheartedly embraced by American hunters and shooters and |
| 0:35.2 | although the 6.5 millimeters have currently edged ahead in popularity amongst |
| 0:41.0 | shooters the 7 mmmMs are still better for hunters. |
| 0:46.5 | Welcome to the backcountry hunting podcast. |
| 0:49.2 | I'm Joseph von Benedict and today our episode is all about getting the best possible performance |
| 0:56.4 | out of your 7mm caliber cartridge and we're going to touch on most of the |
| 1:01.0 | popular rounds on the market, but we'll focus more on bullet |
| 1:05.9 | weights, bullet types, rifling twist rates, rifle weights, and so forth. First though, let's go to our upfront Q&A section brought to you this week by Spartan |
| 1:18.3 | precision equipment, maker of my all-time favorite ultralight hunting bipods. |
| 1:25.0 | And before I forget, you can submit questions for our Q&A section through |
| 1:30.0 | Patreon.com slash backcountry. Those always get priority or via email at Joseph at backcountry podcast. |
| 1:40.0 | com or even on our Instagram page although candidly I have a harder time giving a complete reply |
| 1:46.2 | when I'm typing with my thumbs on my smartphone, which is where I check Instagram. Our question today is from a listener will call Travis and he writes, |
| 1:58.0 | hi Joseph, I am newish to hunting and have focused primarily on bow hunting. However, I also wanted to have a good |
| 2:05.8 | all-around hunting rifle capable of handling most game. So I bought a 7m. Remington Magnum. |
| 2:18.0 | I've only put a few boxes through it, but I've struggled to get good groups. I've tried a few different kinds of amal, so I wonder if it is one user error i.e. inconsistent or poor form or two the rifle |
| 2:28.6 | It's a savage axis so a lower end model, or possibly the barrel not being broken in or three, a combination of these |
| 2:39.6 | factors. |
| 2:41.6 | It's easy enough to try different kinds of ammo, despite the shortages, but I'm curious |
... |
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