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Started By
Message
re: Federal releases a new cartridge: 7mm Backcountry
Posted on 1/8/25 at 9:02 am to 257WBY
Posted on 1/8/25 at 9:02 am to 257WBY
quote:
We’ve been seeing baby steps forward. Skeptics want to see the next BIG thing, not the baby steps.
Hornady giving everything a creedmoor makeover were the baby steps. Increasing pressure to 80K has the potential to make all cartridges more efficient, which is a big step.
0
Posted on 1/8/25 at 9:08 am to 257WBY
quote:
We’ve been seeing baby steps forward. Skeptics want to see the next BIG thing, not the baby steps.
Material and manufacturing advances that is cartridge displays are exactly what will lead to the next big thing. People complaining lack perspective and while there is nothing wrong if you love a legacy cartridge, there's also nothing wrong for newer shooters to adopt improved cartridges that offer off-the-shelf performance increases that used to be only had if you handloaded. If I get a 7 PRC rifle it's not because I think 7RM isn't up to the task, it's because 7 PRC will have the out of the box performance and come in a rifle I can drive to a warehouse and pickup in 20 minutes from my house that will do things the 7RM aficionados have spent the last 4 - 5 decades working up to.
This post was edited on 1/8/25 at 9:09 am
Posted on 1/8/25 at 9:08 am to 257WBY
quote:
Their pet cartridge is a 7mm SAUM. With turrets, they say you don’t have to have the hottest round out there.
Another hint as to why this could be a big deal.
The SAUM is very similar to the 280 AI in case capacity. They both sit right at the point where more powder just gives a diminishing return of velocity, and instead sends more of that powder out the muzzle and into your shoulder. The limiting factor for finding that optimum is case pressure.
Federal (who very well could be full of shite) is claiming to have broken through that bottleneck, to the extent that at higher pressure the powder will contribute more to velocity and not increased recoil or muzzle blast. Aka higher cartridge efficiency.
Posted on 1/8/25 at 9:14 am to 257WBY
quote:
With turrets, they say you don’t have to have the hottest round out there
You don't need a hot round at all. A kestrel, a compatible range finding binocular, a good reliable scope, and the nut behind the trigger is easily made into the weakest link. With all those goodies, the cartridge is nearly irrelevant. Of course it does matter, but a bad wind call is literally the only limiting factor inside of 1,000 yards with any cartridge, how limiting your bad call is does depend on the bullet and flight time. Yall get the point though.
quote:
Poor shooting was mentioned. I do think suppressors could be a great help with that.
No doubt. Supressors should be standard equipment, especially on a long range rig. Less recoil and blast is always a good thing.
Posted on 1/8/25 at 9:16 am to baldona
quote:
you want extreme performance, its a moderate expense.
No argument here, you just said you were curious. Barrel life is rarely a concern in a hunting rifle, but it’s also a misconception that barrel performance just falls off a cliff one day. Highly overbored cartridges are inherently harder to handload for, and that’s why.
Posted on 1/8/25 at 9:21 am to TheDrunkenTigah
quote:
Federal (who very well could be full of shite) is claiming to have broken through that bottleneck, to the extent that at higher pressure the powder will contribute more to velocity
We saw exactly that when the Army adopted a new 6.8mm cartridge for combat units. Sig used a two-piece case with a steel in the area that needed more strength than brass could reasonably offer. Can brass cases be made to handle the pressures here? Certainly, but at what cost? This steel alloy case looks like it's hardly any thicker than traditional brass cases, even thinner in some respects. Reloading might be a reach for all but the most dedicated but in the end this is giving hunters and sport shooters a capability packaged in a way that didn't truly exist before.
Posted on 1/8/25 at 9:25 am to Clames
quote:
Material and manufacturing advances that is cartridge displays are exactly what will lead to the next big thing.
This ^^^ I'm not getting a 7mm BC, but very interested in where it leads.
Posted on 1/8/25 at 9:32 am to Clames
quote:
Reloading might be a reach for all but the most dedicated
This is the make or break issue. As it stands they’re claiming this is going to reload like brass, you just can’t see pressure signs so sticking to the published max will be a must, while hand loaders have traditionally treated book maxes like polite suggestions. Modern actions are proofed to much higher pressure, brass is the limit.
There’s a chance this could lead to buying 50 alloy 30-06 cases, loading fast powder using your existing dies, and getting 300 wm performance with less recoil. That’s the definition of innovation.
This post was edited on 1/8/25 at 9:34 am
Posted on 1/8/25 at 10:01 am to TheDrunkenTigah
quote:
There’s a chance this could lead to buying 50 alloy 30-06 cases, loading fast powder using your existing dies, and getting 300 wm performance with less recoil. That’s the definition of innovation.
This could lead to just plain off the shelf .308 and 30-06 loaded in these cases. My Ruger Gunsite Scout .308 could certainly handle it and conceivably give me the same performance out of the 18" barrel it has as if it had a 24" barrel.
Posted on 1/8/25 at 12:30 pm to TheDrunkenTigah
It was stated that Federal is working with die companies but it will be a while before they are released. You will need a die that can handle the hardness of the alloy.
Posted on 1/8/25 at 1:20 pm to ruger35
I run carbide dies already, so I don't think it's as much a hardness thing but case lubricant and precise dimensions and allowed tolerances. Also how many steps and full-length sizing vs neck sizing and expected case life.
Posted on 1/9/25 at 6:50 am to Clames
quote:
Also how many steps and full-length sizing vs neck sizing and expected case life.
I listened to two different podcasts (shoot2hunt&livewild) on my ride this morning, both had pretty interesting info in them.
S2h said that claims are needing 12 steps to reload, they also brought up some claims that other cartridges wouldn’t be able to use the steel due to making sure that a 80k cartridge not being put into an action not capable of it.
Pretty good listen to both of them and plus delta of it.
Posted on 1/9/25 at 7:00 am to Ol boy
As one who bought a .270 WSM for my son, only to see it, and most ammo go away, I couldn’t agree more. Should have just bought him a .270 like mine.
Call me skeptical right out of the gate.
Call me skeptical right out of the gate.
Posted on 1/9/25 at 7:22 am to TheDrunkenTigah
quote:
Would be cool to get a little extra out of things like 7mm-08 without messing with a new chamber.
My understanding is that the big upgrade is actually the case and it's ability to handle pressure. They created a new cartridge because the SAAMI pressure restrictions on current cartridges prevent them from making 80,000psi 7mm-08. I would think they could label it +P and roll on but I wouldn't know SAAMI or ammo production rules from hockey rules.
Posted on 1/9/25 at 4:46 pm to Ol boy
quote:
they also brought up some claims that other cartridges wouldn’t be able to use the steel due to making sure that a 80k cartridge not being put into an action not capable of it.
CIP countries certify cartridges at 125% of max pressure (around 75ksi for .308 Win) in current brass cases. I don't think most bolt-actions made in the last few decades are going to sweat it. Now, if someone tried to run an AR on such ammo that might be a problem but then again what would stop a company like Nemo from building an AR-type rifle in this?
Posted on 1/9/25 at 8:24 pm to TheDrunkenTigah
I want one
Posted on 5/29/25 at 7:53 am to TheDrunkenTigah
I just noticed that Savage is making the 110 in 7mm Backcountry. For $550 it's tempting to check it out.
Posted on 5/29/25 at 7:58 pm to Loup
I recently purchased the 110 trail hunter lite in 7mm bc. Solid feeling rifle, 1" groups and recoil isn't bad.
But I'm have problems with the casing sticking after firing. Currently i have a casing stuck in the chamber and the bolt is jammed closed. Waiting to hear back from savage.
But I'm have problems with the casing sticking after firing. Currently i have a casing stuck in the chamber and the bolt is jammed closed. Waiting to hear back from savage.
Posted on 5/29/25 at 8:12 pm to KillingTime
quote:
Currently i have a casing stuck in the chamber and the bolt is jammed closed. Waiting to hear back from savage
Damn, hope they can make it right.
Posted on 5/29/25 at 8:16 pm to KillingTime
quote:
But I'm have problems with the casing sticking after firing. Currently i have a casing stuck in the chamber and the bolt is jammed closed.
Pressure issues. Might possibly be because the chamber isn’t to spec or something with the ammo.
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