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Link Posted: 1/21/2019 5:52:20 PM EST
[#1]
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Quoted:
just to clarify for my dumb self, this uses .357 mag diameter bullets?

That would make an extremely versatile subsonic cartridge. A reloader's dream, really.
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even better if it used .356 or .355, as you could size anything from .357 mag to .380 acp down a thou at a time to have even more options.
Link Posted: 1/21/2019 6:40:35 PM EST
[#2]
I hope Winchester offers those bullets as components.  I'd like to try them in .358 winchester, and maybe even my 9x57 mauser.
Link Posted: 1/21/2019 6:43:52 PM EST
[#3]
Where this cartridge will be popular is state like Mi shotgun zones . We sell a bunch of 44mag CVA's for young hunters but they are long and heavy . Rim cartridges wont work in bolt guns or AR15 platform very well so there's a hole in the market.
I was at a friends house he was chopping 223's wanting to build  bolt gun . Nice part is this being offered in a factory cartridge I need to find a reamer !
Link Posted: 1/21/2019 6:49:33 PM EST
[#4]
Certainly interesting.  I tend to like things 45, but there are some interesting things going on.

Given the rim diameter, one would think pressure could be pretty high.  Given the vast array of powders out there these days, I would think it possible to attain good energies, even with the smaller case (v. 6.8 or 458S etc).  As was previously noted, guns like Contenders and even the AR15 using standard bolts, would seem like a good fit.

One thing to also consider is that this case will have to headspace on the case mouth.  So OAL length and trimming might have to be dealt with, in some capacity.

The issue with headspacing on the case mouth is going to limit crimps to taper style.  Depending on the energy levels and recoil, this could be problematic for super heavy bullets.

With the 458S, as an example, due to the rim size and subsequent needed reduction in chamber pressure/back thrust on the bolt, the 458S in the AR had to have chamber pressures reduced from the nominal 556 pressures.  Folks have been using the 458S in bolt actions (in the Mutant and AR10 bolt size), and finding that they can safely increase chamber pressures over their AR15 counterparts.

If Winchester is planning on running and designing for a bolt action first, does this mean that moving to the AR platform would require the ammo to be throttled back some?  Or will the ammo already be throttled a bit to SAAMI the thing, and be safe for the AR platform, right out of the gate?

For folks who like to tinker at the reloading bench, this could quite fun.
Link Posted: 1/21/2019 6:57:34 PM EST
[#5]
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Quoted:

For folks who like to tinker at the reloading bench, this could quite fun.
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Link Posted: 1/21/2019 6:57:35 PM EST
[#6]
With a case length of 1.71", I think it should be possible to seat the Hornady 200 grain FTX to mag length.

That bullet is designed for the .35 Remington and should exhibit excellent terminal ballistic properties at 2000 fps.
Link Posted: 1/21/2019 7:07:17 PM EST
[#7]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I hope Winchester offers those bullets as components.  I'd like to try them in .358 winchester, and maybe even my 9x57 mauser.
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Or a wide array of bullets fir my 35 Whelen
Link Posted: 1/21/2019 7:07:37 PM EST
[#8]
This could be way better than 300 AAC.
Link Posted: 1/21/2019 7:09:13 PM EST
[#9]
... that's some impressive ballistics
Link Posted: 1/21/2019 7:23:22 PM EST
[#10]
2000 FPS is at the muzzle.  At 200 yds it looks marginal for elk.

Still, I’m interested.
Link Posted: 1/21/2019 7:47:41 PM EST
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
At 200 yds it looks marginal for elk.
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Ya' think? Neat round though, could be fun.
Link Posted: 1/21/2019 7:49:42 PM EST
[#12]
350 Legend Hunting Cartridge | Winchester Ammunition
Link Posted: 1/21/2019 7:52:21 PM EST
[#13]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Ya' think? Neat round though, could be fun.
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Quoted:
Quoted:
At 200 yds it looks marginal for elk.
Ya' think? Neat round though, could be fun.
Should work well within its range, and make a nice light timber gun.
Beats the hell out of this for carrying.

Attachment Attached File
Link Posted: 1/21/2019 7:55:22 PM EST
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Certainly interesting.  I tend to like things 45, but there are some interesting things going on.

Given the rim diameter, one would think pressure could be pretty high.  Given the vast array of powders out there these days, I would think it possible to attain good energies, even with the smaller case (v. 6.8 or 458S etc).  As was previously noted, guns like Contenders and even the AR15 using standard bolts, would seem like a good fit.

One thing to also consider is that this case will have to headspace on the case mouth.  So OAL length and trimming might have to be dealt with, in some capacity.

The issue with headspacing on the case mouth is going to limit crimps to taper style.  Depending on the energy levels and recoil, this could be problematic for super heavy bullets.

With the 458S, as an example, due to the rim size and subsequent needed reduction in chamber pressure/back thrust on the bolt, the 458S in the AR had to have chamber pressures reduced from the nominal 556 pressures.  Folks have been using the 458S in bolt actions (in the Mutant and AR10 bolt size), and finding that they can safely increase chamber pressures over their AR15 counterparts.

If Winchester is planning on running and designing for a bolt action first, does this mean that moving to the AR platform would require the ammo to be throttled back some?  Or will the ammo already be throttled a bit to SAAMI the thing, and be safe for the AR platform, right out of the gate?

For folks who like to tinker at the reloading bench, this could quite fun.
View Quote
We found this with the 450 Bushmaster in a bolt gun you can push it much harder  . We are hoping the case has a little taper so it will feed better in a bolt gun . I put a 45 rapter together in a bolt gun and with the case walls being straight it doesn't like to feed as well as the 450 .
Link Posted: 1/21/2019 7:57:05 PM EST
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
2000 FPS is at the muzzle.  At 200 yds it looks marginal for elk.

Still, I’m interested.
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Well yea, but what cartridge with a COAL of 2.2" is gonna be viable much farther?
Link Posted: 1/21/2019 8:12:58 PM EST
[#16]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Well yea, but what cartridge with a COAL of 2.2" is gonna be viable much farther?
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Quoted:
Quoted:
2000 FPS is at the muzzle.  At 200 yds it looks marginal for elk.

Still, I’m interested.
Well yea, but what cartridge with a COAL of 2.2" is gonna be viable much farther?
The Grendel.
Link Posted: 1/21/2019 8:26:30 PM EST
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

The Grendel.
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Elk? At 200?  No, that's silly.
Link Posted: 1/21/2019 8:29:48 PM EST
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

The Grendel.
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How far are you taking that out to comfortably?

300 maybe?
Link Posted: 1/21/2019 9:33:07 PM EST
[#19]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I’m intrigued.

If this out Blackouts the Blackout, it could be pretty cool.
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I guess it all depends on what criteria

300blk will still have the edge for subsonic at distance

With the heavy .30 cal high BC bullets starting at 1000fps it takes over 300 yards to drop below 900fps IIRC
Link Posted: 1/21/2019 9:47:13 PM EST
[#20]
For hunters requiring straight wall, cool. Others, meh. 358 Yeti smokes it by 500 FPS.
Link Posted: 1/21/2019 9:50:39 PM EST
[#21]
158 or 180 xtp’s would smoke. Rimless 357 mag/max has potential.
Link Posted: 1/21/2019 9:51:43 PM EST
[#22]
9mm super magnum
Link Posted: 1/21/2019 9:52:17 PM EST
[#23]
Link Posted: 1/21/2019 9:52:43 PM EST
[#24]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Very exciting cartridge.   Similar performance to a .357 magnum carbine, with 25% more weight.
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Or more velocity from same weight bullet
Link Posted: 1/21/2019 10:45:08 PM EST
[#25]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I'm going to die if we're able to buy Winchester marked ARs.
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Quoted:
Quoted:
Quoted:

The XPR looks underwhelming.
Once the XPR is rolled out, I bet it comes out in the M70s pretty quick.
I'm going to die if we're able to buy Winchester marked ARs.
Damnit.  I don’t need another AR but...fuck, must have.
Link Posted: 1/22/2019 12:45:45 AM EST
[#26]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
How far are you taking that out to comfortably?

300 maybe?
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Quoted:
Quoted:

The Grendel.
How far are you taking that out to comfortably?

300 maybe?
400 or so. Maybe further depending on the conditions.
Link Posted: 1/22/2019 5:58:22 PM EST
[#27]
Interesting.

And here I was thinking I was done with ARs.

Maybe not.
Link Posted: 1/22/2019 6:06:32 PM EST
[#28]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Interesting.

And here I was thinking I was done with ARs.

Maybe not.
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Yep I'm down for a new pistol build in this even if it's only okay.
Link Posted: 1/22/2019 6:15:53 PM EST
[#29]
Will this fit 30rds in a 30rd mag?

If so, could be a really cool close range SBR caliber.
Link Posted: 1/22/2019 6:52:43 PM EST
[#30]
Discussion ForumsJump to Quoted PostQuote History
Quoted:  Will this fit 30rds in a 30rd mag?

If so, could be a really cool close range SBR caliber.
View Quote
Given the lack of taper in the case, not likely.  Will require special straight mags - might work well from the UniMag, might not, but won't get 30 in a curved mag.
Link Posted: 1/22/2019 8:19:58 PM EST
[#31]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Given the lack of taper in the case, not likely.  Will require special straight mags - might work well from the UniMag, might not, but won't get 30 in a curved mag.
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Quoted:
Quoted:  Will this fit 30rds in a 30rd mag?

If so, could be a really cool close range SBR caliber.
Given the lack of taper in the case, not likely.  Will require special straight mags - might work well from the UniMag, might not, but won't get 30 in a curved mag.
Link Posted: 1/22/2019 8:24:07 PM EST
[#32]
Interesting concept, I’ll definately be watching to see how it goes.
Link Posted: 1/22/2019 8:27:30 PM EST
[#33]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Given the lack of taper in the case, not likely.  Will require special straight mags - might work well from the UniMag, might not, but won't get 30 in a curved mag.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:  Will this fit 30rds in a 30rd mag?

If so, could be a really cool close range SBR caliber.
Given the lack of taper in the case, not likely.  Will require special straight mags - might work well from the UniMag, might not, but won't get 30 in a curved mag.
I have been wondering if a 20 round mag with a different follower could be loaded fully.
Link Posted: 1/22/2019 8:37:38 PM EST
[#34]
I find the lack of information on this cartridge post-release to be disappointing.
Link Posted: 1/22/2019 8:43:44 PM EST
[#35]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
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I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
Link Posted: 1/22/2019 8:44:22 PM EST
[#36]
What sucks is the 1.7" case length. I have a .357 AR Maximum. Similar but 1.6" case. Got excited that there might suddenly be factory ammo.
Link Posted: 1/22/2019 8:46:53 PM EST
[#37]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
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You mean in real world ballistics or ar compatibility?

The latter has me somewhat concerned as most of the successful cartridges had barrels or firearms out at launch.
Link Posted: 1/22/2019 8:50:40 PM EST
[#38]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
If you look at the terrain of places with those restrictions, it’s usually very FLAT. You’re not shooting a .30-06 in a valley with a solid backstop. You’re shooting in a farm field or grass yard behind your house, maybe from a ground blind. Hopefully from a tree stand, but probably not. The laws are intended so that you’re not shooting a rifle bullet on a ballistic arc into the next county, so everything is pretty much limited to muzzleloader/shotgun slug ballistics. Ohio eased into it by allowing a limited list of obsolete cowboy action cartridges to be used in rifles, but got so much input that they opened it to “all straight wall.”

I’ve been looking to build a .450 bushmaster, but with this .357 getting popular, I may build an AR in it. I also have a Savage axis (started .223) that I put a 300 blackout barrel on, but now I may rebarrel to 357 so I can take a cheap, lightweight rifle hunting on Ohio trips. Im prettymuch over lugging the 870 around and watching it rust away.
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Quoted:
Quoted:

I know it's dumb to ask what the logic is behind a firearms law, but why would there be a restriction for only straight wall cartridges?  
If you look at the terrain of places with those restrictions, it’s usually very FLAT. You’re not shooting a .30-06 in a valley with a solid backstop. You’re shooting in a farm field or grass yard behind your house, maybe from a ground blind. Hopefully from a tree stand, but probably not. The laws are intended so that you’re not shooting a rifle bullet on a ballistic arc into the next county, so everything is pretty much limited to muzzleloader/shotgun slug ballistics. Ohio eased into it by allowing a limited list of obsolete cowboy action cartridges to be used in rifles, but got so much input that they opened it to “all straight wall.”

I’ve been looking to build a .450 bushmaster, but with this .357 getting popular, I may build an AR in it. I also have a Savage axis (started .223) that I put a 300 blackout barrel on, but now I may rebarrel to 357 so I can take a cheap, lightweight rifle hunting on Ohio trips. Im prettymuch over lugging the 870 around and watching it rust away.
All very terue but here's the stupid part. In IA I am limited to straight wall rounds...for deer. If I want to shoot coyotes with a longrange bottleneck no problem. If I want to turn a yote inside out .338 Lapua would be legal.
Link Posted: 1/22/2019 8:50:58 PM EST
[#39]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Earlier referenced article says $9.99 / 20 msrp, so that may not be unreasonable.

Honestly looking forward to this, I think it will be very fun suppressed with the proper barrel twist and a big fat cast bullet. Should be able to get away with most any 9mm can with a decent barrel length I would think with subsonics.
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Rifle ballistics in a case that doesn’t need trimming plus a powder coated cast boolit...it’s logistically very favorable for handloading.
Link Posted: 1/22/2019 9:03:12 PM EST
[#40]
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Quoted:
I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
Link Posted: 1/22/2019 9:05:15 PM EST
[#41]
Everyone that makes note about a cartridge that doesn't need trimming



Is it really that hard?
Link Posted: 1/22/2019 9:07:47 PM EST
[#42]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
I'm hoping they're just being coy about it. As they compare it to .223, 300 BLK, and 450 bushmaster.
Link Posted: 1/22/2019 9:21:03 PM EST
[#43]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
Dude, it's Winchester.

I'm all in, paying full retail or whatever, to get a Winchester marked lower, though. If that happens.
Link Posted: 1/22/2019 9:34:22 PM EST
[#44]
Discussion ForumsJump to Quoted PostQuote History
Quoted:. I have been wondering if a 20 round mag with a different follower could be loaded fully.
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It's the inverse of 7.62x39mm.  Maybe 15-16 rounds in a straight 20 round mag?  Piled like brass cigarettes.  Get a couple of steel ProMag 20 rounders and weld them base to base, now you've got 30 rounds and can feed from either end.  
Link Posted: 1/22/2019 9:36:35 PM EST
[#45]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

It's the inverse of 7.62x39mm.  Maybe 15-16 rounds in a straight 20 round mag?  Piled like brass cigarettes.  Get a couple of steel ProMag 20 rounders and weld them base to base, now you've got 30 rounds and can feed from either end.  
View Quote
A straight 30-40 round mag would be pretty sweet.
Link Posted: 1/22/2019 9:41:34 PM EST
[#46]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Dude, it's Winchester.

I'm all in, paying full retail or whatever, to get a Winchester marked lower, though. If that happens.
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Quoted:
Quoted:
Quoted:
Quoted:
I find the lack of information on this cartridge post-release to be disappointing.
I don't think it was intended as an AR cartridge, at all, so Winchester may not have anticipated its reception.
The idea that a major manufacturer would develop a .223 based cartridge in 2019 and NOT have an AR variant is dumbfounding.

Is that really what happened here?
Dude, it's Winchester.

I'm all in, paying full retail or whatever, to get a Winchester marked lower, though. If that happens.
I’m under the impression that Winchester Arms and Winchester Ammo are different companies, but I might have them confused.
Link Posted: 1/22/2019 9:49:33 PM EST
[#47]
Link Posted: 1/22/2019 9:54:18 PM EST
[#48]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

An elderly gentleman once told me the 7mm Mashburn was the pentacle of cartridges for taking game.
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It's a talisman?
Link Posted: 1/22/2019 9:58:37 PM EST
[#49]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
158 or 180 xtp’s would smoke. Rimless 357 mag/max has potential.
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158xtp’s will fragment at 2,000fps.

180gr might work.
Link Posted: 1/22/2019 9:59:57 PM EST
[#50]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Will this fit 30rds in a 30rd mag?

If so, could be a really cool close range SBR caliber.
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No. You’ll get 25-26 350L in a 30 round 5.56.
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