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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles. |
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#1
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357 Auto AR upper?
Has anybody on here done one of these? How well does it work? What kind of velocities does it get? Is it worthwhile, or not so much? Does it use regular 10mm Auto cases? I couldn't find any information on the 10mm magnum that was listed as the parent case. Anybody? Randall?
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#3
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If your talking about a .357 Sig upper, I've never seen one, but they could be a build job using a lower that would take Glock mags.
Same thing would apply to a 9 x 25 Dillon build, you could use Glock 20 mags.
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The way some gunshop clerks spout off, you'd think that they invented gunpowder and the repeating rifle, and sat on the Supreme Court as well. ___________________________________________ "An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." - Jeff Cooper Check my current auctions on Gunbroker - user name bigbasscat - see what left California before Roberti-Roos |
#4
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I think you may be talking about the .357 Auto Mag. This is something from AR15Barrels' website. It appears to be a 10mm case of some sort run through a backed-off .357 sig die, and loaded with 200gr spitzers. It kind of reminds me of a .300 Whisper on steroids.
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#5
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The way some gunshop clerks spout off, you'd think that they invented gunpowder and the repeating rifle, and sat on the Supreme Court as well. ___________________________________________ "An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." - Jeff Cooper Check my current auctions on Gunbroker - user name bigbasscat - see what left California before Roberti-Roos |
#6
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Here is the link:
http://www.ar15barrels.com/prod/357auto.shtml I can't figure out how to copy the image and post it here, as I am an idiotic monkeyboy.
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#9
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No, I am not. Please follow the link. I am well aware or the other cartridges, and would have said .357 Auto Mag or .357 Sig if that was what I meant. This is something I have not seen before. Which is why I was asking about it.
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#10
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The round might have some level of utility, but I don't see what it would do better than other similar rounds. It would be interesting to experiment with it as a round for a suppressed rifle build, but again, it's not breaking much new ground - Lee Jurras developed rounds with a performance envelope similar to this round 30-40 years ago.
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The way some gunshop clerks spout off, you'd think that they invented gunpowder and the repeating rifle, and sat on the Supreme Court as well. ___________________________________________ "An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." - Jeff Cooper Check my current auctions on Gunbroker - user name bigbasscat - see what left California before Roberti-Roos |
#11
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Followed the link. It's a 10MM case getting necked down with a.357 sig die. You would do your self a solid by just messaging Randall... he is on here you know... If you can't figure out what it is by reading that link you provided you hence the "is it a 10mm case?" when it clearly states
"This cartridge is formed by necking down 10mm Magnum cases in a 357 Sig die held 0.300" off the shellholder."Then you probably cant load it |
#12
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In short, it is NOT a 10mm case being used. It is 10mm Magnum. Two different cartridges.
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#15
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Google Map of OLL Dealers List of CA-friendly Manufacturers, Dealers, Middlemen, and Magazine rebuild kit dealers Click me-->So you're a n00b and you want to build an AR? <--Click me This post is based on actual events. Some facts may be altered for dramatic purposes. All posts are pure opinion. All persons, living and dead, are purely coincidental, and should not be construed. |
#16
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Google Map of OLL Dealers List of CA-friendly Manufacturers, Dealers, Middlemen, and Magazine rebuild kit dealers Click me-->So you're a n00b and you want to build an AR? <--Click me This post is based on actual events. Some facts may be altered for dramatic purposes. All posts are pure opinion. All persons, living and dead, are purely coincidental, and should not be construed. |
#17
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Ah, that was the information I needed. I knew it said 10mm Magnum, but I wasn't sure if that was a misprint because it was a cartridge I hadn't heard of before. My motivation is mostly curiosity. Although being able to replicate a .35 Remington through an AR platform would be kind of entertaining too. That could make for an entertaining brush gun.
-Mb
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#18
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If you are interested in it I'm sure Randall could help in building the upper. 10mm Magnum brass is available from Starline. Get some .357 Sig dies and you'd be ready to rock. That'd be a neat, unique AR.
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#19
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Haha yeah because the guy came on here talking about a .357 round from a case that the 10mm was a predecessor to sounded like a .357 sig to me smart*****. Haha.
Last edited by ChrisO; 02-04-2010 at 7:50 PM.. Reason: Not worth it not worth it not worth it. |
#20
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That might be a relevant argument if your first post in this thread wasn't referring to a revolver cartridge.
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#21
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OK. I first skimmed it and figured since he didn't seem to know exactly what cartridge he was talking about I figured a .357 magnum but then I thought about it a little more and figured the only other possibility that I knew of was .357 sig. Just because it wasn't the first thing that came to my head does not mean it isn't relevant but ok bud .
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#22
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I never did make one of these.
I have about 15-20 dummies that I did feeding tests with, but I never ponied up for the custom reamer/gauges that were required to go to the next step.
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Randall Rausch AR work: www.ar15barrels.com Bolt actions: www.700barrels.com Foreign Semi Autos: www.akbarrels.com Barrel, sight and trigger work on most pistols and shotguns. Most work performed while-you-wait, evening and saturday appointments available. |
#23
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Well I guess that means that project is out. What kind of ballistics were you hoping to get out of it?
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#24
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Around 2000fps with a 180gr bullet.
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Randall Rausch AR work: www.ar15barrels.com Bolt actions: www.700barrels.com Foreign Semi Autos: www.akbarrels.com Barrel, sight and trigger work on most pistols and shotguns. Most work performed while-you-wait, evening and saturday appointments available. |
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