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sports96
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Posted: 7/11/2013 1:13:02 PM
Where do you get your barrel from? I have 2 ar15s and want to convert 1 to a 300 blackout. So im looking for a good barrel. Is that all I have to do is switch the barrels? At least thats what ive read. I was told to get a 1:7 twist also. Any help would be greatly appreciated. Thanks
sanausnol
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Posted: 7/11/2013 1:14:57 PM
amcardon
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Posted: 7/11/2013 1:53:03 PM
Check out the 300blktalk forums. How much do you want to spend on a barrel? Low-end (price wise) check out a SOTA barrel, lots of good reviews. I have one from ar15hardware.com that I haven't tested out yet. Then you can go up to the high end manu barrels such as the noveske. Wilson Combat has a few in stock as well...
sports96
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Posted: 7/11/2013 2:25:34 PM
$250 - $300 range
sports96
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Posted: 7/11/2013 2:40:56 PM
Ok I found this one on guntrader CMMG 16" 300 Blackout AR 15 Barrel AR15 AAC BLK for $274 delivered. Next question it says the barrel has the gas port positioned for use with pistol-length gas systems and works with subsonic and supersonic ammunition. So the gas tube I currently have on my Ar15 wont work?
CJDecker
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Posted: 7/11/2013 3:11:05 PM
Here is an in stock one
http://www.aimsurplus.com/product.aspx?item=XATIB300AAC&name=Mossberg+16%22+.300+BLACKOUT+AR+Barrel&groupid=573
torrent7
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Posted: 7/11/2013 3:40:23 PM
http://www.surplusammo.com/barrels/

Local place just south of me, I ordered a bhw 18" 5.56 barrel from them a few weeks ago. It is a tack driver (sub MOA). I don't know anything about the 300blk barrels though. I'm very happy with mine though.
fslflint
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Posted: 7/11/2013 9:59:55 PM
check marks armory
calaveras
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Posted: 7/12/2013 12:45:32 AM
[Last Edit: 7/12/2013 12:46:24 AM by calaveras]
I've heard lots of good things about Rainier Arms barrels. These two are in stock:

http://www.rainierarms.com/?page=shop/detail&product_id=3658

http://www.rainierarms.com/?page=shop/detail&product_id=3680

Plus, 90 day 100% refund, no questions asked. Sounds like they stand behind their product.
Shooter_Mc_Gavin
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Posted: 7/12/2013 12:58:29 AM
No joke, why go 300 blackout .... I searched for a friend all day today to find ammo....I thought 22LR was hard to find.
sanausnol
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Posted: 7/12/2013 1:00:08 AM
Originally Posted By Shooter_Mc_Gavin:
No joke, why go 300 blackout .... I searched for a friend all day today to find ammo....I thought 22LR was hard to find.


The ammo is hard to find but it is out there. Will make a comeback soon enough now that 5.56 has returned to somewhat normalness.
Shooter_Mc_Gavin
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Posted: 7/12/2013 1:01:14 AM
Just a heads up Cabelas online is not limiting you to ammo like 5 boxes..... you can order as much as you want and just pick up in store. I have been hawking it all day.
Shooter_Mc_Gavin
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Posted: 7/12/2013 1:04:03 AM
The only ammo it's limiting you to is 22lr lol 1 box.... but you can order 3,000 rounds of brass .223 and pickup in store for .48 a round.....
mjbennett
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Posted: 7/12/2013 5:09:59 AM
Originally Posted By sports96:
Ok I found this one on guntrader CMMG 16" 300 Blackout AR 15 Barrel AR15 AAC BLK for $274 delivered. Next question it says the barrel has the gas port positioned for use with pistol-length gas systems and works with subsonic and supersonic ammunition. So the gas tube I currently have on my Ar15 wont work?


To answer your question, you will need a pistol length gastube. Your 2 ar rifles wil be atleast carbine length or longer. Pistol Lenght is probably the better setup for 300 blk. I have a carbine length barrel from AAC and I had to change powders to Accurate 1680 to get the subsonics loads to cycle.
Modly
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Posted: 7/12/2013 6:49:32 AM
Originally Posted By Shooter_Mc_Gavin:
No joke, why go 300 blackout .... I searched for a friend all day today to find ammo....I thought 22LR was hard to find.


It's certainly a caliber for reloaders.

I love my blackout rifle, and I'm really excited to try out the new Leupold Mark 4 with the blackout reticle that I just got some more. I'll have to pump out more brass to load up some more rounds though.
garyd
.300 Blackout For The Win
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Posted: 7/12/2013 7:29:05 AM
[Last Edit: 7/12/2013 7:30:13 AM by garyd]
In all honestly unless you plan on selling the other .223 barrel, i would put together a complete upper and just switch bolt and carriers. At least that is how i started, of course eventually the .300 blk uppers got their own lowers, and bolt and carriers. Of course so did my dedicated .22 upper.

With the particular barrel you mentioned it would require a pistol gas tube and I would recommend a low profile gas block. that a rail system or hand guards over.

a 16 inch barrel with a carbine gas system will work. Generally when you go less than 16 inches a pistol length system is needed to function with subsonic. Obviously several manufactures are using the pistol length with 16 in barrels and this seems to work very well for subsonics.

And yes it a fun round to reload for. i actually have not even purchased a single factory 300 blk/300 whisper round and I have fired thousands of them.
C co 2/325th AIR 91-96 11B1P
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Posted: 7/12/2013 7:57:56 AM
Originally Posted By garyd:
And yes it a fun round to reload for. i actually have not even purchased a single factory 300 blk/300 whisper round and I have fired thousands of them.


There aren't many cartridges that have bullets that are longer than the brass that holds them.

That certainly makes reloading them seem interesting to me.

But without a doubt, my blackout rifle is the one that is most fun to shoot, and starts the conversations at work. My only regret was not getting my stainless barrel blackened.
deuc224
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Posted: 7/12/2013 5:55:20 PM
Originally Posted By Shooter_Mc_Gavin:
No joke, why go 300 blackout .... I searched for a friend all day today to find ammo....I thought 22LR was hard to find.


I gave up on it too. Just sold my cmmg wasp barrel in the EE cuz its almost impossible to find the sub bullets.
Rangemaster556
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Posted: 7/13/2013 2:02:17 PM
I got my bbl at my local shop. Just got done with everything but the flash hider. They were out of 5/8th crush washers. Here is a Link

I also found ammo on line at freedom munitions for $.71 a round. Here is a Link
Boz00796
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Posted: 7/13/2013 4:03:05 PM
Originally Posted By Rangemaster556:
I got my bbl at my local shop. Just got done with everything but the flash hider. They were out of 5/8th crush washers. Here is a Link

I also found ammo on line at freedom munitions for $.71 a round. Here is a Link


Anybody have any experience with the SOTA barrels in 300BLK?


d16man
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Posted: 7/13/2013 4:14:52 PM
I have a 16" SOTA...no issues. I read up on them as much as possible before I ordered. When it came, I cleaned it out, chamber and all. It was pretty clean compared to other barrels I have seen. GTG as for as I can tell.
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Boz00796
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Posted: 7/13/2013 4:26:13 PM
Originally Posted By d16man:
I have a 16" SOTA...no issues. I read up on them as much as possible before I ordered. When it came, I cleaned it out, chamber and all. It was pretty clean compared to other barrels I have seen. GTG as for as I can tell.


Thank you Sir, I've got a fresh 80% lower done and built waiting for a barrel.
I just finished a friend's build with a 16" CMMG, it seems to shoot my reloads nice, but can't find one in stock anywhere.

Rangemaster556
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Posted: 7/13/2013 6:41:48 PM
Originally Posted By Boz00796:
Originally Posted By Rangemaster556:
I got my bbl at my local shop. Just got done with everything but the flash hider. They were out of 5/8th crush washers. Here is a Link

I also found ammo on line at freedom munitions for $.71 a round. Here is a Link


Anybody have any experience with the SOTA barrels in 300BLK?




It went together with no problem. All the specs look good. The markings on the bbls were poorly done. The laser markings had a shadow it looks like they started marking it and moved it and started again. I am waiting on the ammo to test it. I had some reloads from a friend but the did not feed well. I am currently blaming the reloads.
Rangemaster556
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Posted: 7/16/2013 9:06:56 PM
Just got an email that said the ammo from freedom munitions shipped. Due in Monday. I was hoping for Friday so I could shoot this weekend.
Rangemaster556
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Posted: 7/22/2013 8:51:30 PM
[Jump To Reply]Originally Posted By Rangemaster556:
I got my bbl at my local shop. Just got done with everything but the flash hider. They were out of 5/8th crush washers. Here is a Link

I also found ammo on line at freedom munitions for $.71 a round. Here is a Link



Ammo arrived today. I should have a review of the ammo and the bbl by next week.
SGT69
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Posted: 7/22/2013 11:18:48 PM
[Last Edit: 7/22/2013 11:30:43 PM by SGT69]
[Jump To Reply]

Anybody have any experience with the SOTA barrels in 300BLK?




I've used SOTA barrels in some of my build projects including one in 300BLK. I've also purchased a complete 300BLK upper from them. I like their products and have not experienced any problems. Actually, the 300's have been great shooters.

Here's the 300BLK pistol I built using a 10.5 inch barrel from ALPHA SHOOTING SPORTS



The most important rule in a gunfight is: Always win and cheat if necessary.
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