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AR15.COM
3/20/2009 7:20:12 PM EDT
How do I know if the barrel is 4150.
3/20/2009 8:25:47 PM EDT
[#1]
destroy it and send the pieces to a lab?

I was wondering the same, I just got mine and all it says is

DSC 5.56 NATO 1-9

I suppose the fact that I got it in under a month means it has to be what Jesse said he had on the shelf.


Edit: oh and welcome to arfcom
3/21/2009 8:44:18 PM EDT
[#2]
Because you paid extra for it.....

Or, look on your invoice, its on there too. I have one, that is the only way I can tell.
3/22/2009 1:41:07 AM EDT
[#3]
I didn't pay anything extra for my 16" 4150 barrel, also no notations on my invoice.
3/23/2009 6:30:13 AM EDT
[#4]
The way that we mark our barrels to differentiate between 4150 & 4140 is if it is marked 1-7 (or 1-9) it is 4140, if it is marked 1x7 then it is 4150.  

Tesla, M-4 barrels have been coming in regularly, and we did not have to upgrade you to get your order out.

Thanks,

Jesse
3/23/2009 10:40:37 AM EDT
[#5]
Quoted:
The way that we mark our barrels to differentiate between 4150 & 4140 is if it is marked 1-7 (or 1-9) it is 4140, if it is marked 1x7 then it is 4150.  

Tesla, M-4 barrels have been coming in regularly, and we did not have to upgrade you to get your order out.

Thanks,

Jesse



ooh cool I was wondering about that..
3/24/2009 2:25:17 PM EDT
[#6]
Are the (BU_16DS4 ) DS-4 barreled uppers 1X7  made with 4150?

And do they have M4 feed ramps?
3/24/2009 2:37:50 PM EDT
[#7]
Quoted:
Are the (BU_16DS4 ) DS-4 barreled uppers 1X7  made with 4150?

And do they have M4 feed ramps?


Did you read the response a couple of posts above?

ETA -
Quoted:
The way that we mark our barrels to differentiate between 4150 & 4140 is if it is marked 1-7 (or 1-9) it is 4140, if it is marked 1x7 then it is 4150.  
3/24/2009 3:51:55 PM EDT
[#8]
Quoted:
Quoted:
Are the (BU_16DS4 ) DS-4 barreled uppers 1X7  made with 4150?

And do they have M4 feed ramps?


Did you read the response a couple of posts above?

ETA -
Quoted:
The way that we mark our barrels to differentiate between 4150 & 4140 is if it is marked 1-7 (or 1-9) it is 4140, if it is marked 1x7 then it is 4150.  


I can't tell what's marked on the barrel on their website so is it just a crap shoot as to what I'll receive? I ordered the DS-4 barreled upper chrome-lined 1X7, but it doesn't state anywhere which it is, I was just wondering if the DS-4 was the upper with the 4150.

Back in February, when I ordered the DS-4 barreled upper, I was told that it had the M4 feed ramps. But yesterday when I got an update from Judy I was told it didn't, so now I don't know what I'm getting. 4140 or 4150 or M4 feed ramps or no M4 feed ramps, since it doesn't specify on the website only what I've been told in conflicting emails.

Figured since this thread was about 4150 barrels I'd check and see if those were the barrels being used on the DS-4 barreled uppers.
3/25/2009 6:18:10 AM EDT
[#9]
The ones listed on the site are 4140, and do not have M4 feed ramps.  We have not offered the 4150 barreled uppers on the site, only 4140's.  If it does not specify, it is standard.  I have not had time to get the site updated since the election.

Thanks,

Jesse
3/25/2009 8:13:03 AM EDT
[#10]
Quoted: The ones listed on the site are 4140, and do not have M4 feed ramps. We have not offered the 4150 barreled uppers on the site, only 4140's. If it does not specify, it is standard. I have not had time to get the site updated since the election. Thanks, Jesse
Well shit!  I believe it was Justin (found the email, it was Nick) that told me that the DS-4 barreled uppers had M4 feed ramps, that's why I went ahead and ordered.  
Now how do I go about getting my order fixed?
3/26/2009 5:32:43 AM EDT
[#11]
Well, we've had some odd barrels showing up with feed ramps lately, including some standard DS-4's, so he may have emailed you on the day those barrels showed up, or he may have been thinking that you were talking about the 4150's.  IM me with your info and I'll look and see what the order is for.

Jesse