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McGowen introducing ECM rifled barrels...

You can get them in certain calibers now from Carbon Six. I’ve shot them at the range. Three of the guys in our group shot ECM Carbon Six barrels at the NF Challenge.

I’ve got a 6.5PRC ECM barrel on order from Carbon Six.

carbon six = mcgowen steel blank

just in case anyone is unaware

At shot show they said they were doing 6.5mm only, but will expand to the entire line up by end of this year
 
You can get them in certain calibers now from Carbon Six. I’ve shot them at the range. Three of the guys in our group shot ECM Carbon Six barrels at the NF Challenge.

I’ve got a 6.5PRC ECM barrel on order from Carbon Six.
How did their rifles shoot? All the C6 blanks I looked into that were 2-4 years old, looked like shit, but shot pretty well. Didn't appear they put much work into lapping out the tooling marks.
 
How did their rifles shoot? All the C6 blanks I looked into that were 2-4 years old, looked like shit, but shot pretty well. Didn't appear they put much work into lapping out the tooling marks.
They shot pretty well for shooting 6.5PRC in those conditions and being first time competitors. I’m a member and friends with the guy from Roaming Shot range here and all of his custom rifle builds use Carbon Six barrels. He used their barrel in Alaska when we shot the NRL course, just took a 300 PRC to an ELR Pro-Am (Not ECM if I remember correctly), but I haven’t seen any issues with them. I’ve never borescoped one to look at it, but I plan to when my barrel is ready.
 
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I bought a C6 barrel from a member here, chambered in 6.5PRC. It’s a hammer. I don’t believe it was ECM. Loved it so much that I ordered another one 2ish weeks ago. He told me at the time of my order that I’d be getting the ECM barrel. Fixin to screw it on a Zermatt Origin and shoot the hell out of it. I’ll do a 100 shot review after each 100 shots with updates on accuracy and barrel wear.
 
I've had a pile of them. For remage setups they're a great deal.

They've never screwed up a barrel and every one has been a shooter.

Proof started their reputation on their blanks, now carbon six is using them.

But people love to shit on them for some reason.
Because at times their chambering or threading looks like it was done by a rabid beaver.
 
Being 100% honest... I was completely unfamiliar with this method until going through this thread. I did a little reading about the process. I am mainly curious if this is just a cool new way of doing things or if its an actual game changer in any way. How much more performance can you get if your already shooting 1/2 - 1/4 with cut rifling from a top tier manufacturer in a PRS application?
 
I was told it not really an accuracy thing

more of a consistency thing.
since you dont need to worry as much about tool wear

more or less like milling vs EDM

hopefully it allows them to offer more twist rates and rifling options
 
I've had a pile of them. For remage setups they're a great deal.

They've never screwed up a barrel and every one has been a shooter.

Proof started their reputation on their blanks, now carbon six is using them.

But people love to shit on them for some reason.
I would like to see a picture of some of their threads. I have 2 McGowan remage barrels that look like this and they were replacements for a third. None shoot, all threads have been well undersized and extremely sloppy fitting. So when I hear they never miss I want to see proof. I just saw one for sale in PX a couple months ago with the same terrible threads.

My ar 15 barrel of theirs points about 5 mils left and 5 mils low from my other ar 15s. I had to remove the barrel extention locating pin and grind it down so a barrel nut would fit over it. It shoots at least though.
 

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