AR Five Seven Barrel Change?

retrodog · Post by **retrodog** » 21 Apr 2011, 13:07

I originally bought an 11" upper for my SBR. It works great but I wanted to correct the length to add a tri-lug for a suppressor, so I got a 12" barrel from the company. Both barrels hav the nut end just behind the threading. What are the steps for switching out the barrels?

Website · Post by **jgreenberg01** » 21 Apr 2011, 15:10

According to AR57center, it's held in place with red loctite and all you need to do is apply heat and torque. I couldn't do it, now it's at my gunsmith and they are struggling with it. I'm hoping that they will get it done this week, and I'll let you know what they say it required...

Website · Post by **jgreenberg01** » 25 Apr 2011, 13:04

Finally heard back from the gunsmith. He said that it required quite a bit more heat than he expected and that a strap wrench was useless. He actually had to use a breaker bar to get the old barrel off.

I don't know if anyone else had a similar experience, but it sounds like these barrels can be challenging at best...

retrodog · Post by **retrodog** » 28 Apr 2011, 09:49

Well that's just great. I'm back from vacation and will have to figure out what I'm going to do about it. Sounds like it would have been better to just sell the 11" upper for a slight loss and then buy a 12" version.

swenk · Post by **swenk** » 11 May 2011, 14:10

I posted this same question here a couple months ago, for the same issue. I had an 11" upper but didn't have enough thread for my suppressor.
I ended up buying a used 12" upper at a decent price here, and just sold my 11". From the replies I got it just seemed like too much hassle to change the barrel, the design is not nearly as friendly as an AR15 upper for a barrel change.

I8asquirrel · Post by **I8asquirrel** » 11 May 2011, 17:49

My gunsmith did it....the company said the barrel was threaded 5/8"x24 but the barrel was 5/8"x18 when he removed it,,, :thumb:

Post by **Rapier1772** » 11 May 2011, 18:01

How do you always end up with double image tags I8?

If you copy the code for forums & paste it here, you do not need to enclose it in another set of image [img] tags, The copied code has them included.

Website · Post by **jgreenberg01** » 13 May 2011, 17:05

My gunsmith changed the barrel and I finally got my tax stamps for the SBR and suppressor. Yes, I am a total geek because I am a huge BSG fan, however... This is my rifle. There are many others (not) like it, but this one is mine!

I'll post a full review (video of course) in the NFA forum within a week, right after I shoot it.

Post by **panzermk2** » 13 May 2011, 19:20

When you turn your sight one does it make the WaWaWaWa sound?

Post by **blueorison** » 13 May 2011, 21:00

LOL^

Greenberg you gotta take a vid of you blasting that so I can get a good laugh

Make sure to make sound effects as you do, please.

That's a sleek rifle, sir.

Website · Post by **jgreenberg01** » 14 May 2011, 04:36

panzermk2 wrote:When you turn your sight one does it make the WaWaWaWa sound?

No, but it does transform into this:

And when I take the safety off it moves into super-secret weapon mode (pic in the T&A thread):
viewtopic.php?f=44&t=10623&p=159161#p159161

Yeah, it's a cool rifle...

blueorison wrote:LOL^

Greenberg you gotta take a vid of you blasting that so I can get a good laugh

Make sure to make sound effects as you do, please.

That's a sleek rifle, sir.

Blue, I will do that just for you :lmao: (seriously... I really will!)

Post by **panzermk2** » 14 May 2011, 18:30

Nice back lit camel toe.

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