AR-556 Delta Ring

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Ruger Nut

Single-Sixer
Joined
Jul 11, 2004
Messages
132
Has anyone converted their AR-556 screw on delta ring to a regular delta ring assembly? If so, can you give details and which assembly you chose? Also, pics would be nice as well.
 

9x19

Hunter
Joined
Dec 1, 1999
Messages
2,558
Location
Texas
I haven't done it, but I am curious why you want to?

Is there something significant to be gained?

I ask because it is not a simple task. You'll need a good armorer's wrench and torque wrench to remove/reinstall the barrel nut, and an upper receiver vise block to hold the receiver while torquing. Of course that's after using a good hammer/punch set to remove the front sight base and gas tube.

None of that is difficult, but to me it does seem like a lot to go through for very little gain, which is why I asked.

Good luck.
 

Ruger Nut

Single-Sixer
Joined
Jul 11, 2004
Messages
132
9x19 said:
I haven't done it, but I am curious why you want to?

Is there something significant to be gained?

I ask because it is not a simple task. You'll need a good armorer's wrench and torque wrench to remove/reinstall the barrel nut, and an upper receiver vise block to hold the receiver while torquing. Of course that's after using a good hammer/punch set to remove the front sight base and gas tube.

None of that is difficult, but to me it does seem like a lot to go through for very little gain, which is why I asked.

Good luck.
I have all of the tools you mentioned. I have built 3 AR-15's and bought the AR-556 because I like it.
I was doing some research on the MPR and came across articles and videos of people trying to remove the AR-556 delta ring nut. They were having to cut it off because they couldn't get it to budge. That's why I asked my original Q? about removing it. I wanted to know why people were having such a hard time removing it. Torque specs. on a delta ring barrel nut is 30-80 ft. lbs. It sounds like Ruger has exceeded 80 ft. lbs.
 

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