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AR15.COM
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9/21/2012 5:40:58 AM EDT
Just got the Dark Earth Magpul 870 Forearm. As you can see from the comparision pic it seems too long. The gun will not go into battery when the barrel retaining nut is tight. The Magpul is about three threads longer than factory. Magpul was seated fully to the rear. In the pic you can see the lack of white power where the Magpul ended and were the factory now is.

Anyone elase with similar issues? Ill email Magpul and see what they say. Im sure I can dremmel it but dont want to mess it up.

9/21/2012 9:18:39 AM EDT
[#1]
Well, I got it running. I loosened the barrel retaining nut up one click and it seems to be working fine. Two clicks and the barrel is too loose. One click tighter and it wont go into battery. So I run it with one click back and see how it goes. Surprised it is that touchy. I could sand alittle down in the forearm but Ill see how things go now.

BTW- Magpul emiled me back in minutes.
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