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Posted: 12/17/2005 4:04:53 AM EDT
Is there any recovery after filing a portion of the top rails to narrow? Maybe TIG a small extension and grind?

Any help would be appreciated. Its for a romy underfolder

Thanks
Link Posted: 12/17/2005 4:07:22 AM EDT
Too narrow, as in the bolt carrier comes off the rails? Or too narrow as in, not as per the drawing measurements?
Link Posted: 12/17/2005 4:36:03 AM EDT
bolt carrier actually pops out of the rails due to the upward pressure of the hammer.
Link Posted: 12/17/2005 7:42:52 AM EDT
You might be able mig weld a bead on the rails and file it down. Be a B*t*h to get at the undersides though.
A really good welder might be able to tig a very small bead on the edges.

John
Link Posted: 12/17/2005 2:13:58 PM EDT
I may have filed a little too much off the upper rails also! The bolt carrier does not "pop out" but there is noticible side to side play. How much side to side play is acceptable?
Link Posted: 12/17/2005 2:42:42 PM EDT
If the distance is slight, you could try to put a slighter shorter crossmember in and pull the sides closer together.
Link Posted: 12/17/2005 2:48:59 PM EDT
Ah Ha! That's an excellent idea Rev.! I'll give it a try! Thanks!
Link Posted: 12/17/2005 3:37:44 PM EDT
If the bolt carrier comes out when you retract it all the way the simple fix for that is to install a buffer, I had that same problem on my AMD65 build and the buffer fixed it. McM
Link Posted: 12/18/2005 4:27:47 PM EDT
motorcityman

could you explain more about the "buffer"

thanks
Link Posted: 12/19/2005 5:53:23 AM EDT

Originally Posted By RevJimJones:
If the distance is slight, you could try to put a slighter shorter crossmember in and pull the sides closer together.



That's exactly how I fixed one of my screwed ups a while back. The rifle functions flawlessly.
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