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2/28/2010 8:54:34 AM EDT
Seeking information on use of an offset pivot pin to attach standard uppers onto large pin Colt lower.
Proper installation details   Pitfalls?
Any advice to avoid the possibility of damage to upper or lower receiver pivot lugs when installing
    or after installing when pivoting the 2 receivers for field stripping the upper.

Thanks
Son of a Gun
2/28/2010 1:16:28 PM EDT
[#1]
The offset pins work but care must be taken when closing the upper if you feel it binding. On several occasions I have had this experience. Never force the upper closed. Re-align the offset pin so it doesn't bind, then close the upper. This isn't common but can happen. If you force the issue you can ruin the upper or the lower or both.
2/28/2010 1:21:59 PM EDT
[#2]
My experience mirrors the above.  If I had a basic large pin lower right now I would simply trade it for a standard one. The big hole lower I do have is SBR'd so I just purchased a big hole upper from Daniel Defense.
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