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Posted: 11/19/2002 6:09:45 PM EDT
Guys, I bought a pre-ban Colt Sporter rifle, lower is stamped 9mm, has the raised fence, sear block and the three holes in the magazine well. It also has a large front pivot pin - someone told me it has been drilled out. How can I tell? Is there such a thing as a Sporter raised fence with a large hole? Is there a Colt 9mm upper out there with a large hole?
Thanks, I'm trying to decide what to do with this.
Link Posted: 11/20/2002 9:00:56 AM EDT
You bought it as a complete lower only? Was the blocks installed in the mag well? The holes in the mag well are/were to hold factory installed blocks convert the 223 to 9mm. If the mag well will accept a 223 mag, then someone took out the 9mm blocks.

I can't say about the large hole pivot pin. I'm not well versed on the small hole/large hold thing. It's possible. But using one of those hole/offset adapter will solve any problems of putting a small hole upper on it.
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