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1/25/2018 7:38:29 AM
Posted: 12/31/2005 4:59:28 AM EST
Do ALL USGI M16 (and variants: A1, A2) have the small front hole?

I am thinking of building an A1 or earlier clone, and want to make certain that it will fit my Stag lower.
Link Posted: 12/31/2005 5:48:53 AM EST
[Last Edit: 12/31/2005 5:52:23 AM EST by rjay]
Yes, small pin. I just sold an M16-no suffix- upper that had been refinished black [ that way when I got it, probably GI ]. Most are gray.
Link Posted: 12/31/2005 6:01:23 AM EST
Rjay, thank you.

What about the Colt "SP1" models?

I want to make certain that I get the right thing the first time.
Link Posted: 12/31/2005 6:07:33 AM EST
Link Posted: 12/31/2005 6:19:46 AM EST
what the others said
Link Posted: 12/31/2005 9:30:01 AM EST
You're probably looking at the ads from CDNN, SARCO, etc. selling the M16/M16a1 uppers/kits and also stating they are SP1 kits. I don't know why they do that as these kits are all small hole M16/a1 receivers. They are not large hole commercial receivers. Buy any of these kits and put on a Stag lower. That's what I did. Twice.
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