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Posted: 2/9/2002 9:17:07 PM EDT
I just got an SP1 and was looking at the bolt carrier. Unfortunately I don't have picture capability but I'll do my best to describe... It looks like a cross between an M16 and an AR one. At the back, intstead of going 3/4 of the way around like an AR, it goes all the way around, like an M16 one. However, on the M16 ones I've seen, it is a full circle for almost two inches. On mine, it is a full circle for only about a half inch. What's up with that? Which (AR or M16) is it and why is short like that?
Link Posted: 2/9/2002 10:28:21 PM EDT
sounds like a noncolt ar to me, any other advise??
Link Posted: 2/9/2002 10:34:19 PM EDT
Link Posted: 2/9/2002 10:35:32 PM EDT
It could very well be a Colt. If it does not have the notches in the right side for the forward assist, then it is the proper SP1 bolt carrier.

I beleive all green label Colt guns had full circle carriers. An SP1 is a green label.
Link Posted: 2/9/2002 10:44:33 PM EDT
Ok. I see it on the biggerhammer.net page. Thanks Troy. So it's a "later" SP1 bolt. It does have the bolt assist notches. Makes sense as the gun was made in the early eighties. I guess it's one of those inbetween things they did for a while.
Link Posted: 2/11/2002 11:00:16 PM EDT
Colt, you got to love'um for all the things they do.
Link Posted: 2/11/2002 11:42:05 PM EDT
I've got an all original SP-1 mfg'd in '78-79. The carrier is as you described...
It also has a "C" stamped on the LH side of the carrier...


Just my 2 cents...
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