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[ARCHIVED THREAD] - Early SP1 features

Posted: 11/26/2006 4:05:27 AM EDT

In what serial number range did Colt begin to use chrome bores on the SP1? Also when did Colt begin to use notched forward assist bolt carriers in SP1's.

Thanks

Posted: 11/26/2006 4:23:54 AM EDT

[#1]

Early 70s on both, around 25k or so

[ARCHIVED THREAD] - Early SP1 features

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