1972 colt SP1

[Bill Hollinger]

Edgewater buffer


As for the BCG, speculation is all we have at this point. SP1s of the early 1970s have been seen with serrated (forward assist) notches and without, chrome bolts and without. I'd like to see what the OP has.

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[browningautorifle]

Edgewater buffer

Right, that's the one. Is this the one responsible for bolt bounce on F/A with the early military guns?