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Submariner
08-21-06, 22:16
SAW lists the following part:

SP61538 BOLT, STRIPPED (MPC or C)

I was taught that all Colt bolts are marked "MPC". Then I came across a "C" marked bolt when changing extractor springs. It didn't have the "MPC" but I knew it was bought from a reliable vendor as Colt.

Is there any difference between the two bolts other than the lack of "MP"?

Robb Jensen
08-22-06, 08:10
I've seen them marked either way.